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Common Weakness Enumeration

CWE-299

Allowed

Improper Check for Certificate Revocation

Abstraction: Base · Status: Draft

The product does not check or incorrectly checks the revocation status of a certificate, which may cause it to use a certificate that has been compromised.

25 vulnerabilities reference this CWE, most recent first.

CVE-2026-86231 (GCVE-0-2026-86231)

Vulnerability from cvelistv5 – Published: 2026-09-06 22:45 – Updated: 2026-09-11 20:36 X_Open Source
VLAI
Title
mwiede jsch KnownHosts.java getRevokedKeys improper check for certificate revocation
Summary
A security flaw has been discovered in mwiede jsch up to 2.28.5. Affected is the function getRevokedKeys of the file src/main/java/com/jcraft/jsch/KnownHosts.java. Performing a manipulation of the argument known_hosts results in improper check for certificate revocation. The attack is possible to be carried out remotely. The attack is considered to have high complexity. The exploitability is told to be difficult. The exploit has been released to the public and may be used for attacks. Upgrading to version 2.28.6 is able to address this issue. The patch is named 194a2f76a5c0f1c3f778565be3fd66bcafc42d23. You should upgrade the affected component.
SSVC
Exploitation: poc Automatable: no Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-09-11 20:04 UTC
CWE
  • CWE-299 - Improper Check for Certificate Revocation
  • CWE-298 - Improper Validation of Certificate Expiration
Impacted products
Vendor Product Version
mwiede jsch Affected: 2.28.0
Affected: 2.28.1
Affected: 2.28.2
Affected: 2.28.3
Affected: 2.28.4
Affected: 2.28.5
Unaffected: 2.28.6
    cpe:2.3:a:mwiede:jsch:*:*:*:*:*:*:*:*
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Show details on NVD website

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CVE-2026-61699 (GCVE-0-2026-61699)

Vulnerability from cvelistv5 – Published: 2026-09-04 19:43 – Updated: 2026-09-08 12:59
VLAI
Title
nebula-mesh: Certificate revocation is never enforced at the mesh
Summary
nebula-mesh is a self-hosted control plane for Slack Nebula mesh VPN. Prior to version 0.7.1, revocation is the only in-band mechanism that isolates a compromised/offboarded host from a Nebula mesh. Because the blocklist never reaches any peer's config.yml, a Blocked host retains full overlay reachability to every peer under its CA (and internal services on the mesh) for up to 30d (agent) / 365d (mobile). An attacker who exfiltrates host.key+host.crt can run stock slackhq/nebula directly, ignore the agent's 403/410 poll responses, and stay connected after the operator revokes the host. Operator-visible state (UI shows blocked, audit log records it) is misleading. This issue has been patched in version 0.7.1.
SSVC
Exploitation: poc Automatable: no Technical Impact: total
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-09-08 12:58 UTC
CWE
  • CWE-299 - Improper Check for Certificate Revocation
  • CWE-672 - Operation on a Resource after Expiration or Release
Impacted products
Vendor Product Version
forgekeep nebula-mesh Affected: < 0.7.1
Create a notification for this product.
Show details on NVD website

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CVE-2026-56821 (GCVE-0-2026-56821)

Vulnerability from cvelistv5 – Published: 2026-07-28 23:07 – Updated: 2026-07-31 16:12
VLAI
Title
Netty: Out-of-date OCSP Responses Accepted by OcspServerCertificateValidator
Summary
Netty is an asynchronous, event-driven network application framework. Prior to versions 4.1.136.Final and 4.2.16.Final, the OcspServerCertificateValidator flags an out-of-date OCSP response but does not stop processing it, so an expired GOOD response is still reported as VALID, letting an on-path attacker replay a stale GOOD response to bypass revocation of a since-revoked certificate. Exploitation can lead to certificate revocation bypass via replay of an expired OCSP response. Any application using OcspServerCertificateValidator is affected; a revoked certificate can be accepted. This issue has been fixed in versions 4.1.136.Final and 4.2.16.Final.
SSVC
Exploitation: poc Automatable: no Technical Impact: total
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-07-30 03:55 UTC
CWE
  • CWE-299 - Improper Check for Certificate Revocation
References
Impacted products
Vendor Product Version
netty netty Affected: < 4.1.136.Final
Affected: >= 4.2.0.Final, < 4.2.16.Final
Create a notification for this product.
Show details on NVD website

