Common Weakness Enumeration

CWE-295

Allowed

Improper Certificate Validation

Abstraction: Base · Status: Draft

The product does not validate, or incorrectly validates, a certificate.

851 vulnerabilities reference this CWE, most recent first.

CVE-2026-92744 (GCVE-0-2026-92744)

Vulnerability from cvelistv5 – Published: 2026-10-29 22:56 – Updated: 2026-10-30 18:31
VLAI
Title
Delinea Privilege Manager agent unauthenticated remote code execution vulnerability
Summary
Under certain conditions, privilege manager agent allows a remote unauthenticated attacker to execute arbitrary code as LocalSystem.
SSVC
Exploitation: none Automatable: no Technical Impact: total
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-10-30 17:00 UTC
CWE
  • CWE-306 - Missing authentication for critical function
  • CWE-295 - Improper certificate validation
Assigner
Delinea CNA
References
Impacted products
Vendor Product Version
Delinea Privilege Manager Affected: 10.1.0 , ≤ 12.0.5796 (custom)
Affected: 13.0.0 , ≤ 13.0.1058 (custom)
Create a notification for this product.
Show details on NVD website

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CVE-2026-92543 (GCVE-0-2026-92543)

Vulnerability from cvelistv5 – Published: 2026-10-07 16:44 – Updated: 2026-10-07 20:31
VLAI
Title
Docker Engine insecure-registry fallback via malicious DNS responses
Summary
Docker Engine classifies a registry hostname as insecure using an any-match DNS check. loadInsecureRegistries() injects 127.0.0.0/8 and ::1/128 as insecure CIDRs by default. isCIDRMatch resolves all of the hostname's addresses and returns true if a single address is in the insecure CIDR list. Because the transport re-dials the hostname rather than the CIDR-matching address, a DNS answer set of one loopback IP plus a non-loopback attacker IP disables certificate verification and enables HTTP fallback for the registry connection.
SSVC
Exploitation: none Automatable: no Technical Impact: total
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-10-07 20:31 UTC
CWE
  • CWE-295 - Improper Certificate Validation
  • CWE-319 - Cleartext Transmission of Sensitive Information
Assigner
Docker CNA
References
Impacted products
Vendor Product Version
Docker Docker Engine Affected: 0 , < 29.8.2 (semver)
Create a notification for this product.
Moby Moby Affected: 0 , < v2.0.0-beta.25 (semver)
Create a notification for this product.
Show details on NVD website

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CVE-2026-91897 (GCVE-0-2026-91897)

Vulnerability from cvelistv5 – Published: 2026-11-02 20:00 – Updated: 2026-11-03 15:39
VLAI
Summary
Dell Alienware Command Center (AWCC), versions prior to 6.14.54.0, contain an Improper Certificate Validation vulnerability. A high privileged attacker with local access could potentially exploit this vulnerability, leading to Arbitrary Code Execution and Denial of Service.
SSVC
Exploitation: none Automatable: no Technical Impact: total
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-11-03 04:56 UTC
CWE
  • CWE-295 - Improper Certificate Validation
Assigner
dell CNA
References
Impacted products
Vendor Product Version
Dell Alienware Command Center (AWCC) Affected: 0 , < 6.14.54.0 (semver)
Create a notification for this product.
Date Public
2026-11-02 19:59
Show details on NVD website

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CVE-2026-91881 (GCVE-0-2026-91881)

