What is CVE-2026-115642?

CVE-2026-115642 is a high-severity vulnerability in OpenStack Keystonemiddleware, classified under Incorrect Authorization. CVSS score: 8.3/10. Published 2026-10-30.

How severe is CVE-2026-115642?

High severity. CVSS v3 base score is 8.3 out of 10.

Auth bypass in OpenStack Keystonemiddleware

CVE-2026-115642

In OpenStack keystonemiddleware before 13.0.2, by supplying a custom X-Service-Token header in a request, anyone in possession of an access-restricted application credential may bypass those restrictions resulting in elevation of privileges.

Vulnerability class: Broken Access Control

Published 2026-10-30 · last modified 2026-10-30.

CVSS v3 metric

CVSS v3 base score 8.3 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:L.

EPSS exploit prediction

No EPSS score from FIRST.org yet. New CVEs usually get one within a few days; no score means no signal yet, not low risk. How EPSS works.

Affected products

OpenStack Keystonemiddleware

Weakness classification (CWE)

CWE-863 — Incorrect Authorization

References

Frequently asked questions

What is CVE-2026-115642?: CVE-2026-115642 is a high-severity vulnerability in OpenStack Keystonemiddleware, classified under Incorrect Authorization. CVSS score: 8.3/10. Published 2026-10-30.
How severe is CVE-2026-115642?: High severity. CVSS v3 base score is 8.3 out of 10.