Common Weakness Enumeration
CWE-295
AllowedImproper Certificate Validation
Abstraction: Base · Status: Draft
The product does not validate, or incorrectly validates, a certificate.
1903 vulnerabilities reference this CWE, most recent first.
CVE-2026-25961 (GCVE-0-2026-25961)
Vulnerability from cvelistv5 – Published: 2026-02-09 21:34 – Updated: 2026-02-10 15:57
VLAI
EPSS
VEX
Title
SumatraPDF Update MITM -> Arbitrary Code Execution
Summary
SumatraPDF is a multi-format reader for Windows. In 3.5.0 through 3.5.2, SumatraPDF's update mechanism disables TLS hostname verification (INTERNET_FLAG_IGNORE_CERT_CN_INVALID) and executes installers without signature checks. A network attacker with any valid TLS certificate (e.g., Let's Encrypt) can intercept the update check request, inject a malicious installer URL, and achieve arbitrary code execution.
Severity
7.5 (High)
SSVC
Exploitation: none
Automatable: no
Technical Impact: total
CISA Coordinator (v2.0.3)
Assigner
References
1 reference
| URL | Tags |
|---|---|
| https://github.com/sumatrapdfreader/sumatrapdf/se… | x_refsource_CONFIRM |
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| sumatrapdfreader | sumatrapdf |
Affected:
>= 3.5.0, <= 3.5.2
|
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CVE-2026-25644 (GCVE-0-2026-25644)
Vulnerability from cvelistv5 – Published: 2026-02-06 22:40 – Updated: 2026-02-09 15:26
VLAI
EPSS
VEX
Title
DataHub's LDAP Ingestion Source vulnerable to MITM attack through TLS downgrade
Summary
DataHub is an open-source metadata platform. Prior to version 1.3.1.8, the LDAP ingestion source is vulnerable to MITM attack through TLS downgrade. This issue has been patched in version 1.3.1.8.
Severity
7.5 (High)
SSVC
Exploitation: none
Automatable: yes
Technical Impact: partial
CISA Coordinator (v2.0.3)
CWE
- CWE-295 - Improper Certificate Validation
Assigner
References
1 reference
| URL | Tags |
|---|---|
| https://github.com/datahub-project/datahub/securi… | x_refsource_CONFIRM |
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| datahub-project | datahub |
Affected:
< 1.3.1.8
|
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CVE-2026-25160 (GCVE-0-2026-25160)
Vulnerability from cvelistv5 – Published: 2026-02-04 19:40 – Updated: 2026-02-05 14:32
VLAI
EPSS
VEX
Title
Alist has Insecure TLS Config
Summary
Alist is a file list program that supports multiple storages, powered by Gin and Solidjs. Prior to version 3.57.0, the application disables TLS certificate verification by default for all outgoing storage driver communications, making the system vulnerable to Man-in-the-Middle (MitM) attacks. This enables the complete decryption, theft, and manipulation of all data transmitted during storage operations, severely compromising the confidentiality and integrity of user data. This issue has been patched in version 3.57.0.
Severity
9.1 (Critical)
SSVC
Exploitation: none
Automatable: yes
Technical Impact: total
CISA Coordinator (v2.0.3)
CWE
- CWE-295 - Improper Certificate Validation
Assigner
References
2 references
| URL | Tags |
|---|---|
| https://github.com/AlistGo/alist/security/advisor… | x_refsource_CONFIRM |
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CVE-2026-24935 (GCVE-0-2026-24935)
Vulnerability from cvelistv5 – Published: 2026-02-03 02:28 – Updated: 2026-02-03 15:30
VLAI
EPSS
VEX
Title
An improper certificate validation vulnerability was found in a third-party NAT traversal module.
Summary
A third-party NAT traversal module fails to validate SSL/TLS certificates when connecting to the signaling server. While subsequent access to device services requires additional authentication, a Man-in-the-Middle (MitM) attacker can intercept or redirect the NAT tunnel establishment. This could allow an attacker to disrupt service availability or facilitate further targeted attacks by acting as a proxy between the user and the device services.
Affected products and versions include: from ADM 4.1.0 through ADM 4.3.3.ROF1 as well as from ADM 5.0.0 through ADM 5.1.1.RCI1.
Severity
SSVC
Exploitation: none
Automatable: no
Technical Impact: partial
CISA Coordinator (v2.0.3)
CWE
- CWE-295 - Improper Certificate Validation
Assigner
References
1 reference
| URL | Tags |
|---|---|
| https://www.asustor.com/security/security_advisor… | vendor-advisory |
Impacted products
Date Public
2026-02-03 02:10
Credits
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CVE-2026-24934 (GCVE-0-2026-24934)
Vulnerability from cvelistv5 – Published: 2026-02-03 02:26 – Updated: 2026-02-03 15:31
VLAI
EPSS
VEX
Title
An improper certificate validation vulnerability was found in ADM while querying an external server for the device's WAN IP address.
Summary
The DDNS function uses an insecure HTTP connection or fails to validate the SSL/TLS certificate when querying an external server for the device's WAN IP address. An unauthenticated remote attacker can perform a Man-in-the-Middle (MitM) attack to spoof the response, leading the device to update its DDNS record with an incorrect IP address.
