CVE-2026-15061
Path traversal in IBM AIX/PowerVM nimesis allows remote file overwrite.
Is CVE-2026-15061 being exploited?
Not confirmed. CVE-2026-15061 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 0.43% probability of exploitation in the next 30 days.
How severe is CVE-2026-15061?
CVE-2026-15061 is rated High with a CVSS score of 8.2. 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-2026-15061?
Yes. A fix has been recorded for CVE-2026-15061. The vendor advisory is the authority on the exact fixed version — apply it from there rather than from a summary.
What does CVE-2026-15061 affect?
CVE-2026-15061 affects IBM AIX 7.2, IBM AIX 7.3, IBM PowerVM VIOS 4.1, nimesis registration service. Confirm the exact affected versions against the vendor advisory before deciding you are exposed.
What should I do about CVE-2026-15061?
Apply vendor patch when released; restrict network access to nimesis and audit/restore affected files.
Exploitation status reflects CISA's KEV catalog as we last synced it. Check the catalog directly.
Remote attacker can exploit path traversal to overwrite arbitrary files, modify configs, persist, disrupt services, or enable privilege escalation.
Patch when possible
- affected7.2
- affected7.3
- affected4.1
As published in the CVE Program record. A version outside these ranges is not a statement that it is unaffected — vendors sometimes understate a range, and distribution-backported builds carry upstream numbers that do not reflect what was patched into them.