CVE-2026-1518
Keycloak Server-Side Request Forgery (SSRF) vulnerability
2.7
LOW
CVSS 3.1
EPSS 0.01%
Description
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.
How to fix CVE-2026-1518
No fixed version has been published yet. Mitigate by removing the affected package or applying upstream guidance from the references below.
- Maven/org.keycloak:keycloak-parent—no fix listed
Is CVE-2026-1518 being exploited?
Low — EPSS is 0.0%, meaning exploitation activity has not been observed at scale.
Affected packages (1)
- from 0, <= 26.5.2
CVSS scores
| Source | Version | Severity | Vector |
|---|---|---|---|
| osv | CVSS 3.1 | LOW2.7 | CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:N/I:L/A:N |