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118 vulnerabilities by wazuh
CVE-2026-74046 (GCVE-0-2026-74046)
Vulnerability from nvd – Published: 2026-08-18 17:27 – Updated: 2026-08-18 19:27
VLAI
EPSS
VEX
Title
Wazuh 4.4.0 < 4.14.7 DoS via fdecompress_files() Zip Bomb
Summary
Wazuh 4.4.0 before 4.14.7 contains a denial of service vulnerability in the fdecompress_files() function within cluster.py that allows authenticated cluster peers to exhaust memory by supplying a malicious synchronization archive without decompressed size limits. Attackers holding a valid cluster Fernet key can upload a small, highly compressed zip bomb archive that forces wazuh-clusterd on the master node to decompress the full payload into memory, causing memory exhaustion and service disruption.
Severity
4.9 (Medium)
SSVC
Exploitation: poc
Automatable: no
Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-08-18 19:26 UTC
CWE
- CWE-409 - Improper Handling of Highly Compressed Data (Data Amplification)
Assigner
References
3 references
| URL | Tags |
|---|---|
| https://github.com/wazuh/wazuh/security/advisorie… | vendor-advisory |
| https://github.com/wazuh/wazuh/pull/37119 | patch |
| https://www.vulncheck.com/advisories/wazuh-dos-vi… | third-party-advisory |
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| Wazuh | wazuh-manager |
Affected:
4.4.0 , < 4.14.7
(semver)
|
Date Public
2026-08-18 00:00
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CVE-2026-74044 (GCVE-0-2026-74044)
Vulnerability from nvd – Published: 2026-08-18 17:26 – Updated: 2026-08-18 17:26
VLAI
EPSS
VEX
Title
Wazuh 4.0.0 < 4.14.6 Path Traversal Arbitrary Directory Deletion via Cluster Hello
Summary
Wazuh 4.0.0 before 4.14.6 contains a path traversal vulnerability that allows authenticated cluster peers to delete arbitrary directory contents by supplying a traversal-shaped node name in the cluster hello payload without validation. Attackers holding a valid cluster Fernet key can craft a malicious node name and disconnect, triggering the master's peer cleanup routine to remove the contents of arbitrary directories within the Wazuh installation path writable by the wazuh user.
Severity
CWE
- CWE-22 - Improper Limitation of a Pathname to a Restricted Directory ('Path Traversal')
Assigner
References
3 references
| URL | Tags |
|---|---|
| https://github.com/wazuh/wazuh/security/advisorie… | vendor-advisory |
| https://github.com/wazuh/wazuh/pull/36460 | patch |
| https://www.vulncheck.com/advisories/wazuh-path-t… | third-party-advisory |
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| Wazuh | wazuh-manager |
Affected:
4.0.0 , < 4.14.6
(semver)
|
Date Public
2026-08-18 00:00
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CVE-2026-74039 (GCVE-0-2026-74039)
Vulnerability from nvd – Published: 2026-08-18 17:26 – Updated: 2026-08-18 18:45
VLAI
EPSS
VEX
Title
Wazuh 4.0.0 < 4.14.7 API DoS via Deeply Nested JSON auth_context
Summary
Wazuh 4.0.0 before 4.14.7 and 5.0.0-beta2 contain a denial of service vulnerability that allows authenticated attackers with allow_run_as enabled to exhaust CPU resources by submitting arbitrarily deeply nested JSON structures to the POST /security/user/authenticate/run_as endpoint. Attackers can repeatedly submit malformed auth_context bodies with unlimited nesting depth to cause the API framework to consume excessive CPU, denying service to all other API consumers.
Severity
SSVC
Exploitation: poc
Automatable: no
Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-08-18 18:45 UTC
CWE
Assigner
References
3 references
| URL | Tags |
|---|---|
| https://github.com/wazuh/wazuh/security/advisorie… | vendor-advisory |
| https://github.com/wazuh/wazuh/pull/37034 | patch |
| https://www.vulncheck.com/advisories/wazuh-api-do… | third-party-advisory |
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| Wazuh | wazuh-manager |
Affected:
4.0.0 , < 4.14.7
(semver)
Affected: 5.0.0-beta2 (semver) |
Date Public
2026-08-18 00:00
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CVE-2026-74038 (GCVE-0-2026-74038)
Vulnerability from nvd – Published: 2026-08-18 17:25 – Updated: 2026-08-18 17:25 X_Open Source
VLAI
EPSS
VEX
Title
Wazuh 4.0.0 < 4.14.6 Path Traversal DoS via Agent Enrollment
Summary
Wazuh 4.0.0 before 4.14.6 contains a path traversal vulnerability that allows unauthenticated remote attackers to cause denial of service by enrolling an agent with a dot-sequence name such as ".." through the enrollment port. Attackers exploit insufficient validation in OS_IsValidName() and unsafe path concatenation in delete_diff() to resolve the traversal to the parent queue directory, causing its subdirectories to be removed and stopping all Wazuh services requiring manual recovery.
