security
Articles about security from the Skycloak team.
What Is Account Takeover (ATO)? How SaaS Teams Detect and Prevent It
Account takeover (ATO) means an attacker controls a real user's account. How it differs from a breach, the seven entry…
14 min read
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…
12 min read
What Is Credential Stuffing? Vs Brute Force, and How to Stop It
Credential stuffing replays leaked username and password pairs against your login. How it differs from brute force, what to watch…
7 min read
Session Hijacking: Why MFA Doesn’t Save a Stolen Session
Session hijacking uses a stolen cookie or token, so MFA never fires. How infostealers do it, what limits the damage,…
8 min read
Better Auth 1.7.7: OAuth State vs Magic-Link Tokens
Better Auth 1.7.7 stops OAuth state values being redeemed as magic-link tokens. What went wrong, how to upgrade, and how…
11 min read
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…
13 min read
MCP Python SDK OAuth Flaw: Pin the Issuer on Keycloak
MCP OAuth flaw GHSA-qx49-fqc8-xw99: a malicious server could steal client secrets and PKCE verifiers from the MCP Python SDK. Upgrade,…
12 min read
JADEPUFFER and Storm-3168: Retire Static Keycloak Secrets
Storm-3168 (JADEPUFFER) wiped Azure resources with compromised service principals. How the same client secret risk looks on Keycloak, and how…
12 min read
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…
10 min read
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.…
11 min read
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