RHSA-2026:86623 - Security Advisory

Topic

An update for pki-core is now available for Red Hat Enterprise Linux 9.6 Extended Update Support.

Red Hat Product Security has rated this update as having a security impact of Important. A Common Vulnerability Scoring System (CVSS) base score, which gives a detailed severity rating, is available for each vulnerability from the CVE link(s) in the References section.

Description

The Public Key Infrastructure (PKI) Core contains fundamental packages required by Red Hat Certificate System.

Security Fix(es):

• pki-core: Dogtag/PKI: certprofile-import allows code execution via unsanitized profile content (ExternalProcessConstraint) (CVE-2026-76561)
• pki-core: Dogtag PKI v2 REST ACL filter's reverse-lexicographic tie-break lets a CA Agent invoke the admin-only raw profile creation endpoint (CVE-2026-80110)

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.

Solution

For details on how to apply this update, which includes the changes described in this advisory, refer to:

https://access.redhat.com/articles/11258

Affected Products

• Red Hat Enterprise Linux for x86_64 - Extended Update Support 9.6 x86_64
• Red Hat Enterprise Linux Server - AUS 9.6 x86_64
• Red Hat Enterprise Linux for IBM z Systems - Extended Update Support 9.6 s390x
• Red Hat Enterprise Linux for Power, little endian - Extended Update Support 9.6 ppc64le
• Red Hat Enterprise Linux for ARM 64 - Extended Update Support 9.6 aarch64
• Red Hat Enterprise Linux Server for Power LE - Update Services for SAP Solutions 9.6 ppc64le
• Red Hat Enterprise Linux for x86_64 - Update Services for SAP Solutions 9.6 x86_64
• Red Hat Enterprise Linux for ARM 64 - 4 years of updates 9.6 aarch64
• Red Hat Enterprise Linux for IBM z Systems - 4 years of updates 9.6 s390x
• Red Hat Enterprise Linux for x86_64 - Extended Life Cycle 9.6 x86_64
• Red Hat Enterprise Linux for ARM 64 - Extended Life Cycle 9.6 aarch64
• Red Hat Enterprise Linux for Power, little endian - Extended Life Cycle 9.6 ppc64le
• Red Hat Enterprise Linux for IBM z Systems - Extended Life Cycle 9.6 s390x

Fixes

• BZ - 2519523 - CVE-2026-76561 pki-core: Dogtag/PKI: certprofile-import allows code execution via unsanitized profile content (ExternalProcessConstraint)
• BZ - 2523749 - CVE-2026-80110 pki-core: Dogtag PKI v2 REST ACL filter's reverse-lexicographic tie-break lets a CA Agent invoke the admin-only raw profile creation endpoint

CVEs

• CVE-2026-76561
• CVE-2026-80110

References

• https://access.redhat.com/security/updates/classification/#important