CVE-2026-1156428.3HighCWE-863

CVE-2026-115642: OpenStack keystonemiddleware vulnerability

OpenStack · keystonemiddleware

Fixed in 13.0.2 · Affected: OpenStack keystonemiddleware before 13.0.2 · Exploitation: unlikely (under 1%)

Not in CyberSIXT coverage yet: no article names this CVE. This page shows the public record.

0.5%probability of exploitation in the next 30 days

44th percentile

050100

Higher than 44% of scored CVEs

8.3HighCVSS 3.1

LowMediumHighCrit.

DescriptionCVE.org

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.

Affected products1

From the CVE record. A product or version that is not listed is unknown, not unaffected.

OpenStack · keystonemiddlewarebefore 10.12.2; from 11.0.0 before 12.0.1; from 13.0.0 before 13.0.2

On the Atlas

Every published CVE is on the CyberSIXT Atlas, grouped by weakness, vendor and month.

Open the Atlas

Exploitation: Unlikely (under 1%). EPSS under 1%, or no score yet.
CISA KEV: Not listed
Public check: No public nuclei template
Weakness: Incorrect Authorization · Access Control
Vendor: OpenStack
Published: October 2026
Band: Unlikely (under 1%), October 2026

CoverageNo articles yet

No CyberSIXT article names CVE-2026-115642 yet, so there is no coverage timeline, action brief or change log for it. Everything on this page comes from the public CVE record, CISA KEV, EPSS and the nuclei template index. Search the archive or see the CVEs in the news.