CVE-2024-4540EPSS p44.4%
CVE-2024-4540CVE-2024-4540
Description
A flaw was found in Keycloak in OAuth 2.0 Pushed Authorization Requests (PAR). Client-provided parameters were found to be included in plain text in the KC_RESTART cookie returned by the authorization server's HTTP response to a `request_uri` authorization request, possibly leading to an information disclosure vulnerability.
Scoring
| CVSS | 7.5 () |
| Vector | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N |
| EPSS | 0.55% probability of exploitation · percentile 44.4% · 2026-10-10T12:00:23Z |
| Last modified | 2026-10-09 |