GHSA-fwhw-chw4-gh37

ghsaUSosv

Keycloak Server-Side Request Forgery (SSRF) vulnerability

view advisory published 2026-02-02Licence: CC-BY-4.0

A flaw was found in Keycloak’s CIBA feature where insufficient validation of client-configured backchannel notification endpoints could allow blind server-side requests to internal services.

describes (1)

Related CVEs.

ID	severity	EPSS	exploitable	published
CVE-2026-1518US	—	—	—	2026-02-02
Rejected reason: DO NOT USE THIS CANDIDATE NUMBER. After further review by the Keycloak project and Red Hat, the reported SSRF via client registration/backchannel notification URIs…

references

External citations — patches, advisories, analysis.

https://access.redhat.com/security/cve/CVE-2026-1518WEB
https://bugzilla.redhat.com/show_bug.cgi?id=2433727WEB
https://github.com/keycloak/keycloakPACKAGE
https://nvd.nist.gov/vuln/detail/CVE-2026-1518ADVISORY

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