USN-8540-1 openvpn vulnerabilities

It was discovered that OpenVPN had a 1-byte buffer overrun when handling NTLMv2 proxy responses. An attacker could use this issue to cause a denial of service or possibly execute arbitrary code. This issue only affected Ubuntu 24.04 LTS and Ubuntu 26.04 LTS. CVE-2026-11771 It was discovered that...

CVE-2026-55954 Missing ID token claim validation in ueberauth_apple allows account takeover

Authentication Bypass by Spoofing vulnerability in ueberauth ueberauthapple allows account takeover via unvalidated ID token claims. The Ueberauth.Strategy.Apple.Token.payload/2 function verifies the JWT signature of the callback idtoken against Apple's JWKS but does not validate any registered...

CVE-2026-58476

Sustainable Irrigation Platform (SIP) 5.2.16 is affected by a CSRF vulnerability that allows a remote attacker to trigger state-changing administrative actions by enticing a logged-in administrator to visit a malicious page. The issue arises because HTTP GET requests lack CSRF token validation or...

CVE-2026-55040: Microsoft SharePoint JWT Token Authentication Bypass (FIXED)

Overview Rapid7 Labs conducted a zero-day research project against Microsoft SharePoint, resulting in the discovery of two new vulnerabilities that, when chained together, achieve unauthenticated remote code execution RCE against a vulnerable SharePoint server. Today, both Rapid7 and Microsoft ar...

CVE-2026-56877

The SCORM lab launch endpoint in Skillable scorm.skillable.com through 2026-07-13 does not validate the client-supplied userId parameter against the authenticated SCORM session token. An authenticated user can substitute arbitrary userId values to bypass per-user lab launch rate limits and consum...

CVE-2026-56665

ZITADEL is an open source identity management platform. Prior to 3.4.12 and 4.15.2, ZITADEL is an open source identity management platform. From 3.0.0-rc.1 through 3.4.11 and from 4.0.0-rc.1 through 4.15.1, ZITADEL's external JWT Identity Provider validation in internal/idp/providers/jwt/session....

CVE-2026-56668

ZITADEL is an open source identity management platform. Prior to 4.15.3, ZITADEL's OAuth2 Token Exchange endpoint for urn:ietf:params:oauth:grant-type:token-exchange does not verify that the subject token belongs to the requesting client or that requested scopes remain within the original token's...

EUVD-2026-42963

ZITADEL is an open source identity management platform. Prior to 3.4.12 and 4.15.2, ZITADEL is an open source identity management platform. From 3.0.0-rc.1 through 3.4.11 and from 4.0.0-rc.1 through 4.15.1, ZITADEL's external JWT Identity Provider validation in internal/idp/providers/jwt/session....

EUVD-2026-42962

ZITADEL is an open source identity management platform. Prior to 3.4.12 and 4.15.2, ZITADEL's external JWT Identity Provider validation in internal/idp/providers/jwt/session.go skips the maximum token age freshness check when an incoming token omits the iat claim, allowing arbitrarily old tokens...

CVE-2026-56664 ZITADEL: Missing Token Lifecyle Validation (`exp` and `iat`) in JWT IdP Provider

ZITADEL is an open source identity management platform. Prior to 3.4.12 and 4.15.2, ZITADEL's external JWT Identity Provider validation in internal/idp/providers/jwt/session.go skips the maximum token age freshness check when an incoming token omits the iat claim, allowing arbitrarily old tokens...

CVE-2026-55669 ZITADEL: Missing Token Audience Validation (`aud`) in JWT IdP Provider

ZITADEL is an open source identity management platform. Prior to 3.4.12 and 4.15.2, ZITADEL's external JWT Identity Provider validates a token's signature and issuer iss but not the audience aud claim, allowing a validly signed token from a trusted issuer for another relying party to be accepted ...

CVE-2026-54781

CoreWCF is a port of the service side of Windows Communication Foundation WCF to .NET Core. Prior to 1.8.1 and 1.9.1, CoreWCF SAML token validation does not enforce SubjectConfirmation method URIs or holder-of-key proof keys in SamlSecurityTokenHandler, allowing holder-of-key downgrade or custom...

CVE-2026-49229

Actual is a local-first personal finance app. Prior to 26.6.0, in OpenID multi-user mode, disabling a user only blocks future OpenID login for that identity, while existing Actual session tokens for the disabled user remain valid. The shared session validation path accepts any existing token row...

PYSEC-2026-1915 Sentry vulnerable to incorrect credential validation on OAuth token requests

Impact An attacker with sufficient client-side exploits could retrieve a valid access token for another user during the OAuth token exchange due to incorrect credential validation. The client ID must be known and the API application must have already been authorized on the targeted user account...

CVE-2026-32718 Coolify read-scoped API tokens can perform state-changing validation operations

Coolify is an open-source and self-hostable tool for managing servers, applications, and databases. Prior to 4.0.0-beta.466, mutating API validation endpoints are guarded by read ability, allowing read-scoped API tokens to perform state-changing operations such as validating cloud tokens and...

EUVD-2026-37817

Steeltoe's static JWKS cache shared across schemes and never invalidated...

CVE-2026-14336

The connected documents confirm CVE-2026-14336 affects PIA’s OIDC issuer allowlist for Jenkins tokens. The issue is a faulty host-bounded URL validation: issuer.startswith(' https://ci.eclipse.org ') is used in is_issuer_known (pia/models.py:139) instead of properly validating the issuer as a hos...

PT-2026-57584

Name of the Vulnerable Software and Affected Versions OpenVPN versions 2.1.0 through 2.6.20 OpenVPN versions 2.7 alpha1 through 2.7.4 Description An off-by-one buffer write occurs during NTLM proxy authentication. This 1-byte buffer overrun can be triggered by a malicious proxy server sending a...

CVE-2026-58399

@acastellon/auth is an authentication control system for microservices. Versions prior to 2.3.0 appear 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...

CVE-2026-58399

@acastellon/auth is an authentication control system for microservices. Versions prior to 2.3.0 appear 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...