Common Weakness Enumeration

CWE-295

Allowed

Improper Certificate Validation

Abstraction: Base · Status: Draft

API response cwe.mitre.org

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

2327 vulnerabilities reference this CWE, most recent first.

CVE-2026-112106 (GCVE-0-2026-112106)

Vulnerability from cvelistv5 – Published: 2026-10-19 10:45 – Updated: 2026-10-19 16:35 X_Open Source
VLAI
Title
TufayelLUS TikTok-Video-Downloader-PHP TLS index.php certificate validation
Summary
A security vulnerability has been detected in TufayelLUS TikTok-Video-Downloader-PHP up to c4230497bb23dd9c1f81456fe8a982d951feac0d. Affected by this issue is some unknown functionality of the file index.php of the component TLS Handler. Such manipulation leads to improper certificate validation. It is possible to launch the attack remotely. The attack requires a high level of complexity. The exploitation is known to be difficult. This product takes the approach of rolling releases to provide continious delivery. Therefore, version details for affected and updated releases are not available. The name of the patch is 64c0155abb88e714198241d41b918cefc0d5a42a. It is advisable to implement a patch to correct this issue.
Severity
6.3 (Medium)
CVSS:4.0/AV:N/AC:H/AT:N/PR:N/UI:N/VC:N/VI:L/VA:N/SC:N/SI:N/SA:N/E:X
3.7 (Low)
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:L/A:N/E:X/RL:O/RC:C
3.7 (Low)
CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:L/A:N/E:X/RL:O/RC:C
SSVC
Exploitation: none Automatable: no Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-10-19 15:35 UTC
CWE
  • CWE-295 - Improper Certificate Validation
  • CWE-287 - Improper Authentication
Assigner
VulDB CNA under the mitre root
CNA scorecard B 82/100 over 3913 records in the last 180 days details
References
Impacted products
Vendor Product Version
TufayelLUS TikTok-Video-Downloader-PHP Affected: c4230497bb23dd9c1f81456fe8a982d951feac0d
    cpe:2.3:a:tufayellus:tiktok-video-downloader-php:*:*:*:*:*:*:*:*
Create a notification for this product.
Credits
NeoWSY (VulDB User)
Show details on NVD website
To clipboard 

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CVE-2026-112105 (GCVE-0-2026-112105)

Vulnerability from cvelistv5 – Published: 2026-10-19 10:30 – Updated: 2026-10-19 18:41 X_Open Source
VLAI
Title
GlitterWare Passy TLS main.dart MyHttpOverrides certificate validation
Summary
A vulnerability has been found in GlitterWare Passy up to 1.10.1. The affected element is the function MyHttpOverrides in the library lib/main.dart of the component TLS Handler. Such manipulation leads to improper certificate validation. The attack may be launched remotely. This attack is characterized by high complexity. The exploitability is described as difficult. Upgrading to version 1.10.2 is sufficient to fix this issue. The name of the patch is 3d48df7cce05e39fa4de1e42768492307f26882e. The affected component should be upgraded.
Severity
6.3 (Medium)
CVSS:4.0/AV:N/AC:H/AT:N/PR:N/UI:N/VC:N/VI:L/VA:N/SC:N/SI:N/SA:N/E:X
3.7 (Low)
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:L/A:N/E:X/RL:O/RC:C
3.7 (Low)
CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:L/A:N/E:X/RL:O/RC:C
SSVC
Exploitation: none Automatable: no Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-10-19 18:41 UTC
CWE
  • CWE-295 - Improper Certificate Validation
  • CWE-287 - Improper Authentication
Assigner
VulDB CNA under the mitre root
CNA scorecard B 82/100 over 3913 records in the last 180 days details
References
Impacted products
Vendor Product Version
GlitterWare Passy Affected: 1.10.0
Affected: 1.10.1
Unaffected: 1.10.2
    cpe:2.3:a:passy:passy:*:*:*:*:*:*:*:*
Create a notification for this product.
Credits
NeoWSY (VulDB User)
Show details on NVD website
To clipboard 

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CVE-2026-112103 (GCVE-0-2026-112103)