Severity
CWE
- CWE-22 - Improper Limitation of a Pathname to a Restricted Directory ('Path Traversal')
Assigner
References
3 references
| URL | Tags |
|---|---|
| https://github.com/wazuh/wazuh/security/advisorie… | vendor-advisory |
| https://github.com/wazuh/wazuh/pull/35833 | patch |
| https://www.vulncheck.com/advisories/wazuh-path-t… | third-party-advisory |
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| Wazuh | wazuh-manager |
Affected:
4.0.0 , < 4.14.6
(semver)
|
Date Public
2026-08-18 00:00
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CVE-2026-67308 (GCVE-0-2026-67308)
Vulnerability from nvd – Published: 2026-08-01 12:22 – Updated: 2026-08-03 19:35
VLAI
EPSS
VEX
Title
Wazuh GitHub Actions Shell Injection via Fork Pull Request
Summary
Wazuh workflows before 44bf114 contain a shell injection vulnerability in GitHub Actions that allows attackers to execute arbitrary commands by submitting pull requests with crafted VERSION.json files. Attackers can inject shell metacharacters into environment variables that are directly interpolated into run steps, enabling command execution and exfiltration of secrets including GITHUB_TOKEN and AWS credentials on self-hosted runners.
Severity
SSVC
Exploitation: poc
Automatable: yes
Technical Impact: total
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-08-03 19:35 UTC
CWE
- CWE-78 - Improper Neutralization of Special Elements used in an OS Command ('OS Command Injection')
Assigner
References
2 references
| URL | Tags |
|---|---|
| https://github.com/wazuh/wazuh/security/advisorie… | vendor-advisory |
| https://www.vulncheck.com/advisories/wazuh-github… | third-party-advisory |
Impacted products
Date Public
2026-07-16 00:00
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CVE-2026-67307 (GCVE-0-2026-67307)
Vulnerability from nvd – Published: 2026-08-01 12:22 – Updated: 2026-08-03 18:35
VLAI
EPSS
VEX
Title
Wazuh before 5.0.0-beta3 Cluster Attribution Spoofing via Inventory Sync
Summary
Wazuh 5.0.0-beta1 (fixed in 5.0.0-beta3) does not validate or override the cluster_name and cluster_node fields in inventory-sync Start FlatBuffer messages, while validating only the agentid against the authenticated agent identity. This allows a low-privileged enrolled agent to spoof cluster attribution in indexed inventory and vulnerability documents by forging wazuh.cluster.name values and influencing the document _id prefix, potentially tampering with inventory records or, in shared-indexer multi-cluster deployments, poisoning another cluster's records when numeric agent IDs collide.
Severity
SSVC
Exploitation: none
Automatable: no
Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-08-03 18:35 UTC
CWE
- CWE-345 - Insufficient Verification of Data Authenticity
Assigner
References
3 references
| URL | Tags |
|---|---|
| https://github.com/wazuh/wazuh/security/advisorie… | vendor-advisory |
| https://github.com/wazuh/wazuh/commit/b3dae02ec9d… | patch |
| https://www.vulncheck.com/advisories/wazuh-before… | third-party-advisory |
Impacted products
Date Public
2026-07-16 00:00
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CVE-2026-28220 (GCVE-0-2026-28220)
Vulnerability from nvd – Published: 2026-07-20 15:26 – Updated: 2026-07-20 17:30
VLAI
EPSS
VEX
Title
Wazuh cluster DAPI arbitrary callable deserialization and RBAC context injection allow a cluster peer to execute privileged functions on the master node
Summary
Wazuh is a free and open source platform used for threat prevention, detection, and response. Prior to version 4.14.5, issues in the Cluster Distributed API (DAPI) handling allow a cluster peer, or any actor able to authenticate to the cluster channel using the shared cluster key, to make the master node deserialize an attacker-controlled callable and execute it under an attacker-controlled RBAC context. The cluster code in `framework/wazuh/core/cluster/common.py` deserializes JSON with `as_wazuh_object()`, which resolves any callable whose top-level package is wazuh or api (an overly broad allowlist controlled only by `ALLOWED_CALLABLES_PACKAGES`), and DAPI requests handled in framework/wazuh/core/cluster/dapi/dapi.py accept a client-supplied rbac_permissions value that `run_local()` applies as the global RBAC context, so supplying an rbac_mode of black causes authorization checks for expose_resources-protected functions to pass without any legitimate permission assignment. Combined, these allow privileged administrative actions on the master node such as arbitrary file writes under WAZUH_PATH, creation of new API users, and tampering with security.yaml, and can be chained into full manager compromise. This issue has been fixed in version 4.14.5.
