CVE-2026-39999 Apache APISIX: JWT Algorithm Confusion allows authentication bypass

Authentication Bypass by Spoofing vulnerability in Apache APISIX. The attacker can completely bypass authentication capitalising on certain configurations of jwt-auth plugin. This issue affects Apache APISIX: from v2.2 through v3.16.0. Users are recommended to upgrade to version v3.17.0, which...

CVE-2026-50242

In JetBrains Hub before 2026.1.13757, 2025.3.148033, 2025.2.148048, 2025.1.148120, 2024.3.148430, 2024.2.148429 authentication bypass via direct database access leading to administrative access was possible...

CVE-2026-50242

In JetBrains Hub before 2026.1.13757, 2025.3.148033, 2025.2.148048, 2025.1.148120, 2024.3.148430, 2024.2.148429 authentication bypass via direct database access leading to administrative access was possible...

EUVD-2026-38008

In JetBrains Hub before 2026.1.13757, 2025.3.148033, 2025.2.148048, 2025.1.148120, 2024.3.148430, 2024.2.148429 authentication bypass via direct database access leading to administrative access was possible...

CVE-2026-50242

JetBrains Hub is affected by an authentication bypass vulnerability in versions listed (before 2026.1.13757; 2025.3.148033; 2025.2.148048; 2025.1.148120; 2024.3.148430; 2024.2.148429). The issue allows bypass via direct database access, leading to administrative access. The CVSS metrics indicate ...

PT-2026-50895

Name of the Vulnerable Software and Affected Versions Apache APISIX versions 3.8.0 through 3.16.0 Description Improper Validation of Integrity Check Value in the jwe-decrypt plugin under default configuration allows for authentication bypass. Recommendations Upgrade to version 3.17.0...

PT-2026-50887

Name of the Vulnerable Software and Affected Versions Apache APISIX versions 3.11.0 through 3.16.0 Description An authentication bypass exists due to a capture-replay issue. An attacker can leverage specific configurations in the hmac-auth module to reuse a token indefinitely, effectively bypassi...

PT-2026-50873

Name of the Vulnerable Software and Affected Versions JetBrains Hub versions prior to 2026.1.13757 JetBrains Hub versions prior to 2025.3.148033 JetBrains Hub versions prior to 2025.2.148048 JetBrains Hub versions prior to 2025.1.148120 JetBrains Hub versions prior to 2024.3.148430 JetBrains Hub...

PT-2026-50896

Name of the Vulnerable Software and Affected Versions Apache APISIX versions 3.5.0 through 3.16.0 Description An authentication bypass issue exists in the opa plugin. An attacker can relay spoofed identity headers to upstream services by exploiting non-default configurations in the opa plugin,...

PT-2026-51036

Name of the Vulnerable Software and Affected Versions Cap-go versions prior to 12.128.2 Description An authentication bypass exists in the OTP One-Time Password verification process. Attackers can intercept OTP verification requests and manipulate HTTP responses to falsely indicate that...

PT-2026-50880

Name of the Vulnerable Software and Affected Versions Apache APISIX versions 2.2 through 3.16.0 Description An authentication bypass by spoofing exists in the jwt-auth plugin. This flaw allows an attacker to completely bypass authentication by using a spoofed token when certain configurations of...

CVE-2026-49454 Relyra SAML SignatureValue not cryptographically verified -> authentication bypass

Relyra is a strict-by-default SAML 2.0 Service Provider library for Elixir and Phoenix. Versions 1.0.0 and 1.1.0 accept forged SAML signatures because SignatureValue was not cryptographically verified before the library returned a successful authentication result. The XMLDSig trust boundary was...

CVE-2026-49454

Relyra (Elixir/Phoenix SAML SP) versions 1.0.0 and 1.1.0 are affected by an authentication bypass due to forged SignatureValue not being cryptographically verified in SAML 2.0 processing. The XMLDSig trust boundary was incomplete: :public_key.verify over the exclusive-C14N SignedInfo was not chec...

@acastellon/auth: Authentication bypass via spoofable headers in validateToken()

@acastellon/auth v2.2.0 appears to allow an unauthenticated authentication bypass in validateToken through spoofable auth-user and Host request headers. The validateToken middleware contains a service-to-service bypass for auth-user: service-brother when req.get'host'.startsWithgetHostName. Both...

GHSA-GFJ5-979R-92PW @acastellon/auth: Authentication bypass via spoofable headers in validateToken()

@acastellon/auth v2.2.0 appears to allow an unauthenticated authentication bypass in validateToken through spoofable auth-user and Host request headers. The validateToken middleware contains a service-to-service bypass for auth-user: service-brother when req.get'host'.startsWithgetHostName. Both...

CVE-2026-56020 Webmin HTTP header authentication bypass

The Webmin HTTP server miniserv.pl allows unauthenticated attackers to impersonate any user with a configured SSL client certificate by sending a forged HTTP header. A remote attacker can spoof certificate DNs and authenticate as any user. Fixed in 2.202...

CVE-2026-56022 Webmin MFA bypass

Webmin accepts basic authentication without session cookies when an attacker provides the 'User-Agent: webmin' header, allowing bypass of additional MFA requirements. Fixed in 2.640...

CVE-2026-56022

Webmin accepts basic authentication without session cookies when an attacker provides the 'User-Agent: webmin' header, allowing bypass of additional MFA requirements. Fixed in 2.641...

MCP Toolbox for Databases: authenticated authorization bypass

An authenticated authorization bypass vulnerability exists in MCP Toolbox for Databases due to missing scope enforcement across older protocol handlers. While the 2025-11-25 protocol version handler correctly enforces per-tool restrictions defined by scopesRequired, older supported protocol...

GHSA-WCPR-6G7X-P44R googleapis/mcp-toolbox: authentication bypass vulnerability in the generic opaque token validation path (validateOpaqueToken)

An authentication bypass vulnerability exists in the generic opaque token validation path validateOpaqueToken of googleapis/mcp-toolbox. When the toolbox validates an opaque token via an OAuth 2.0 introspection endpoint RFC 7662, it decodes the response into an introspectResp struct. However, the...