CVE-2023-6927mediumCWE-601

Keycloak: open redirect via "form_post.jwt" jarm response mode

13Vexday Risk Score

No sign of exploitation. No public exploitation artifact known so far.

ssvc Trackcvss 4.6epss 1.1%

exploitation probability

1.1%top 36% of all CVEs

observed exploitation

nono source reports it

A flaw was found in Keycloak. This issue may allow an attacker to steal authorization codes or tokens from clients using a wildcard in the JARM response mode "form_post.jwt" which could be used to bypass the security patch implemented to address CVE-2023-6134.

CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:U/C:L/I:L/A:N

Affected products

Red Hat · Red Hat build of Keycloak 22 Red Hat · Red Hat build of Keycloak 22.0.8 Red Hat · Red Hat Single Sign-On 7 Red Hat · Red Hat Single Sign-On 7.6 for RHEL 7 Red Hat · Red Hat Single Sign-On 7.6 for RHEL 8 Red Hat · Red Hat Single Sign-On 7.6 for RHEL 9 Red Hat · RHEL-8 based Middleware Containers Red Hat · Single Sign-On 7.6.6

References