Severity
8.4 (High)
SSVC
Exploitation: poc
Automatable: no
Technical Impact: total
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-07-20 17:30 UTC
CWE
- CWE-502 - Deserialization of Untrusted Data
Assigner
References
1 reference
| URL | Tags |
|---|---|
| https://github.com/wazuh/wazuh/security/advisorie… | x_refsource_CONFIRM |
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CVE-2026-44251 (GCVE-0-2026-44251)
Vulnerability from nvd – Published: 2026-07-17 00:01 – Updated: 2026-07-17 18:06
VLAI
EPSS
VEX
Title
Wazuh : size_t underflow in msgs.c ReadSecMSG causes wazuh-remoted DoS and potential heap overflow via crafted agent message
Summary
Wazuh is a free and open source platform used for threat prevention, detection, and response. In versions 3.0.0 and above, prior to 4.14.5, a size_t integer underflow in os_crypto/shared/msgs.c:389 allows any enrolled Wazuh agent to crash the wazuh-remoted process on the manager, immediately disconnecting all agents from the manager. A second code path reached by the same underflow may allow heap memory corruption. This issue has been fixed in version 4.14.5.
Severity
6.5 (Medium)
SSVC
Exploitation: poc
Automatable: no
Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-07-17 17:33 UTC
Assigner
References
1 reference
| URL | Tags |
|---|---|
| https://github.com/wazuh/wazuh/security/advisorie… | x_refsource_CONFIRM |
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CVE-2026-40106 (GCVE-0-2026-40106)
Vulnerability from nvd – Published: 2026-07-16 23:57 – Updated: 2026-07-17 14:31
VLAI
EPSS
VEX
Title
Wazuh: Heap-based Buffer Overflow in syscheck Registry Wildcard Expansion (LPE / DoS)
Summary
Wazuh is a free and open source platform used for threat prevention, detection, and response. Versions 4.6.0 and above prior to 4.14.5 contain a heap-based buffer overflow vulnerability in the syscheck component of the Wazuh agent for Windows. When expanding registry paths containing wildcards (* or ?), the agent allocates a fixed-size heap buffer of 256 bytes (OS_SIZE_256). By creating a registry subkey with a maximum allowed length (255 characters) inside a monitored path, a low-privileged local attacker can force an out-of-bounds write during string concatenation. Since wazuh-agent.exe runs as NT AUTHORITY\SYSTEM, this can lead to a silent Denial of Service (blinding the agent) or potentially Local Privilege Escalation (LPE). This issue has been fixed in version 4.14.5.
Severity
4.7 (Medium)
SSVC
Exploitation: poc
Automatable: no
Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-07-17 14:31 UTC
CWE
- CWE-122 - Heap-based Buffer Overflow
Assigner
References
1 reference
| URL | Tags |
|---|---|
| https://github.com/wazuh/wazuh/security/advisorie… | x_refsource_CONFIRM |
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CVE-2026-39359 (GCVE-0-2026-39359)
Vulnerability from nvd – Published: 2026-07-16 23:55 – Updated: 2026-07-17 13:53
VLAI
EPSS
VEX
Title
Wazuh: Unauthenticated Path Traversal in authd via Agent Group Name
Summary
Wazuh is a free and open source platform used for threat prevention, detection, and response. In versions 4.0.0 through 4.10.3 and 4.11.0 through 4.14.4, a logic flaw affects the Wazuh Manager's enrollment daemon (authd) and synchronization daemon (remoted). The authd process allows agents to select a group during enrollment but does not filter path traversal sequences such as "..." While the manager checks for the group directory using wopendir(), the ".." sequence references the parent directory (/var/ossec/etc), allowing it to pass validation. After the malicious group is accepted and stored in the manager's global database, the remoted process uses this unchecked value to build paths for agent configuration synchronization. As a result, sensitive files from /var/ossec/etc, such as client.keys, ossec.conf, and internal certificates, are included in the agent's shared configuration stream and exposed to the attacker. This issue has been fixed in versions 4.10.4 and 4.14.5.