Vulnerability from cvelistv5 – Published: 2026-10-14 15:10 – Updated: 2026-10-15 14:58
VLAI
Summary
Dell Terraform Provider for Redfish, versions prior to 1.6.2, contains an Improper Certificate Validation vulnerability in the HTTP transport component. An unauthenticated attacker with remote access could potentially exploit this vulnerability, leading to information exposure and unauthorized access. This is a Critical severity vulnerability as it allows an unauthenticated attacker to intercept all Redfish BMC traffic including credentials by performing a man-in-the-middle attack, since TLS certificate verification is unconditionally disabled in the base HTTP transport. Dell recommends customers to upgrade at the earliest opportunity.
SSVC
Exploitation: none Automatable: no Technical Impact: total
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-10-15 14:58 UTC
CWE
  • CWE-295 - Improper Certificate Validation
Assigner
dell CNA
References
Impacted products
Vendor Product Version
Dell Terraform Provider for Redfish Affected: 0 , < 1.6.2 or later (semver)
Create a notification for this product.
Date Public
2026-09-30 06:30
Show details on NVD website

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CVE-2026-91812 (GCVE-0-2026-91812)

Vulnerability from cvelistv5 – Published: 2026-09-23 07:49 – Updated: 2026-09-23 14:39
VLAI
Title
Foxit PDF Editor/Reader FoxitUpdater Improper Certificate Validation Local Privilege Escalation Vulnerability
Summary
A vulnerability in Foxit PDF Editor/Reader’s update mechanism allows man-in-the-middle attackers to bypass certificate validation and package integrity checks, potentially enabling arbitrary code execution with system privileges.
SSVC
Exploitation: none Automatable: no Technical Impact: total
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-09-23 14:39 UTC
CWE
  • CWE-295 - Improper Certificate Validation
Assigner
Foxit CNA
Impacted products
Vendor Product Version
Foxit Software Inc. Foxit PDF Editor Affected: Versions 2026.2 and earlier
Affected: Versions 14.0.7 and earlier
Affected: Versions 13.2.6 and earlier
Create a notification for this product.
Foxit Software Inc. Foxit PDF Reader Affected: Versions 2026.2 and earlier
Create a notification for this product.
Show details on NVD website

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CVE-2026-90651 (GCVE-0-2026-90651)

Vulnerability from cvelistv5 – Published: 2026-09-12 23:55 – Updated: 2026-09-14 18:15
VLAI
Summary
Socket Firewall (socketdev/socket-registry-firewall) in registry mode before 2.0.0 does not verify upstream TLS certificates by default. When the api_ssl_verify and upstream_ssl_verify configuration keys are omitted from socket.yml, the generated configuration sets SOCKET_API_SSL_VERIFY='false' and UPSTREAM_SSL_VERIFY='false', and the OpenResty/Lua HTTP client used for outbound requests accepts any certificate, including self-signed and otherwise untrusted certificates, without validating the chain. An attacker positioned to intercept traffic between Socket Firewall and the Socket API or an upstream package registry can present a crafted certificate and modify responses in transit, including substituting malicious package content or altering the allow/block decisions the firewall enforces. Setting api_ssl_verify: true and upstream_ssl_verify: true enables verification; however, in versions before 1.1.334, the generated nginx configuration did not emit lua_ssl_trusted_certificate, and thus verification could not be used successfully without manually patching the generated configuration. Version 2.0.0 changes the default for both settings to true.
SSVC
Exploitation: none Automatable: no Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-09-14 14:56 UTC
CWE
  • CWE-295 - Improper Certificate Validation
Assigner
mitre CNA
Impacted products
Vendor Product Version
Socket Socket Firewall Affected: 0 , < 2.0.0 (semver)
Create a notification for this product.
Show details on NVD website

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CVE-2026-90647 (GCVE-0-2026-90647)

Vulnerability from cvelistv5 – Published: 2026-09-12 22:38 – Updated: 2026-09-15 17:10
VLAI
Summary
ASE/Kalkitech ASE2000 V2 Communication Test Set 2.35 through 2.37 on Windows contains an improper certificate validation vulnerability in the IEC 60870-5-104 TLS client (Task Mode). This allows a network-positioned attacker to bypass certificate validation via a certificate with multiple simultaneous faults, enabling a Man-in-the-Middle attack on protected communications.
SSVC
Exploitation: none Automatable: no Technical Impact: total
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-09-15 17:09 UTC
CWE
  • CWE-295 - Improper Certificate Validation
Assigner
mitre CNA
References
Impacted products
Vendor Product Version
Kalkitech ASE2000 V2 Communication Test Set Affected: 2.35 , < 2.38 (custom)
Create a notification for this product.
Show details on NVD website

