A flaw was found in Keycloak. This issue occurs due to improperly enforcing token types when validating signatures locally. This could allow an authenticated attacker to exchange a logout token for an access token and possibly gain access to data outside of enforced permissions.
A flaw was found in Keycloak. This issue occurs due to improperly enforcing token types when validating signatures locally. This could allow an authenticated attacker to exchange a logout token for an access token and possibly gain access to data outside of enforced permissions.
| Vendor | Product | Versions |
|---|---|---|
| ? | ? | 0, 23.0.0 |
| Red Hat | Red Hat build of Keycloak 22 | 22.0.10-1 |
| Red Hat | Red Hat build of Keycloak 22 | 22-13 |
| Red Hat | Red Hat build of Keycloak 22 | 22-16 |
| Red Hat | Red Hat build of Keycloak 22.0.10 | unspecified |
| Red Hat | Red Hat Single Sign | On 7 — unspecified |
Not currently listed on the CISA Known Exploited Vulnerabilities (KEV) catalog. EPSS is the best forward-looking signal — see the EPSS row above.
For the full vendor write-up, exploit chains, and reference implementations, see the references list in section 09.
Ask SARA in chat to draft a starting detection for this CVE in your stack of choice.
No directly-cited follow-up CVEs in the KB record for this advisory. The references list in section 09 carries the vendor cross-references.