Red Hat pki-core Missing Realm Auth on CA Renewal (CVE202617039)
CVE-2026-17039 Published on July 24, 2026
Pki-core: dogtag-pki: redhat-pki: pki-core: ca renewal request processing omits realm authorization check performed by enrollment path
A flaw was found in pki-core. The certificate authority (CA) renewal request path does not perform the realm-based authorization check that the enrollment path performs, allowing an authenticated user entitled to one realm to cause a certificate belonging to a different realm to be renewed without that realm's authorization.
Vulnerability Analysis
CVE-2026-17039 can be exploited with network access, and requires small amount of user privileges. This vulnerability is consided to have a high level of attack complexity. The potential impact of an exploit of this vulnerability is considered to have no impact on confidentiality, with no impact on integrity, and no impact on availability.
Timeline
Reported to Red Hat.
Made public. 3 days later.
Weakness Type
What is an AuthZ Vulnerability?
The software performs an authorization check when an actor attempts to access a resource or perform an action, but it does not correctly perform the check. This allows attackers to bypass intended access restrictions.
CVE-2026-17039 has been classified to as an AuthZ vulnerability or weakness.
Products Associated with CVE-2026-17039
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Affected Versions
Red Hat Certificate System 10: Red Hat Certificate System 11: Red Hat Certificate System 9: Red Hat Enterprise Linux 10: Red Hat Enterprise Linux 6: Red Hat Enterprise Linux 7: Red Hat Enterprise Linux 8: Red Hat Enterprise Linux 9:Exploit Probability
EPSS (Exploit Prediction Scoring System) scores estimate the probability that a vulnerability will be exploited in the wild within the next 30 days. The percentile shows you how this score compares to all other vulnerabilities.