Affected products and versions include: from ADM 4.1.0 through ADM 4.3.3.ROF1 as well as from ADM 5.0.0 through ADM 5.1.1.RCI1.
Severity
SSVC
Exploitation: none
Automatable: no
Technical Impact: partial
CISA Coordinator (v2.0.3)
CWE
- CWE-295 - Improper Certificate Validation
Assigner
References
1 reference
| URL | Tags |
|---|---|
| https://www.asustor.com/security/security_advisor… | vendor-advisory |
Impacted products
Date Public
2026-02-03 02:10
Credits
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CVE-2026-24933 (GCVE-0-2026-24933)
Vulnerability from cvelistv5 – Published: 2026-02-03 02:22 – Updated: 2026-02-03 15:31
VLAI
EPSS
VEX
Title
An improper certificate validation vulnerability was found in ADM while sending HTTPS requests to the server.
Summary
The API communication component fails to validate the SSL/TLS certificate when sending HTTPS requests to the server. An improper certificates validation vulnerability allows an unauthenticated remote attacker can perform a Man-in-the-Middle (MitM) attack to intercept the cleartext communication, potentially leading to the exposure of sensitive user information, including account emails, MD5 hashed passwords, and device serial numbers.
Affected products and versions include: from ADM 4.1.0 through ADM 4.3.3.ROF1 as well as from ADM 5.0.0 through ADM 5.1.1.RCI1.
Severity
SSVC
Exploitation: none
Automatable: no
Technical Impact: partial
CISA Coordinator (v2.0.3)
CWE
- CWE-295 - Improper Certificate Validation
Assigner
References
1 reference
| URL | Tags |
|---|---|
| https://www.asustor.com/security/security_advisor… | vendor-advisory |
Impacted products
Date Public
2026-02-03 02:10
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CVE-2026-24932 (GCVE-0-2026-24932)
Vulnerability from cvelistv5 – Published: 2026-02-03 02:19 – Updated: 2026-02-03 15:31
VLAI
EPSS
VEX
Title
An improper certificate validation vulnerability was found in ADM while updating the DDNS settings.
Summary
The DDNS update function in ADM fails to properly validate the hostname of the DDNS server's TLS/SSL certificate. Although the connection uses HTTPS, an improper validated TLS/SSL certificates allows a remote attacker can intercept the communication to perform a Man-in-the-Middle (MitM) attack, which may obtain the sensitive information of DDNS updating process, including the user's account email, MD5 hashed password, and device serial number.This issue affects ADM: from 4.1.0 through 4.3.3.ROF1, from 5.0.0 through 5.1.1.RCI1.
Severity
SSVC
Exploitation: none
Automatable: no
Technical Impact: partial
CISA Coordinator (v2.0.3)
CWE
- CWE-295 - Improper Certificate Validation
Assigner
References
1 reference
| URL | Tags |
|---|---|
| https://www.asustor.com/security/security_advisor… | vendor-advisory |
Impacted products
Date Public
2026-02-03 02:10
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CVE-2026-24508 (GCVE-0-2026-24508)
Vulnerability from cvelistv5 – Published: 2026-03-11 18:56 – Updated: 2026-03-11 20:07
VLAI
EPSS
VEX
Summary
Dell Alienware Command Center (AWCC), versions prior to 6.12.24.0, contain an Improper Certificate Validation vulnerability. A low privileged attacker with local access could potentially exploit this vulnerability, leading to Information exposure.
Severity
SSVC
Exploitation: none
Automatable: no
Technical Impact: partial
CISA Coordinator (v2.0.3)
CWE
- CWE-295 - Improper Certificate Validation
Assigner
References
1 reference
| URL | Tags |
|---|---|
| https://www.dell.com/support/kbdoc/en-us/00042757… | vendor-advisory |
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| Dell | Alienware Command Center (AWCC) |
Affected:
0 , < 6.12.24.0
(semver)
|
Date Public
2026-03-11 17:00
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CVE-2026-24281 (GCVE-0-2026-24281)
Vulnerability from cvelistv5 – Published: 2026-03-07 08:50 – Updated: 2026-07-15 01:17
VLAI
EPSS
VEX
Title
Apache ZooKeeper: Reverse-DNS fallback enables hostname verification bypass in ZooKeeper ZKTrustManager
Summary
Hostname verification in Apache ZooKeeper ZKTrustManager falls back to reverse DNS (PTR) when IP SAN validation fails, allowing attackers who control or spoof PTR records to impersonate ZooKeeper servers or clients with a valid certificate for the PTR name. It's important to note that attacker must present a certificate which is trusted by ZKTrustManager which makes the attack vector harder to exploit. Users are recommended to upgrade to version 3.8.6 or 3.9.5, which fixes this issue by introducing a new configuration option to disable reverse DNS lookup in client and quorum protocols.