Severity
7.5 (High)
SSVC
Exploitation: poc
Automatable: yes
Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-07-17 13:53 UTC
CWE
- CWE-22 - Improper Limitation of a Pathname to a Restricted Directory ('Path Traversal')
Assigner
References
1 reference
| URL | Tags |
|---|---|
| https://github.com/wazuh/wazuh/security/advisorie… | x_refsource_CONFIRM |
Impacted products
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CVE-2026-34150 (GCVE-0-2026-34150)
Vulnerability from nvd – Published: 2026-07-16 23:44 – Updated: 2026-07-17 10:48
VLAI
EPSS
VEX
Title
Wazuh: Heap buffer overflow in wazuh-analysisd via rootcheck event parsing
Summary
Wazuh is a free and open source platform used for threat prevention, detection, and response. In versions 1.0.0 and above, prior to 4.14.5, a heap buffer overflow in wazuh-analysisd allows an unauthenticated remote attacker to crash the Wazuh manager's analysis engine, causing complete loss of SIEM alert processing. The attack exploits the default configuration shipped in the official wazuh/wazuh-docker deployment with default configuration. An attacker can enroll with authd without a password to obtain a valid agent ID and encryption key, connect to remoted over the Wazuh agent protocol, and inject rootcheck events containing {key: value} patterns longer than 30 bytes that trigger a sprintf overflow of a 30-byte buffer in W_JSON_ParseRootcheck, corrupting the heap and crashing wazuh-analysisd so that all alert processing silently stops while the dashboard and API keep showing stale data.
Severity
7.5 (High)
SSVC
Exploitation: poc
Automatable: yes
Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-07-17 10:46 UTC
CWE
- CWE-122 - Heap-based Buffer Overflow
Assigner
References
1 reference
| URL | Tags |
|---|---|
| https://github.com/wazuh/wazuh/security/advisorie… | x_refsource_CONFIRM |
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CVE-2026-33754 (GCVE-0-2026-33754)
Vulnerability from nvd – Published: 2026-07-16 23:40 – Updated: 2026-07-17 12:16
VLAI
EPSS
VEX
Title
Wazuh: Unauthenticated cluster packet length leads to uncontrolled memory allocation (remote DoS)
Summary
Wazuh is a free and open source platform used for threat prevention, detection, and response. In versions 3.9.0 and above, prior to 4.14.5, a remote attacker can trigger memory exhaustion in the cluster protocol parser by sending a crafted message header with an arbitrarily large payload length. The length is trusted before authentication/decryption and used directly to allocate memory, allowing unauthenticated denial of service of the cluster service. This issue has been fixed in version 4.14.5.
Severity
6.5 (Medium)
SSVC
Exploitation: poc
Automatable: no
Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-07-17 12:16 UTC
CWE
- CWE-400 - Uncontrolled Resource Consumption
Assigner
References
1 reference
| URL | Tags |
|---|---|
| https://github.com/wazuh/wazuh/security/advisorie… | x_refsource_CONFIRM |
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CVE-2026-33434 (GCVE-0-2026-33434)
Vulnerability from nvd – Published: 2026-07-16 23:36 – Updated: 2026-07-18 03:22
VLAI
EPSS
VEX
Title
Wazuh: Rate Limit Bypass via /events Endpoint
Summary
Wazuh is a free and open source platform used for threat prevention, detection, and response. In versions 4.6.0 and above, prior to 4.14.5, a logic error in CheckRateLimitsMiddleware.dispatch() causes the /events endpoint rate check to unconditionally overwrite the general rate limit result. When the global max_request_per_minute is exceeded, requests to /events still succeed if the events-specific counter (hardcoded 30/min) has not been reached. This allows event injection into analysisd beyond the admin-configured global rate limit. This issue has been fixed in version 4.14.5.
