CVE-2026-5136
Foreman privilege escalation via flawed Usergroup role validation.
Is CVE-2026-5136 being exploited?
Not confirmed. CVE-2026-5136 does not appear in CISA's Known Exploited Vulnerabilities catalog, which records only exploitation that has been observed and reported publicly. That is evidence of absence of a report, not evidence the flaw is unattacked. EPSS currently estimates a 0.56% probability of exploitation in the next 30 days.
How severe is CVE-2026-5136?
CVE-2026-5136 is rated High with a CVSS score of 8.8. Severity describes how bad exploitation would be, not how likely it is: pair it with exploitation evidence before deciding what to patch first.
Is there a patch for CVE-2026-5136?
Yes. A fix has been recorded for CVE-2026-5136. The vendor advisory is the authority on the exact fixed version — apply it from there rather than from a summary.
What does CVE-2026-5136 affect?
CVE-2026-5136 affects Foreman. Confirm the exact affected versions against the vendor advisory before deciding you are exposed.
What should I do about CVE-2026-5136?
Patch when available; review and restrict usergroup permissions.
Exploitation status reflects CISA's KEV catalog as we last synced it. Check the catalog directly.
Authenticated user with usergroup perms can grant admin roles to a group and add self, gaining full admin access.
Patch when possible