CVE-2026-40942

The DSF vulnerability CVE-2026-40942 affects the OIDC JWKS and Metadata Document caches (and the OIDC token cache for FHIR client connections) prior to version 2.1.0, where an inverted time comparison (isBefore vs isAfter) caused the cache to never return cached values and never invalidate, resul...

CVE-2026-40939 DSF: Missing Session Timeout for OIDC Sessions

The Data Sharing Framework DSF implements a distributed process engine based on the BPMN 2.0 and FHIR R4 standards. Prior to 2.1.0, OIDC-authenticated sessions had no configured maximum inactivity timeout. Sessions persisted indefinitely after login, even after the OIDC access token expired. This...

Oxia exposes bearer token in debug log messages on authentication failure

Summary When OIDC authentication fails, the full bearer token is logged at DEBUG level in plaintext. If debug logging is enabled in production, JWT tokens are exposed in application logs and any connected log aggregation system. Impact An attacker with access to application logs e.g., via a...

Improper Verification of Cryptographic Signature

Overview Affected versions of this package are vulnerable to Improper Verification of Cryptographic Signature in the authentication for Google OIDC tokens in the GCR Receiver webhook endpoint. An attacker can trigger unauthorized reconciliation of resources by presenting any valid Google-issued...

CVE-2026-40109

Flux notification-controller is the event forwarder and notification dispatcher for the GitOps Toolkit controllers. Prior to 1.8.3, the gcr Receiver type in Flux notification-controller does not validate the email claim of Google OIDC tokens used for Pub/Sub push authentication. This allows any...

CVE-2026-40109 Flux notification-controller GCR Receiver missing email validation allows unauthorized reconciliation triggering

Flux notification-controller is the event forwarder and notification dispatcher for the GitOps Toolkit controllers. Prior to 1.8.3, the gcr Receiver type in Flux notification-controller does not validate the email claim of Google OIDC tokens used for Pub/Sub push authentication. This allows any...

CVE-2026-40109

CVE-2026-40109 affects Flux notification-controller (GitOps Toolkit) prior to version 1.8.3. The vulnerability lies in the gcr Receiver type not validating the email claim of Google OIDC tokens used for Pub/Sub push authentication, allowing any valid Google-issued token to authenticate against th...

CVE-2026-31946 OpenOLAT: Authentication bypass via forged JWT in OIDC implicit flow

OpenOlat is an open source web-based e-learning platform for teaching, learning, assessment and communication. From version 10.5.4 to before version 20.2.5, OpenOLAT's OpenID Connect implicit flow implementation does not verify JWT signatures. The JSONWebToken.parse method silently discards the...

CVE-2026-33758 OpenBao has Reflected XSS in its OIDC authentication error message

OpenBao is an open source identity-based secrets management system. Prior to version 2.5.2, OpenBao installations that have an OIDC/JWT authentication method enabled and a role with callbackmode=direct configured are vulnerable to XSS via the errordescription parameter on the page for a failed...

BIT-MINIO-2026-33322 MinIO: JWT Algorithm Confusion in OIDC Authentication

MinIO is a high-performance object storage system. From 2022.11.08 to before 2026.03.17, a JWT algorithm confusion vulnerability in MinIO's OpenID Connect authentication allows an attacker who knows the OIDC ClientSecret to forge arbitrary identity tokens and obtain S3 credentials with any policy...

CVE-2026-33322

MinIO is a high-performance object storage system. From RELEASE.2022-11-08T05-27-07Z to before RELEASE.2026-03-17T21-25-16Z, a JWT algorithm confusion vulnerability in MinIO's OpenID Connect authentication allows an attacker who knows the OIDC ClientSecret to forge arbitrary identity tokens and...

CVE-2026-33322

CVE-2026-33322 (MinIO) is a JWT algorithm confusion vulnerability in MinIO’s OpenID Connect authentication. From RELEASE.2022-11-08T05-27-07Z up to but not including RELEASE.2026-03-17T21-25-16Z, an attacker who knows the OIDC ClientSecret can forge arbitrary identity tokens and obtain S3 credent...

CVE-2026-33132

ZITADEL is an open source identity management platform. Versions prior to 3.4.9 and 4.0.0 through 4.12.2 allowed users to bypass organization enforcement during authentication. Zitadel allows applications to enforce an organzation context during authentication using scopes urn:zitadel:iam:org:id:...

CVE-2026-33132 ZITADEL is missing enforcement of organization scopes

ZITADEL is an open source identity management platform. Versions prior to 3.4.9 and 4.0.0 through 4.12.2 allowed users to bypass organization enforcement during authentication. Zitadel allows applications to enforce an organzation context during authentication using scopes urn:zitadel:iam:org:id:...

PT-2026-26195

Summary A vulnerability in Zitadel's OAuth2/OIDC interface, which allowed users to bypass organization enforcement during authentication. Impact Zitadel allows applications to enforce an organzation context during authentication using scopes urn:zitadel:iam:org:id:id and...

GO-2026-4688 Tinyauth vulnerable to TOTP/2FA bypass via OIDC authorize endpoint in github.com/steveiliop56/tinyauth

Tinyauth vulnerable to TOTP/2FA bypass via OIDC authorize endpoint in github.com/steveiliop56/tinyauth. NOTE: The source advisory for this report contains additional versions that could not be automatically mapped to standard Go module versions. If this is causing false-positive reports from...

CVE-2026-32246

Tinyauth is an authentication and authorization server. Prior to 5.0.3, the OIDC authorization endpoint allows users with a TOTP-pending session password verified, TOTP not yet completed to obtain authorization codes. An attacker who knows a user's password but not their TOTP secret can obtain...

CVE-2026-32235 @backstage/plugin-auth-backend: OAuth redirect URI allowlist bypass

Backstage is an open framework for building developer portals. Prior to 0.27.1, the experimental OIDC provider in @backstage/plugin-auth-backend is vulnerable to a redirect URI allowlist bypass. Instances that have enabled experimental Dynamic Client Registration or Client ID Metadata Documents a...

Missing Critical Step in Authentication

Overview Affected versions of this package are vulnerable to Missing Critical Step in Authentication via the OIDC authorize process. An attacker can gain unauthorized access to valid OIDC tokens by leveraging a session where only the password has been verified but the second authentication factor...

@backstage/plugin-auth-backend (>=0.0.0-nightly-20240122021809 <=0.22.11), @backstage/plugin-auth-backend-module-aws-alb-provider (>=0.0.0-nightly-20240126021148 <=0.4.14-next.1) +7 more potentially affected by CVE-2026-32235 via @backstage/plugin-auth-backend (>=0.0.0-nightly-20240929023448 <=0.27.1-next.2)

@backstage/plugin-auth-backend NPM version =0.0.0-nightly-20240929023448, =0.0.0-nightly-20240122021809, =0.0.0-nightly-20240126021148, =0.0.0-nightly-20240122021809, =0.0.0-nightly-2022122206, =0.0.0-nightly-2022122206, =0.0.0-nightly-2022122206, =1.0.0, =1.2.0 -...