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CVE-2026-9636 (GCVE-0-2026-9636)

Vulnerability from cvelistv5 – Published: 2026-07-14 15:11 – Updated: 2026-07-14 15:55
VLAI
Title
Rockwell Automation CompactLogix® 5380 ControlLogix® 5580 / 1756-EN4 Communications Module – Certificate Revocation List Vulnerability
Summary
A security issue exists within CompactLogix® 5380, ControlLogix® 5580, and EN4 communication modules related to CIP Security certificate revocation handling. The security issue stems from the controller failing to properly reject certificates signed by an intermediate certificate that has been revoked via a Certificate Revocation List (CRL). This could allow a network-based attacker to establish a connection using a certificate that should be untrusted, potentially bypassing CIP Security protections.
SSVC
Exploitation: none Automatable: no Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-07-14 15:54 UTC
CWE
  • CWE-299 - Improper check for certificate revocation
Show details on NVD website

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CVE-2026-6899 (GCVE-0-2026-6899)

Vulnerability from cvelistv5 – Published: 2026-06-09 08:39 – Updated: 2026-06-09 14:25
VLAI
Title
Improper Check for Certificate Revocation in S2OPC
Summary
Check for certificate revocation only considers the first matching CRL and ignores other valid CRLs of the same CA in the CycloneCrypto cryptographic wrapper of S2OPC library. It might allow connection between an OPC UA client and server using a revoked certificate.
SSVC
Exploitation: none Automatable: no Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-06-09 14:25 UTC
CWE
  • CWE-299 - Improper Check for Certificate Revocation
References
Impacted products
Vendor Product Version
Systerel S2OPC Affected: 1.5.0 , < 1.7.3 (semver)
Create a notification for this product.
Credits
Show details on NVD website

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CVE-2026-4428 (GCVE-0-2026-4428)

Vulnerability from cvelistv5 – Published: 2026-03-19 20:37 – Updated: 2026-03-25 14:13
VLAI
Title
CRL Distribution Point Scope Check Logic Error in AWS-LC
Summary
A logic error in CRL distribution point validation in AWS-LC before 1.71.0 causes partitioned CRLs to be incorrectly rejected as out of scope, which allows a revoked certificate to bypass certificate revocation checks. To remediate this issue, users should upgrade to AWS-LC 1.71.0 or AWS-LC-FIPS-3.3.0.
SSVC
Exploitation: none Automatable: no Technical Impact: total
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-03-25 14:13 UTC
CWE
  • CWE-299 - Improper check for certificate revocation
Impacted products
Vendor Product Version
AWS AWS-LC Affected: 1.24.0 , < 1.71.0 (custom)
Create a notification for this product.
AWS AWS-LC-FIPS Affected: 3.0.0 , < 3.3.0 (custom)
Create a notification for this product.
Show details on NVD website

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CVE-2025-36057 (GCVE-0-2025-36057)

Vulnerability from cvelistv5 – Published: 2025-07-21 18:10 – Updated: 2025-08-18 01:32
VLAI
Title
IBM Cognos Analytics Mobile (iOS) authentication bypass
Summary
IBM Cognos Analytics Mobile (iOS) 1.1.0 through 1.1.22 is vulnerable to authentication bypass by using the Local Authentication Framework library which is not needed as biometric authentication is not used in the application.
SSVC
Exploitation: none Automatable: no Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2025-07-21 18:29 UTC
CWE
  • CWE-299 - Authentication Bypass Using an Alternate Path or Channel
Assigner
References
URL Tags
https://www.ibm.com/support/pages/node/7239635 vendor-advisorypatch
Impacted products
Vendor Product Version
IBM Cognos Analytics Mobile Affected: 1.1.0 , ≤ 1.1.22 (semver)
    cpe:2.3:a:ibm:cognos_analytics_mobile:1.1.0:*:*:*:*:ios:*:*
    cpe:2.3:a:ibm:cognos_analytics_mobile:1.1.22:*:*:*:*:ios:*:*
Create a notification for this product.
Show details on NVD website

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CVE-2025-11955 (GCVE-0-2025-11955)

