PT-2026-44195 · Red Hat · Keycloak

Gyeongpyo Son · Published 2026-05-28 · Updated 2026-06-26 · CVE-2026-9802

Positive Technologies (AI Summary)

CVSS v3.1

6.8

Medium

Base vector

AV:N/AC:H/PR:N/UI:R/S:U/C:H/I:H/A:N

Name of the Vulnerable Software and Affected Versions Keycloak (affected versions not specified)

Description A flaw exists when revokeRefreshToken=true is enabled and persistent session storage is utilized. A server restart can reset internal timing mechanisms, allowing a remote attacker who has captured a user's refresh token to replay it after revocation. This can result in unauthorized account access, information disclosure, or privilege escalation.

Recommendations At the moment, there is no information about a newer version that contains a fix for this vulnerability.

LPE

Insufficient Session Expiration

Weakness Enumeration

CWE-613

Related Identifiers

CVE-2026-9802

GHSA-V5G5-WWMP-JPPW

Affected Products

Keycloak

References · 21

• https://nvd.nist.gov/vuln/detail/CVE-2026-9802 · Security Note
• https://access.redhat.com/errata/RHSA-2026:30050 · Vendor Advisory
• https://osv.dev/vulnerability/GHSA-v5g5-wwmp-jppw · Vendor Advisory
• https://access.redhat.com/security/cve/CVE-2026-9802 · Vendor Advisory
• https://bugzilla.redhat.com/show_bug.cgi?id=2482467 · Vendor Advisory
• https://access.redhat.com/errata/RHSA-2026:25097 · Vendor Advisory
• https://access.redhat.com/errata/RHSA-2026:30049 · Vendor Advisory
• https://access.redhat.com/errata/RHSA-2026:25098 · Vendor Advisory
• https://github.com/keycloak/keycloak/commit/3451217e3837ce5e8bbcac2773f0ac44830b95f1 · Note
• https://github.com/keycloak/keycloak/pull/49542 · Note
• https://github.com/keycloak/keycloak/pull/49619 · Note
• https://github.com/keycloak/keycloak/pull/49620 · Note
• https://github.com/keycloak/keycloak/issues/49426 · Note
• https://github.com/keycloak/keycloak/commit/165df48d3f0f42ede8e6082184892ca7cc703989 · Note
• https://github.com/keycloak/keycloak/commit/3fde018b98e2729a594a3ac7fc730fde31da2f07 · Note