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CVE-2026-90623 (GCVE-0-2026-90623)

Vulnerability from cvelistv5 – Published: 2026-09-14 03:45 – Updated: 2026-09-14 15:48
VLAI
Title
andreashappe cochise SSH Host Key ssh_connection.py asyncssh.connect certificate validation
Summary
A weakness has been identified in andreashappe cochise up to 0.4.1. Affected is the function asyncssh.connect of the file src/cochise/ssh_connection.py of the component SSH Host Key Handler. Executing a manipulation can lead to improper certificate validation. The attack may be launched remotely. The attack requires a high level of complexity. The exploitability is told to be difficult. The exploit has been made available to the public and could be used for attacks. The project was informed of the problem early through an issue report but has not responded yet.
SSVC
Exploitation: poc Automatable: no Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-09-14 15:48 UTC
CWE
  • CWE-295 - Improper Certificate Validation
  • CWE-287 - Improper Authentication
Assigner
VulDB CNA
References
URL Tags
https://vuldb.com/vuln/403205 vdb-entrytechnical-description
https://vuldb.com/vuln/403205/cti signaturepermissions-required
https://vuldb.com/cve/CVE-2026-90623 third-party-advisory
https://vuldb.com/submit/914815 third-party-advisory
https://github.com/andreashappe/cochise/issues/13 exploitissue-tracking
https://github.com/andreashappe/cochise/ product
Impacted products
Vendor Product Version
andreashappe cochise Affected: 0.4.0
Affected: 0.4.1
    cpe:2.3:a:andreashappe:cochise:*:*:*:*:*:*:*:*
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Show details on NVD website

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CVE-2026-90452 (GCVE-0-2026-90452)

Vulnerability from cvelistv5 – Published: 2026-09-11 21:51 – Updated: 2026-10-02 20:59
VLAI
Title
Improper certificate validation in Malcolm
Summary
Requests from the reverse proxy to the identity-provider service for token discovery, introspection, and credential exchange do not verify the identity provider's server certificate. An attacker positioned on the network path between the proxy and the identity provider could impersonate the identity provider and issue forged authentication tokens accepted by the deployment.
SSVC
Exploitation: none Automatable: no Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-09-14 12:50 UTC
CWE
  • CWE-295 - Improper certificate validation
Assigner
icscert CNA
References
Impacted products
Vendor Product Version
CISA Malcolm Affected: 0 , < v26.06.0 (custom)
Unaffected: v26.06.0
Create a notification for this product.
Show details on NVD website

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CVE-2026-89135 (GCVE-0-2026-89135)

Vulnerability from cvelistv5 – Published: 2026-09-27 09:14 – Updated: 2026-09-29 16:20
VLAI
Title
Failed X509_verify_cert leaves unverified CA in shared CertManager
Summary
A failed X509_verify_cert call permanently plants an unverified attacker CA in the shared CertManager, bypassing certificate validation in every type-blind sibling consumer (native TLS, OCSP, CRL, direct CM verify). This affects version 5.8.4 through 5.9.2 of wolfSSL with the macros (OPENSSL_EXTRA && !NO_CERTS && !WOLFCRYPT_ONLY) defined or built with --enable-opensslextra and the application is specifically making calls to the X509_verify_cert function.
SSVC
Exploitation: none Automatable: no Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-09-29 16:18 UTC
CWE
  • CWE-295 - Improper Certificate Validation
Assigner
wolfSSL CNA
References
Impacted products
Vendor Product Version
wolfSSL wolfSSL Affected: 5.8.4 , ≤ 5.9.2 (semver)
Create a notification for this product.
Date Public
2026-09-26 12:00
Show details on NVD website

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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.