Authenticated command execution via unsanitized certificate profiles
Published Sep 8, 2026 · Updated Sep 8, 2026
OS command injection in Red Hat Certificate System and RHEL allows remote authenticated users with CA Administrator access to execute commands. Certificate profile import validates only the profile ID, allowing attacker-controlled profile content to reach ExternalProcessConstraint and supply environment variables to an operating-system command. The attack requires CA Administrator privileges, and successful commands run as the pkiuser account with resulting access limited by that service identity.
Summary
What happened
OS command injection in Red Hat Certificate System and RHEL allows remote authenticated users with CA Administrator access to execute commands. Certificate profile import validates only the profile ID, allowing attacker-controlled profile content to reach ExternalProcessConstraint and supply environment variables to an operating-system command. The attack requires CA Administrator privileges, and successful commands run as the pkiuser account with resulting access limited by that service identity.
The record
- CVE
- CVE-2026-76561
- Published
- Sep 8, 2026
- Updated
- Sep 8, 2026
- Vendor
- 389 Directory Server
- Product
- Red Hat Certificate System
- Classifications
- CWE-78, CAPEC-6, CAPEC-43, CAPEC-15, CAPEC-88, CAPEC-108, T1059
- Attack vector
- network
- Privileges
- admin
Timeline
How it unfolded
- Sep 8, 2026CVE publishedPublication date reported by the CVE source.
- Sep 8, 2026Record updatedLatest update available in the CVE record.
Exploitability
Present is not the same as exploitable
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Is a vulnerable build present?
Affected versions are unavailable in this record. Check the vendor advisory for version and patch details.
What conditions does exploitation require?
What is affected?
Published CVSS scores
CVSS describes severity. EPSS estimates exploitation probability.
Attacks
What attackers are doing with it
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Weakness, pattern, technique
Public exploit references
No public exploit references are available in this record.
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Technologies
Your stack
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Your stack
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