CVE-2026-59096 Dapr - OIDC Discovery Issuer and JWKS URI Injection via Unvalidated X-Forwarded-Host

Dapr Sentry's OIDC discovery endpoint derives the issuer and jwksuri of the /.well-known/openid-configuration document from the request Host, honoring an attacker-controlled X-Forwarded-Host header without validation when no allowed-hosts list is configured the default, and serves the document wi...

Exploit for Improper Verification of Cryptographic Signature in Simple-Help Simplehelp

CVE-2026-48558: SimpleHelp OIDC Authentication Bypass !WAR...

CVE-2026-14336

PIA's OIDC issuer allowlist for Jenkins tokens uses a bare string-prefix check issuer.startswith' https://ci.eclipse.org ' in isissuerknown, pia/models.py:139 instead of validating the issuer as a properly host-bounded URL. An attacker can craft an issuer such as https://[email protected]...

CVE-2026-14336

PIA's OIDC issuer allowlist for Jenkins tokens uses a bare string-prefix check issuer.startswith' https://ci.eclipse.org ' in isissuerknown, pia/models.py:139 instead of validating the issuer as a properly host-bounded URL. An attacker can craft an issuer such as https://[email protected]...

EUVD-2026-41259

PIA's OIDC issuer allowlist for Jenkins tokens uses a bare string-prefix check issuer.startswith' https://ci.eclipse.org ' in isissuerknown, pia/models.py:139 instead of validating the issuer as a properly host-bounded URL. An attacker can craft an issuer such as https://[email protected]...

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...

[SECURITY] Fedora 43 Update: opkssh-0.14.0-3.fc43

OpenPubkey SSH is a tool which enables ssh to be used with OpenID Connect allowing SSH access to be managed via identities like aliceaexample.com ins tead of long-lived SSH keys...

[SECURITY] Fedora 44 Update: opkssh-0.14.0-3.fc44

OpenPubkey SSH is a tool which enables ssh to be used with OpenID Connect allowing SSH access to be managed via identities like aliceaexample.com ins tead of long-lived SSH keys...

PT-2026-54948

Name of the Vulnerable Software and Affected Versions PIA affected versions not specified Description The OIDC issuer allowlist for Jenkins tokens uses a bare string-prefix check instead of validating the issuer as a properly host-bounded URL. This allows an attacker to bypass the check using a...

Fulcio has OIDC Discovery Redirect Following Allows SSRF and JWKS Substitution for Meta-Issuer Paths, with Kubernetes Service-Account Token Leakage

Impact Three security vulnerabilities were identified in the OIDC Discovery client: 1. Blind Server-Side Request Forgery SSRF via Cross-Host Redirects: Fulcio uses an HTTP client to fetch OIDC discovery metadata /.well-known/openid-configuration. Prior to this fix, if a configured issuer returned...

The vulnerability of the openid-connect plugin for the Apache APISIX cloud API gateway allows attackers to perform spear-phishing attacks.

The vulnerability of the openid-connect plugin for the Apache APISIX cloud API gateway is related to insufficient verification of data authenticity when processing identification headers. Exploiting this vulnerability could allow attackers to perform spear-phishing attacks remotely...

Flask-AppBuilder vulnerable to incorrect authentication when using auth type OpenID

ImpactWhen Flask-AppBuilder is set to AUTHTYPE AUTHOID, allows an attacker to forge an HTTP request, that could deceive the backend into using any requested OpenID service. This vulnerability could grant an attacker unauthorised privilege access if a custom OpenID service is deployed by the...

PYSEC-2026-340 Flask-AppBuilder vulnerable to incorrect authentication when using auth type OpenID

Impact When Flask-AppBuilder is set to AUTHTYPE AUTHOID, allows an attacker to forge an HTTP request, that could deceive the backend into using any requested OpenID service. This vulnerability could grant an attacker unauthorised privilege access if a custom OpenID service is deployed by the...

VulnCheck KEV: CVE-2026-48558

SimpleHelp contains an authentication bypass vulnerability in the OIDC authentication flow. When OIDC authentication is configured, identity tokens submitted during login are accepted without verifying their cryptographic signature. In a vulnerable configuration, a remote, unauthenticated attacke...

PT-2026-53431

Impact When Flask-AppBuilder is set to AUTH TYPE AUTH OID, allows an attacker to forge an HTTP request, that could deceive the backend into using any requested OpenID service. This vulnerability could grant an attacker unauthorised privilege access if a custom OpenID service is deployed by the...

SimpleHelp Authentication Bypass Vulnerability

SimpleHelp contains an authentication bypass vulnerability in the OIDC authentication flow. When OIDC authentication is configured, identity tokens submitted during login are accepted without verifying their cryptographic signature. In a vulnerable configuration, a remote, unauthenticated attacke...

GO-2026-5557 Note Mark: OIDC-registered users authenticated by submitting password "null" in github.com/enchant97/note-mark/backend

Note Mark: OIDC-registered users authenticated by submitting password "null" in github.com/enchant97/note-mark/backend...

GO-2026-5423 OpenFGA: OIDC audience validation skipped when --authn-oidc-audience is unset in github.com/openfga/openfga

OpenFGA: OIDC audience validation skipped when --authn-oidc-audience is unset in github.com/openfga/openfga...

GO-2026-5364 Oxia has an OIDC token audience validation bypass via SkipClientIDCheck in github.com/oxia-db/oxia

Oxia has an OIDC token audience validation bypass via SkipClientIDCheck in github.com/oxia-db/oxia...

GO-2026-5273 MCP Registry's GitHub OIDC tokens are replayable across registry deployments due to shared audience in github.com/modelcontextprotocol/registry

MCP Registry's GitHub OIDC tokens are replayable across registry deployments due to shared audience in github.com/modelcontextprotocol/registry...