Vulnerability from cvelistv5 – Published: 2026-10-19 10:00 – Updated: 2026-10-19 12:46 X_Open Source
VLAI
Title
f3-factory fatfree-core HTTP Client web.php _curl certificate validation
Summary
A vulnerability has been found in f3-factory fatfree-core up to 3.9.2. This vulnerability affects the function _curl of the file web.php of the component HTTP Client. Such manipulation leads to improper certificate validation. The attack may be performed from remote. Attacks of this nature are highly complex. It is stated that the exploitability is difficult. Upgrading to version 3.9.3 is able to resolve this issue. The name of the patch is a2c755c8dc9ad0eb7d5fd261b09aff90f649433c. You should upgrade the affected component. The vendor was contacted early, responded in a very professional manner and quickly released a fixed version of the affected product.
Severity
6.3 (Medium)
CVSS:4.0/AV:N/AC:H/AT:N/PR:N/UI:N/VC:N/VI:L/VA:N/SC:N/SI:N/SA:N/E:X
3.7 (Low)
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:L/A:N/E:X/RL:O/RC:C
3.7 (Low)
CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:L/A:N/E:X/RL:O/RC:C
SSVC
Exploitation: none Automatable: no Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-10-19 12:45 UTC
CWE
  • CWE-295 - Improper Certificate Validation
  • CWE-287 - Improper Authentication
Assigner
VulDB CNA under the mitre root
CNA scorecard B 82/100 over 3913 records in the last 180 days details
References
Impacted products
Vendor Product Version
f3-factory fatfree-core Affected: 3.9.0
Affected: 3.9.1
Affected: 3.9.2
Unaffected: 3.9.3
    cpe:2.3:a:f3-factory:fatfree-core:*:*:*:*:*:*:*:*
Create a notification for this product.
Credits
NeoWSY (VulDB User) VulDB CNA Team
Show details on NVD website
To clipboard 

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CVE-2026-112037 (GCVE-0-2026-112037)

Vulnerability from cvelistv5 – Published: 2026-10-19 01:00 – Updated: 2026-10-19 17:49
VLAI
Title
diem-project diem Google Analytics Client gapi.class.php certificate validation
Summary
A flaw has been found in diem-project diem up to 116974edfb9a5b8bd69cb13586dc62bcdbb485ad. Affected is an unknown function of the file dmCorePlugin/lib/vendor/gapi/gapi.class.php of the component Google Analytics Client. 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 published and may be used. This product operates on a rolling release basis, ensuring continuous delivery. Consequently, there are no version details for either affected or updated releases. The project was informed of the problem early through an issue report but has not responded yet.
Severity
6.3 (Medium)
CVSS:4.0/AV:N/AC:H/AT:N/PR:N/UI:N/VC:N/VI:L/VA:N/SC:N/SI:N/SA:N/E:P
3.7 (Low)
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:L/A:N/E:P/RL:X/RC:C
3.7 (Low)
CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:L/A:N/E:P/RL:X/RC:C
SSVC
Exploitation: poc Automatable: no Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-10-19 17:49 UTC
CWE
  • CWE-295 - Improper Certificate Validation
  • CWE-287 - Improper Authentication
Assigner
VulDB CNA under the mitre root
CNA scorecard B 82/100 over 3913 records in the last 180 days details
References
Impacted products
Vendor Product Version
diem-project diem Affected: 116974edfb9a5b8bd69cb13586dc62bcdbb485ad
    cpe:2.3:a:diem-project:diem:*:*:*:*:*:*:*:*
Create a notification for this product.
Credits
gscsd (VulDB User) VulDB CNA Team
Show details on NVD website
To clipboard 

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CVE-2026-112006 (GCVE-0-2026-112006)

Vulnerability from cvelistv5 – Published: 2026-10-18 11:38 – Updated: 2026-10-19 15:59
VLAI
Title
OpenTelemetry opentelemetry-exporter-otlp-proto-http 1.5.0 before 1.45.0 Improper Certificate Validation
Summary
OpenTelemetry opentelemetry-exporter-otlp-proto-http 1.5.0 before 1.45.0 contains an improper certificate validation vulnerability that disables TLS verification when OTEL_EXPORTER_OTLP_CERTIFICATE variables are empty strings. Man-in-the-middle attackers can impersonate the collector to read or alter exported traces, metrics, and logs, including authentication headers from OTEL_EXPORTER_OTLP_HEADERS.
Severity
8.3 (High)
CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:N/VC:H/VI:L/VA:N/SC:N/SI:N/SA:N
6.5 (Medium)
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:L/A:N
SSVC
Exploitation: none Automatable: no Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-10-19 15:58 UTC
CWE
  • CWE-295 - Improper Certificate Validation
Assigner
VulnCheck CNA under the mitre root
CNA scorecard B 84/100 over 6503 records in the last 180 days details
References
Impacted products
Vendor Product Version
OpenTelemetry opentelemetry-exporter-otlp-proto-http Affected: 1.5.0 , < 1.45.0 (semver)
    cpe:2.3:a:opentelemetry:opentelemetry.exporter.opentelemetryprotocol:*:*:*:*:*:*:*:*
Create a notification for this product.
Date Public
2026-09-25 00:00
Credits
Fawwaz Musaffa
Show details on NVD website
To clipboard 

