Splunk is widely used in enterprises; this flaw grants non-admins system-level search privileges and access to sensitive data, posing broad org risk.
CVE-2026-76391
Privilege escalation in Splunk AI Toolkit lets non-admins run system-level searches.
Is CVE-2026-76391 being exploited?
Not confirmed. CVE-2026-76391 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 0.35% probability of exploitation in the next 30 days.
How severe is CVE-2026-76391?
CVE-2026-76391 is rated High. 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-2026-76391?
Yes. A fix has been recorded for CVE-2026-76391. The vendor advisory is the authority on the exact fixed version — apply it from there rather than from a summary.
What does CVE-2026-76391 affect?
CVE-2026-76391 affects Splunk AI Toolkit < 6.0.0, Splunk Enterprise instances with AI Toolkit installed. Confirm the exact affected versions against the vendor advisory before deciding you are exposed.
What should I do about CVE-2026-76391?
Upgrade AI Toolkit to >=6.0.0 or restrict AI Toolkit access until patched.
Exploitation status reflects CISA's KEV catalog as we last synced it. Check the catalog directly.
Non-admin users can execute searches as system, access or delete others' search jobs and read sensitive data; confidentiality and integrity risk.
Immediate action required
- affected>= 5.7 and < 6.0.0
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.