Severity
4.3 (Medium)
SSVC
Exploitation: none
Automatable: no
Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-07-18 03:21 UTC
CWE
- CWE-799 - Improper Control of Interaction Frequency
Assigner
References
1 reference
| URL | Tags |
|---|---|
| https://github.com/wazuh/wazuh/security/advisorie… | x_refsource_CONFIRM |
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CVE-2026-56699 (GCVE-0-2026-56699)
Vulnerability from nvd – Published: 2026-07-15 11:25 – Updated: 2026-08-06 16:42
VLAI
EPSS
VEX
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CVE-2026-56401 (GCVE-0-2026-56401)
Vulnerability from nvd – Published: 2026-07-08 13:49 – Updated: 2026-07-15 11:42
VLAI
EPSS
VEX
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CVE-2026-74046 (GCVE-0-2026-74046)
Vulnerability from cvelistv5 – Published: 2026-08-18 17:27 – Updated: 2026-08-18 19:27
VLAI
EPSS
VEX
Title
Wazuh 4.4.0 < 4.14.7 DoS via fdecompress_files() Zip Bomb
Summary
Wazuh 4.4.0 before 4.14.7 contains a denial of service vulnerability in the fdecompress_files() function within cluster.py that allows authenticated cluster peers to exhaust memory by supplying a malicious synchronization archive without decompressed size limits. Attackers holding a valid cluster Fernet key can upload a small, highly compressed zip bomb archive that forces wazuh-clusterd on the master node to decompress the full payload into memory, causing memory exhaustion and service disruption.
Severity
4.9 (Medium)
SSVC
Exploitation: poc
Automatable: no
Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-08-18 19:26 UTC
CWE
- CWE-409 - Improper Handling of Highly Compressed Data (Data Amplification)
Assigner
References
3 references
| URL | Tags |
|---|---|
| https://github.com/wazuh/wazuh/security/advisorie… | vendor-advisory |
| https://github.com/wazuh/wazuh/pull/37119 | patch |
| https://www.vulncheck.com/advisories/wazuh-dos-vi… | third-party-advisory |
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| Wazuh | wazuh-manager |
Affected:
4.4.0 , < 4.14.7
(semver)
|
Date Public
2026-08-18 00:00
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CVE-2026-74044 (GCVE-0-2026-74044)
Vulnerability from cvelistv5 – Published: 2026-08-18 17:26 – Updated: 2026-08-18 17:26
VLAI
EPSS
VEX
Title
Wazuh 4.0.0 < 4.14.6 Path Traversal Arbitrary Directory Deletion via Cluster Hello
Summary
Wazuh 4.0.0 before 4.14.6 contains a path traversal vulnerability that allows authenticated cluster peers to delete arbitrary directory contents by supplying a traversal-shaped node name in the cluster hello payload without validation. Attackers holding a valid cluster Fernet key can craft a malicious node name and disconnect, triggering the master's peer cleanup routine to remove the contents of arbitrary directories within the Wazuh installation path writable by the wazuh user.
Severity
CWE
- CWE-22 - Improper Limitation of a Pathname to a Restricted Directory ('Path Traversal')
Assigner
References
3 references
| URL | Tags |
|---|---|
| https://github.com/wazuh/wazuh/security/advisorie… | vendor-advisory |
| https://github.com/wazuh/wazuh/pull/36460 | patch |
| https://www.vulncheck.com/advisories/wazuh-path-t… | third-party-advisory |
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| Wazuh | wazuh-manager |
Affected:
4.0.0 , < 4.14.6
(semver)
|
Date Public
2026-08-18 00:00
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CVE-2026-74039 (GCVE-0-2026-74039)
Vulnerability from cvelistv5 – Published: 2026-08-18 17:26 – Updated: 2026-08-18 18:45
VLAI
EPSS
VEX
Title
Wazuh 4.0.0 < 4.14.7 API DoS via Deeply Nested JSON auth_context
Summary
Wazuh 4.0.0 before 4.14.7 and 5.0.0-beta2 contain a denial of service vulnerability that allows authenticated attackers with allow_run_as enabled to exhaust CPU resources by submitting arbitrarily deeply nested JSON structures to the POST /security/user/authenticate/run_as endpoint. Attackers can repeatedly submit malformed auth_context bodies with unlimited nesting depth to cause the API framework to consume excessive CPU, denying service to all other API consumers.