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CVE-2026-109423 (GCVE-0-2026-109423)

Vulnerability from cvelistv5 – Published: 2026-10-12 19:34 – Updated: 2026-10-15 13:42
VLAI
Title
NetEase Cloud Music TLS Certificate Validation Bypass
Summary
NetEase Cloud Music client for Windows (cloudmusic.exe) versions 3.1.38 and 3.1.39.205426 contains a TLS certificate validation vulnerability that allows a network-adjacent attacker to intercept and decrypt HTTPS traffic by failing to validate the server certificate chain, verify the hostname, or consult any Windows certificate trust store. Attackers can perform a man-in-the-middle attack using a rogue certificate authority to decrypt traffic, capture the MUSIC_U session credential sent in authenticated API requests, and modify server responses in transit, enabling account takeover and transport-layer response forgery.
Severity
9.1 (Critical)
CVSS:4.0/AV:N/AC:H/AT:N/PR:N/UI:N/VC:H/VI:H/VA:N/SC:N/SI:N/SA:N
7.4 (High)
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:N
SSVC
Exploitation: none Automatable: no Technical Impact: total
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-10-15 13:42 UTC
CWE
  • CWE-295 - Improper Certificate Validation
Assigner
VulnCheck CNA under the mitre root
CNA scorecard B 84/100 over 6503 records in the last 180 days details
References
Impacted products
Vendor Product Version
NetEase NetEase Cloud Music for Windows Affected: 3.1.38 (custom)
Affected: 3.1.39.205426 (custom)
Create a notification for this product.
Date Public
2026-09-29 00:00
Credits
LeoWSY-hashblue
Show details on NVD website
To clipboard 

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CVE-2026-109399 (GCVE-0-2026-109399)

Vulnerability from cvelistv5 – Published: 2026-10-12 15:16 – Updated: 2026-10-18 12:03
VLAI
Title
SWUpdate through 2026.05.1 CMS Signature Verification Bypass via Embedded Intermediates
Summary
SWUpdate through 2026.05.1 contains an improper certificate validation vulnerability in crypto/swupdate_cms_verify_openssl.c that trusts untrusted X.509 certificates embedded in CMS SignedData for chain building. Attackers holding a signing key from a sibling intermediate under the same root can embed that intermediate in the signature to install malicious updates.
Severity
9.2 (Critical)
CVSS:4.0/AV:N/AC:H/AT:P/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N
8.1 (High)
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H
SSVC
Exploitation: none Automatable: no Technical Impact: total
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-10-18 11:47 UTC
CWE
  • CWE-295 - Improper Certificate Validation
Assigner
VulnCheck CNA under the mitre root
CNA scorecard B 84/100 over 6503 records in the last 180 days details
References
Impacted products
Vendor Product Version
sbabic swupdate Affected: 0 , ≤ 2026.05.1 (custom)
    cpe:2.3:a:swupdate:swupdate:*:*:*:*:*:*:*:*
Create a notification for this product.
Date Public
2026-02-11 08:00
Credits
David Gstir (sigma star gmbh) Richard Weinberger (sigma star gmbh)
Show details on NVD website
To clipboard 

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CVE-2026-109383 (GCVE-0-2026-109383)