Severity
5.9 (Medium)
7.4 (High)
SSVC
Exploitation: none
Automatable: no
Technical Impact: partial
CISA Coordinator (v2.0.3)
CWE
Assigner
References
10 references
| URL | Tags |
|---|---|
| https://lists.apache.org/thread/088ddsbrzhd5lxzbq… | vendor-advisory |
| http://www.openwall.com/lists/oss-security/2026/03/07/4 | |
| https://access.redhat.com/security/cve/CVE-2026-24281 | vdb-entryx_refsource_REDHAT |
| https://bugzilla.redhat.com/show_bug.cgi?id=2445449 | issue-trackingx_refsource_REDHAT |
| https://security.access.redhat.com/data/csaf/v2/v… | x_sadp-csaf-vex |
| https://access.redhat.com/errata/RHSA-2026:14276 | vendor-advisoryx_refsource_REDHAT |
| https://access.redhat.com/errata/RHSA-2026:14272 | vendor-advisoryx_refsource_REDHAT |
| https://access.redhat.com/errata/RHSA-2026:8509 | vendor-advisoryx_refsource_REDHAT |
| https://access.redhat.com/errata/RHSA-2026:10184 | vendor-advisoryx_refsource_REDHAT |
| https://access.redhat.com/errata/RHSA-2026:34608 | vendor-advisoryx_refsource_REDHAT |
Impacted products
17 products
| Vendor | Product | Version | |
|---|---|---|---|
| Apache Software Foundation | Apache ZooKeeper |
Affected:
3.9.0 , ≤ 3.9.4
(maven)
Affected: 3.8.0 , ≤ 3.8.5 (maven) |
|
| Red Hat | Red Hat AMQ Broker 7.12.7 |
cpe:/a:redhat:amq_broker:7.12 |
|
| Red Hat | Red Hat AMQ Broker 7.13.5 |
cpe:/a:redhat:amq_broker:7.13 |
|
| Red Hat | Red Hat AMQ Broker 7.14.0 |
cpe:/a:redhat:amq_broker:7.14 |
|
| Red Hat | Streams for Apache Kafka 2.9.4 |
cpe:/a:redhat:amq_streams:2.9::el9 |
|
| Red Hat | Red Hat OpenShift AI 2.25 |
Unaffected:
1776756834 , < *
(rpm)
cpe:/a:redhat:openshift_ai:2.25::el9 |
|
| Red Hat | Red Hat build of Apache Camel for Spring Boot 4 |
cpe:/a:redhat:camel_spring_boot:4 |
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cpe:/a:redhat:debezium:2 |
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cpe:/a:redhat:debezium:3 |
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cpe:/a:redhat:jboss_data_grid:8 |
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cpe:/a:redhat:jboss_fuse:7 |
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cpe:/a:redhat:jboss_enterprise_application_platform:7 |
|
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cpe:/a:redhat:jboss_enterprise_application_platform:8 |
|
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cpe:/a:redhat:jbosseapxp |
|
| Red Hat | Red Hat Offline Knowledge Portal |
cpe:/a:redhat:offline_knowledge_portal:1 |
|
| Red Hat | Red Hat OpenShift AI (RHOAI) |
cpe:/a:redhat:openshift_ai |
|
| Red Hat | streams for Apache Kafka 3 |
cpe:/a:redhat:amq_streams:3 |
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CVE-2026-24122 (GCVE-0-2026-24122)
Vulnerability from cvelistv5 – Published: 2026-02-19 22:27 – Updated: 2026-02-20 15:41
VLAI
EPSS
VEX
Title
Cosign Certificate Chain Expiry Validation Issue Allows Issuing Certificate Expiry to Be Overlooked
Summary
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Severity
SSVC
Exploitation: none
Automatable: no
Technical Impact: partial
CISA Coordinator (v2.0.3)
CWE
- CWE-295 - Improper Certificate Validation
Assigner
References
3 references
| URL | Tags |
|---|---|
| https://github.com/sigstore/cosign/security/advis… | x_refsource_CONFIRM |
| https://github.com/sigstore/cosign/commit/3c9a736… | x_refsource_MISC |
| https://github.com/sigstore/cosign/releases/tag/v3.0.5 | x_refsource_MISC |
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Mitigation
Architecture and Design
Implementation
Certificates should be carefully managed and checked to assure that data are encrypted with the intended owner's public key.
Mitigation
Implementation
If certificate pinning is being used, ensure that all relevant properties of the certificate are fully validated before the certificate is pinned, including the hostname.
CAPEC-459: Creating a Rogue Certification Authority Certificate
An adversary exploits a weakness resulting from using a hashing algorithm with weak collision resistance to generate certificate signing requests (CSR) that contain collision blocks in their "to be signed" parts. The adversary submits one CSR to be signed by a trusted certificate authority then uses the signed blob to make a second certificate appear signed by said certificate authority. Due to the hash collision, both certificates, though different, hash to the same value and so the signed blob works just as well in the second certificate. The net effect is that the adversary's second X.509 certificate, which the Certification Authority has never seen, is now signed and validated by that Certification Authority.
CAPEC-475: Signature Spoofing by Improper Validation
An adversary exploits a cryptographic weakness in the signature verification algorithm implementation to generate a valid signature without knowing the key.