Severity
SSVC
Exploitation: poc
Automatable: no
Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-08-18 18:45 UTC
CWE
Assigner
References
3 references
| URL | Tags |
|---|---|
| https://github.com/wazuh/wazuh/security/advisorie… | vendor-advisory |
| https://github.com/wazuh/wazuh/pull/37034 | patch |
| https://www.vulncheck.com/advisories/wazuh-api-do… | third-party-advisory |
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| Wazuh | wazuh-manager |
Affected:
4.0.0 , < 4.14.7
(semver)
Affected: 5.0.0-beta2 (semver) |
Date Public
2026-08-18 00:00
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CVE-2026-74038 (GCVE-0-2026-74038)
Vulnerability from cvelistv5 – Published: 2026-08-18 17:25 – Updated: 2026-08-18 17:25 X_Open Source
VLAI
EPSS
VEX
Title
Wazuh 4.0.0 < 4.14.6 Path Traversal DoS via Agent Enrollment
Summary
Wazuh 4.0.0 before 4.14.6 contains a path traversal vulnerability that allows unauthenticated remote attackers to cause denial of service by enrolling an agent with a dot-sequence name such as ".." through the enrollment port. Attackers exploit insufficient validation in OS_IsValidName() and unsafe path concatenation in delete_diff() to resolve the traversal to the parent queue directory, causing its subdirectories to be removed and stopping all Wazuh services requiring manual recovery.
Severity
CWE
- CWE-22 - Improper Limitation of a Pathname to a Restricted Directory ('Path Traversal')
Assigner
References
3 references
| URL | Tags |
|---|---|
| https://github.com/wazuh/wazuh/security/advisorie… | vendor-advisory |
| https://github.com/wazuh/wazuh/pull/35833 | patch |
| https://www.vulncheck.com/advisories/wazuh-path-t… | third-party-advisory |
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| Wazuh | wazuh-manager |
Affected:
4.0.0 , < 4.14.6
(semver)
|
Date Public
2026-08-18 00:00
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CVE-2026-67307 (GCVE-0-2026-67307)
Vulnerability from cvelistv5 – Published: 2026-08-01 12:22 – Updated: 2026-08-03 18:35
VLAI
EPSS
VEX
Title
Wazuh before 5.0.0-beta3 Cluster Attribution Spoofing via Inventory Sync
Summary
Wazuh 5.0.0-beta1 (fixed in 5.0.0-beta3) does not validate or override the cluster_name and cluster_node fields in inventory-sync Start FlatBuffer messages, while validating only the agentid against the authenticated agent identity. This allows a low-privileged enrolled agent to spoof cluster attribution in indexed inventory and vulnerability documents by forging wazuh.cluster.name values and influencing the document _id prefix, potentially tampering with inventory records or, in shared-indexer multi-cluster deployments, poisoning another cluster's records when numeric agent IDs collide.
Severity
SSVC
Exploitation: none
Automatable: no
Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-08-03 18:35 UTC
CWE
- CWE-345 - Insufficient Verification of Data Authenticity
Assigner
References
3 references
| URL | Tags |
|---|---|
| https://github.com/wazuh/wazuh/security/advisorie… | vendor-advisory |
| https://github.com/wazuh/wazuh/commit/b3dae02ec9d… | patch |
| https://www.vulncheck.com/advisories/wazuh-before… | third-party-advisory |
Impacted products
Date Public
2026-07-16 00:00
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CVE-2026-67308 (GCVE-0-2026-67308)
Vulnerability from cvelistv5 – Published: 2026-08-01 12:22 – Updated: 2026-08-03 19:35
VLAI
EPSS
VEX
Title
Wazuh GitHub Actions Shell Injection via Fork Pull Request
Summary
Wazuh workflows before 44bf114 contain a shell injection vulnerability in GitHub Actions that allows attackers to execute arbitrary commands by submitting pull requests with crafted VERSION.json files. Attackers can inject shell metacharacters into environment variables that are directly interpolated into run steps, enabling command execution and exfiltration of secrets including GITHUB_TOKEN and AWS credentials on self-hosted runners.
