CVE-2026-76878: OpenStack Aodh

OpenStack Aodh: In OpenStack Aodh before 22.0.1, the alarm list API bypasses project scoping when the…

CVSS 8.4 HighEPSS 0.0054 · 45th percentile

Published by the CVE Program (CNA: mitre) at 19 Aug 2026, 22:04 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
OpenStack	Aodh	affected 10.0.0 to before 20.0.1 semver affected 21.0.0 to before 21.0.1 semver affected 22.0.0 to before 22.0.1 semver Other versions: unaffected

Identifiers

CVE-2026-76878

CNA

mitre

Weakness (CWE)

CWE-688

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
8.4	High	4.0	CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:H/VI:N/VA:N/SC:L/SI:H/SA:L	CNA (mitre)

CISA KEV Not listed.
EPSS 0.0054, the 45th 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 19 Aug 2026. New records show when each source confirmed them.

Sources

References from the CNA

launchpad.net/bugs/2161276 issue-tracking
launchpad.net/bugs/2161771 issue-tracking
security.openstack.org/ossa/OSSA-2026-036.html vendor-advisory
lists.openstack.org/archives/list/[email protected]/thread/O6PKAUNMNZP6FRHLUUGBYELCRBEPB52B/ vendor-advisorymailing-list
www.openwall.com/lists/oss-security/2026/08/19/5

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.