Tag

cve

Articles tagged with cve.

security

Apache CXF CVE-2026-50627: JWT Audience Checks for Keycloak APIs

CVE-2026-50627 let Apache CXF skip the JWT audience claim check. Here is what every resource server must validate on Keycloak…

Guilliano MolaireGuilliano Molaire12 min read
security

OpenAM PKCE Bypass and JWKS SSRF (2026): Lessons for Keycloak OIDC Clients

OpenAM before 16.1.3 skipped PKCE on hybrid flows (CVE-2026-105119) and fetched unvalidated jwks_uri values (CVE-2026-105122). Here is the Keycloak checklist.

Guilliano MolaireGuilliano Molaire11 min read
security

CVE-2026-107121: Keycloak SMTP StartTLS Plaintext Downgrade

Keycloak 26.8.1 fixes CVE-2026-107121: realm SMTP with StartTLS on could still send credentials in plaintext. What changed, who is affected,…

Guilliano MolaireGuilliano Molaire8 min read
security

Keycloak CVE-2026-103884: X.509 CRL Path Traversal When CRL Checking Is On

CVE-2026-103884 lets a crafted client certificate steer Keycloak's X.509 CRL loader outside its conf directory. Who is exposed, the real…

Guilliano MolaireGuilliano Molaire12 min read
security

CVE-2026-5430: WSO2 JWT Bypass and Your Keycloak APIs

CVE-2026-5430 let forged JWTs past WSO2 API Manager authentication. Here is how you pin algorithms and fail closed on APIs…

Guilliano MolaireGuilliano Molaire12 min read
security

CVE-2026-100606: Flowise SSO Invite Takeover and IdP Checks

CVE-2026-100606 lets anyone who signs in with an invitee's email take over a pending Flowise Enterprise invite. How it works…

Guilliano MolaireGuilliano Molaire9 min read
security

CVE-2026-96448: Keycloak FGAP Composite Privilege Escalation

CVE-2026-96448 is a Keycloak privilege escalation: an FGAP v2 delegated admin assigns a composite role that hides realm-admin. How it…

Guilliano MolaireGuilliano Molaire11 min read
security

Keycloak 26.7.4 Security Fixes: A Self-Hosted Patch Checklist

Keycloak 26.7.4 fixes six CVEs, from a SAML memory leak to impersonation of realm admins. Which reach 26.6 and 26.4,…

Guilliano MolaireGuilliano Molaire10 min read
security

CVE-2026-19607: Keycloak Username Takeover and Account Lockout

CVE-2026-19607: a brokered login whose email matches a Keycloak username shadows that user and locks them out. Fixed in 26.7.4.…

Guilliano MolaireGuilliano Molaire11 min read
security

CVE-2026-97176: Keycloak Step-Up Authentication Bypass

CVE-2026-97176 can let Keycloak issue a token at a lower assurance level than a client's essential acr demands, skipping step-up.…

Guilliano MolaireGuilliano Molaire9 min read

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