Severity
SSVC
Exploitation: poc
Automatable: yes
Technical Impact: total
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-08-03 19:35 UTC
CWE
- CWE-78 - Improper Neutralization of Special Elements used in an OS Command ('OS Command Injection')
Assigner
References
2 references
| URL | Tags |
|---|---|
| https://github.com/wazuh/wazuh/security/advisorie… | vendor-advisory |
| https://www.vulncheck.com/advisories/wazuh-github… | third-party-advisory |
Impacted products
Date Public
2026-07-16 00:00
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CVE-2026-28220 (GCVE-0-2026-28220)
Vulnerability from cvelistv5 – Published: 2026-07-20 15:26 – Updated: 2026-07-20 17:30
VLAI
EPSS
VEX
Title
Wazuh cluster DAPI arbitrary callable deserialization and RBAC context injection allow a cluster peer to execute privileged functions on the master node
Summary
Wazuh is a free and open source platform used for threat prevention, detection, and response. Prior to version 4.14.5, issues in the Cluster Distributed API (DAPI) handling allow a cluster peer, or any actor able to authenticate to the cluster channel using the shared cluster key, to make the master node deserialize an attacker-controlled callable and execute it under an attacker-controlled RBAC context. The cluster code in `framework/wazuh/core/cluster/common.py` deserializes JSON with `as_wazuh_object()`, which resolves any callable whose top-level package is wazuh or api (an overly broad allowlist controlled only by `ALLOWED_CALLABLES_PACKAGES`), and DAPI requests handled in framework/wazuh/core/cluster/dapi/dapi.py accept a client-supplied rbac_permissions value that `run_local()` applies as the global RBAC context, so supplying an rbac_mode of black causes authorization checks for expose_resources-protected functions to pass without any legitimate permission assignment. Combined, these allow privileged administrative actions on the master node such as arbitrary file writes under WAZUH_PATH, creation of new API users, and tampering with security.yaml, and can be chained into full manager compromise. This issue has been fixed in version 4.14.5.
Severity
8.4 (High)
SSVC
Exploitation: poc
Automatable: no
Technical Impact: total
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-07-20 17:30 UTC
CWE
- CWE-502 - Deserialization of Untrusted Data
Assigner
References
1 reference
| URL | Tags |
|---|---|
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CVE-2026-44251 (GCVE-0-2026-44251)
Vulnerability from cvelistv5 – Published: 2026-07-17 00:01 – Updated: 2026-07-17 18:06
VLAI
EPSS
VEX
Title
Wazuh : size_t underflow in msgs.c ReadSecMSG causes wazuh-remoted DoS and potential heap overflow via crafted agent message
Summary
Wazuh is a free and open source platform used for threat prevention, detection, and response. In versions 3.0.0 and above, prior to 4.14.5, a size_t integer underflow in os_crypto/shared/msgs.c:389 allows any enrolled Wazuh agent to crash the wazuh-remoted process on the manager, immediately disconnecting all agents from the manager. A second code path reached by the same underflow may allow heap memory corruption. This issue has been fixed in version 4.14.5.
Severity
6.5 (Medium)
SSVC
Exploitation: poc
Automatable: no
Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-07-17 17:33 UTC
Assigner
References
1 reference
| URL | Tags |
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CVE-2026-40106 (GCVE-0-2026-40106)
Vulnerability from cvelistv5 – Published: 2026-07-16 23:57 – Updated: 2026-07-17 14:31
VLAI
EPSS
VEX
Title
Wazuh: Heap-based Buffer Overflow in syscheck Registry Wildcard Expansion (LPE / DoS)
Summary
Wazuh is a free and open source platform used for threat prevention, detection, and response. Versions 4.6.0 and above prior to 4.14.5 contain a heap-based buffer overflow vulnerability in the syscheck component of the Wazuh agent for Windows. When expanding registry paths containing wildcards (* or ?), the agent allocates a fixed-size heap buffer of 256 bytes (OS_SIZE_256). By creating a registry subkey with a maximum allowed length (255 characters) inside a monitored path, a low-privileged local attacker can force an out-of-bounds write during string concatenation. Since wazuh-agent.exe runs as NT AUTHORITY\SYSTEM, this can lead to a silent Denial of Service (blinding the agent) or potentially Local Privilege Escalation (LPE). This issue has been fixed in version 4.14.5.
Severity
4.7 (Medium)
SSVC
Exploitation: poc
Automatable: no
Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-07-17 14:31 UTC
CWE
- CWE-122 - Heap-based Buffer Overflow
Assigner
References
1 reference
| URL | Tags |
|---|---|
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CVE-2026-39359 (GCVE-0-2026-39359)
Vulnerability from cvelistv5 – Published: 2026-07-16 23:55 – Updated: 2026-07-17 13:53
VLAI
EPSS
VEX
Title
Wazuh: Unauthenticated Path Traversal in authd via Agent Group Name
Summary
Wazuh is a free and open source platform used for threat prevention, detection, and response. In versions 4.0.0 through 4.10.3 and 4.11.0 through 4.14.4, a logic flaw affects the Wazuh Manager's enrollment daemon (authd) and synchronization daemon (remoted). The authd process allows agents to select a group during enrollment but does not filter path traversal sequences such as "..." While the manager checks for the group directory using wopendir(), the ".." sequence references the parent directory (/var/ossec/etc), allowing it to pass validation. After the malicious group is accepted and stored in the manager's global database, the remoted process uses this unchecked value to build paths for agent configuration synchronization. As a result, sensitive files from /var/ossec/etc, such as client.keys, ossec.conf, and internal certificates, are included in the agent's shared configuration stream and exposed to the attacker. This issue has been fixed in versions 4.10.4 and 4.14.5.
