ALSA-2026:94501

Dashboard / Vulnerabilities / ALSA-2026:94501

ALSA-2026:94501

Summary: Critical: fence-agents security update

Details: The fence-agents packages provide a collection of scripts for handling remote power management for cluster devices. They allow failed or unreachable nodes to be forcibly restarted and removed from the cluster. Security Fix(es): * pyjwt: pyjwt: Authentication bypass via empty HMAC key acceptance (CVE-2026-102266) * pyjwt: PyJWT: Authentication bypass via improper public key validation (CVE-2026-102268) * pyjwt: PyJWT: Authentication bypass via acceptance of DER public keys as HMAC secrets (CVE-2026-102271) * pyjwt: pyjwt: Verification key substitution via unvalidated JWKS redirects (CVE-2026-102267) * pyjwt: pyjwt: Token forgery via improper Unicode byte-order mark handling (CVE-2026-102272) For more details about the security issue(s), including the impact, a CVSS score, acknowledgments, and other related information, refer to the CVE page(s) listed in the References section.

References: https://access.redhat.com/errata/RHSA-2026:94501, https://access.redhat.com/security/cve/CVE-2026-102266, https://access.redhat.com/security/cve/CVE-2026-102267, https://access.redhat.com/security/cve/CVE-2026-102268, https://access.redhat.com/security/cve/CVE-2026-102271, https://access.redhat.com/security/cve/CVE-2026-102272, https://bugzilla.redhat.com/2542671, https://bugzilla.redhat.com/2542685, https://bugzilla.redhat.com/2542687, https://bugzilla.redhat.com/2542690, https://bugzilla.redhat.com/2542695, https://errata.almalinux.org/10/ALSA-2026-94501.html