CVE-2026-92855
A flaw was found in the SAML identity broker component of Keycloak, which is used to delegate…
- Risk score
- 49/100
- CVSS
- 7.4 v3.1
- Published
- 5 Nov 2026
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What to know
- What it is
- A flaw was found in the SAML identity broker component of Keycloak, which is used to delegate authentication to external identity providers. The issue occurs because the broker fails to verify that a user actually possesses the private key associated with a holder-of-key assertion. An attacker who intercepts a victim …
- Affected
- See advisory
- Fix
- Apply the vendor's security update; see the linked advisory.
- Exploitation
- No known exploitation
Why it is Yellow
- CVSS 7.4 high
- Remotely exploitable without logging in
References
Original description
A flaw was found in the SAML identity broker component of Keycloak, which is used to delegate authentication to external identity providers. The issue occurs because the broker fails to verify that a user actually possesses the private key associated with a holder-of-key assertion. An attacker who intercepts a victim signed assertion can replay it to gain unauthorized access and impersonate the victim without needing their private key.
Last activity 5 Nov 2026. Patch Forecast updates every hour.