Severity
7.5 (High)
SSVC
Exploitation: poc
Automatable: yes
Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-07-17 13:53 UTC
CWE
- CWE-22 - Improper Limitation of a Pathname to a Restricted Directory ('Path Traversal')
Assigner
References
1 reference
| URL | Tags |
|---|---|
| https://github.com/wazuh/wazuh/security/advisorie… | x_refsource_CONFIRM |
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CVE-2026-34150 (GCVE-0-2026-34150)
Vulnerability from cvelistv5 – Published: 2026-07-16 23:44 – Updated: 2026-07-17 10:48
VLAI
EPSS
VEX
Title
Wazuh: Heap buffer overflow in wazuh-analysisd via rootcheck event parsing
Summary
Wazuh is a free and open source platform used for threat prevention, detection, and response. In versions 1.0.0 and above, prior to 4.14.5, a heap buffer overflow in wazuh-analysisd allows an unauthenticated remote attacker to crash the Wazuh manager's analysis engine, causing complete loss of SIEM alert processing. The attack exploits the default configuration shipped in the official wazuh/wazuh-docker deployment with default configuration. An attacker can enroll with authd without a password to obtain a valid agent ID and encryption key, connect to remoted over the Wazuh agent protocol, and inject rootcheck events containing {key: value} patterns longer than 30 bytes that trigger a sprintf overflow of a 30-byte buffer in W_JSON_ParseRootcheck, corrupting the heap and crashing wazuh-analysisd so that all alert processing silently stops while the dashboard and API keep showing stale data.
Severity
7.5 (High)
SSVC
Exploitation: poc
Automatable: yes
Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-07-17 10:46 UTC
CWE
- CWE-122 - Heap-based Buffer Overflow
Assigner
References
1 reference
| URL | Tags |
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CVE-2026-33754 (GCVE-0-2026-33754)
Vulnerability from cvelistv5 – Published: 2026-07-16 23:40 – Updated: 2026-07-17 12:16
VLAI
EPSS
VEX
Title
Wazuh: Unauthenticated cluster packet length leads to uncontrolled memory allocation (remote DoS)
Summary
Wazuh is a free and open source platform used for threat prevention, detection, and response. In versions 3.9.0 and above, prior to 4.14.5, a remote attacker can trigger memory exhaustion in the cluster protocol parser by sending a crafted message header with an arbitrarily large payload length. The length is trusted before authentication/decryption and used directly to allocate memory, allowing unauthenticated denial of service of the cluster service. This issue has been fixed in version 4.14.5.
Severity
6.5 (Medium)
SSVC
Exploitation: poc
Automatable: no
Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-07-17 12:16 UTC
CWE
- CWE-400 - Uncontrolled Resource Consumption
Assigner
References
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CVE-2026-33434 (GCVE-0-2026-33434)
Vulnerability from cvelistv5 – Published: 2026-07-16 23:36 – Updated: 2026-07-18 03:22
VLAI
EPSS
VEX
Title
Wazuh: Rate Limit Bypass via /events Endpoint
Summary
Wazuh is a free and open source platform used for threat prevention, detection, and response. In versions 4.6.0 and above, prior to 4.14.5, a logic error in CheckRateLimitsMiddleware.dispatch() causes the /events endpoint rate check to unconditionally overwrite the general rate limit result. When the global max_request_per_minute is exceeded, requests to /events still succeed if the events-specific counter (hardcoded 30/min) has not been reached. This allows event injection into analysisd beyond the admin-configured global rate limit. This issue has been fixed in version 4.14.5.
Severity
4.3 (Medium)
SSVC
Exploitation: none
Automatable: no
Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-07-18 03:21 UTC
CWE
- CWE-799 - Improper Control of Interaction Frequency
Assigner
References
1 reference
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CVE-2026-56699 (GCVE-0-2026-56699)
Vulnerability from cvelistv5 – Published: 2026-07-15 11:25 – Updated: 2026-08-06 16:42
VLAI
EPSS
VEX
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CVE-2026-56401 (GCVE-0-2026-56401)
Vulnerability from cvelistv5 – Published: 2026-07-08 13:49 – Updated: 2026-07-15 11:42
VLAI
EPSS
VEX
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