Vulnerability from cvelistv5 – Published: 2026-10-15 18:34 – Updated: 2026-10-16 20:03
VLAI
Title
undici vulnerable to TLS certificate validation bypass via dropped tls options in Agent
Summary
undici is an HTTP client library for Node.js. In versions 4.0.0 through 6.29.0, 7.0.0 through 7.30.0, and 8.0.0 through 8.12.1, its Agent dispatcher passes its constructor options through a JSON-based deep clone before forwarding them to each per-origin pool, and because JSON cannot represent functions, a caller-supplied tls option containing a checkServerIdentity callback is silently dropped before it reaches the TLS layer. As a result, a TLS peer whose certificate a custom checkServerIdentity was written to reject, but which passes Node's default hostname and chain checks, is silently accepted. Because Agent is the default dispatcher behind request, fetch, and setGlobalDispatcher, this affects the path most applications use, and EnvHttpProxyAgent is affected on its direct and no-proxy routes as well, while only applications that pass a function-valued tls option such as a custom checkServerIdentity for certificate or public-key pinning are at risk. The issue is fixed in undici 6.29.1, 7.30.1, and 8.12.2, which preserve the tls option outside the JSON clone so custom verification callbacks are forwarded unchanged, and users should upgrade to one of those versions or later. As a workaround, pass the TLS options through connect instead of tls, or for proxied destinations use requestTls and proxyTls.
Severity
7.4 (High)
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:N
SSVC
Exploitation: none Automatable: no Technical Impact: total
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-10-16 20:03 UTC
CWE
  • CWE-295 - Improper Certificate Validation
Assigner
openjs CNA under the redhat root
CNA scorecard C 65/100 over 110 records in the last 180 days details
References
Impacted products
Vendor Product Version
undici undici Affected: 4.0.0 , < 6.29.1 (semver)
Unaffected: 6.29.1 (semver)
Affected: 7.0.0 , < 7.30.1 (semver)
Unaffected: 7.30.1 (semver)
Affected: 8.0.0 , < 8.12.2 (semver)
Unaffected: 8.12.2 (semver)
Create a notification for this product.
Credits
euriconicacio mcollina UlisesGascon BlueN0r ksanjeev284
Show details on NVD website
To clipboard 

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CVE-2026-109245 (GCVE-0-2026-109245)

Vulnerability from cvelistv5 – Published: 2026-10-12 16:04 – Updated: 2026-10-13 18:01
VLAI
Title
FreeRDP 3.0.0 before 3.32.0 Improper Certificate Validation in freerdp_http_request
Summary
FreeRDP 3.0.0 before 3.32.0 contains an improper certificate validation vulnerability in freerdp_http_request() in libfreerdp/utils/http.c that completes TLS handshakes without verifying the server certificate chain. On-path attackers can impersonate login.microsoftonline.com in the Azure AD authentication flow to capture OAuth authorization codes and substitute the OpenID discovery document.
Severity
7.4 (High)
CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:A/VC:H/VI:H/VA:N/SC:N/SI:N/SA:N
6.8 (Medium)
CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:H/I:H/A:N
SSVC
Exploitation: poc Automatable: no Technical Impact: total
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-10-13 18:00 UTC
CWE
  • CWE-295 - Improper Certificate Validation
Assigner
VulnCheck CNA under the mitre root
CNA scorecard B 84/100 over 6503 records in the last 180 days details
References
Impacted products
Vendor Product Version
FreeRDP FreeRDP Affected: 3.0.0 , < 3.32.0 (semver)
Unaffected: 3.32.0 (semver)
    cpe:2.3:a:freerdp:freerdp:*:*:*:*:*:*:*:*
Create a notification for this product.
Date Public
2026-09-28 00:00
Credits
DavidKorczynski
Show details on NVD website
To clipboard 

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CVE-2026-108185 (GCVE-0-2026-108185)

Vulnerability from cvelistv5 – Published: 2026-10-13 14:29 – Updated: 2026-10-15 19:14
VLAI
Summary
Improper certificate validation in the My Notes feature of certain Zoom Clients may allow an unauthenticated user to conduct an information disclosure via network access.
Severity
7.4 (High)
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:N
SSVC
Exploitation: none Automatable: no Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-10-15 17:34 UTC
CWE
  • CWE-295 - Improper certificate validation
Assigner
Zoom CNA under the mitre root
CNA scorecard C 60/100 over 18 records in the last 180 days details
References
Impacted products
Vendor Product Version
Zoom Communications Zoom Clients Affected: see references (custom)
Create a notification for this product.
Date Public
2026-10-13 12:00
Show details on NVD website
To clipboard 

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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.

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