CVE record · CVE-2026-76268

Missing Authentication for Critical Function in the Patroni REST API in Splunk Enterprise

CVSS 9.8 CriticalCriticalEPSS 0.048 · 91st percentile

Critical, because:

CVSS score 9.8: 9.0 or more.

Published by the CVE Program (CNA: cisco) at 7 Oct 2026, 20:46 UTC. agentprime has not analysed this yet, so whether it affects any app is not known. This CVE names a vendor and product rather than a package, so the lockfile check doesn’t match it.

Affected products, as the CNA wrote them
Vendor	Product	Versions
Splunk	Splunk Enterprise	affected 10.4 to before 10.4.3 custom affected 10.2 to before 10.2.7 custom

Identifiers: CVE-2026-76268
CNA: cisco
Weakness (CWE): CWE-306
Tags: Splunk Enterprise
Authentication bypass
Published: 7 Oct 2026
Updated: 21 Oct 2026

Not analysed yet

We haven’t published our own analysis of this CVE. If a person reviews it, this page will say what’s affected and what has to be true for it to matter.

Severity and exploitation

Score	Rating	CVSS	Vector	Source
9.8	Critical	3.1	CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H	CNA (cisco)

CISA KEV Not listed.
EPSS 0.048, the 91st percentile, on 5 Nov 2026: FIRST’s estimate of the chance of exploitation in the next 30 days.

Timeline

This record came from the full history of the CVE Program, published 7 Oct 2026. New records show when each source confirmed them.

Sources

References from the CNA

advisory.splunk.com/advisories/SVD-2026-1001

Facts on this page come from the CVE List as the CNA published them, with CVSS from the sources named above, CISA KEV and FIRST EPSS. Vendors, products and versions are shown as the CNA wrote them. We don’t reproduce the CVE’s description.