Vulnerability from cvelistv5 – Published: 2025-10-27 11:30 – Updated: 2025-10-27 13:19
VLAI
Title
Incorrect validation of OCSP certificates in TheGreenBow VPN Client Windows Enterprise
Summary
Incorrect validation of OCSP certificates vulnerability in TheGreenBow VPN, versions 7.5 and 7.6. During the IKEv2 authentication step, the OCSP-enabled VPN client establishes the tunnel even if it does not receive an OCSP response or if the OCSP response signature is invalid.
SSVC
Exploitation: none Automatable: no Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2025-10-27 13:19 UTC
CWE
  • CWE-299 - Improper Check for Certificate Revocation
Impacted products
Vendor Product Version
TheGreenBow TheGreenBow VPN Client Windows Enterprise Affected: 7.5
Affected: 7.6
    cpe:2.3:a:thegreenbow:thegreenbow_vpn_client_windows_enterprise:7.5:*:*:*:*:*:*:*
    cpe:2.3:a:thegreenbow:thegreenbow_vpn_client_windows_enterprise:7.6:*:*:*:*:*:*:*
Create a notification for this product.
Date Public
2025-10-27 11:00
Show details on NVD website

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CVE-2025-3085 (GCVE-0-2025-3085)

Vulnerability from cvelistv5 – Published: 2025-04-01 12:05 – Updated: 2025-04-01 13:03
VLAI
Title
MongoDB Server running on Linux may allow unexpected connections where intermediate certificates are revoked
Summary
A MongoDB server under specific conditions running on Linux with TLS and CRL revocation status checking enabled, fails to check the revocation status of the intermediate certificates in the peer's certificate chain. In cases of MONGODB-X509, which is not enabled by default, this may lead to improper authentication. This issue may also affect intra-cluster authentication. This issue affects MongoDB Server v5.0 versions prior to 5.0.31, MongoDB Server v6.0 versions prior to 6.0.20, MongoDB Server v7.0 versions prior to 7.0.16 and MongoDB Server v8.0 versions prior to 8.0.4. Required Configuration : MongoDB Server must be running on Linux Operating Systems and CRL revocation status checking must be enabled
SSVC
Exploitation: none Automatable: no Technical Impact: total
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2025-04-01 13:02 UTC
CWE
  • CWE-299 - Improper Check for Certificate Revocation
References
Impacted products
Vendor Product Version
MongoDB Inc MongoDB Server Affected: 5.0 , < 5.0.31 (custom)
Affected: 6.0 , < 6.0.20 (custom)
Affected: 7.0 , < 7.0.16 (custom)
Affected: 8.0. , < 8.0.4 (custom)
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Create a notification for this product.
Date Public
2025-04-01 09:16
Show details on NVD website

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CVE-2024-56138 (GCVE-0-2024-56138)

Vulnerability from cvelistv5 – Published: 2025-01-13 21:37 – Updated: 2025-01-14 00:26
VLAI
Title
Timestamp signature generation lacks certificate revocation check in notion-go
Summary
notion-go is a collection of libraries for supporting sign and verify OCI artifacts. Based on Notary Project specifications. This issue was identified during Quarkslab's audit of the timestamp feature. During the timestamp signature generation, the revocation status of the certificate(s) used to generate the timestamp signature was not verified. During timestamp signature generation, notation-go did not check the revocation status of the certificate chain used by the TSA. This oversight creates a vulnerability that could be exploited through a Man-in-The-Middle attack. An attacker could potentially use a compromised, intermediate, or revoked leaf certificate to generate a malicious countersignature, which would then be accepted and stored by `notation`. This could lead to denial of service scenarios, particularly in CI/CD environments during signature verification processes because timestamp signature would fail due to the presence of a revoked certificate(s) potentially disrupting operations. This issue has been addressed in release version 1.3.0-rc.2 and all users are advised to upgrade. There are no known workarounds for this vulnerability.
SSVC
Exploitation: none Automatable: no Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2025-01-14 00:25 UTC
CWE
  • CWE-299 - Improper Check for Certificate Revocation
References
Impacted products
Vendor Product Version
notaryproject notation-go Affected: < 1.3.0-rc.2
Create a notification for this product.
Show details on NVD website

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Mitigation
Architecture and Design

Ensure that certificates are checked for revoked status.

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 revoked status.

No CAPEC attack patterns related to this CWE.