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Vulnerabilities

Vulnerability · 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 by

Published Oct 30, 2026 · catalog updated Oct 31, 2026 · OpenStack

Last checked Nov 3, 2026. A connected source was read within the last 7 days.

Check if you run it

No confirmed exploitation is on record for CVE-2026-115642. EPSS is 0.51%. Act only if a listed version of OpenStack is installed.

Gaps on this record

  • No vendor fix or required action is stored. Compare the linked advisory before you change production.
Severity
High8.3
Known exploitation
Not in CISA/VulnCheck KEV
EPSS
0.51%
Remediation
Advisory link
Affected products
Debian:12 python-keystonemiddleware · Debian:13 python-keystonemiddleware · Debian:14 python-keystonemiddleware · vendor OpenStack keystonemiddleware

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.

Are you affected?

Enter the version you run. The result uses only the ranges stored on this record.

The check returns affected, not affected, or incomplete. It does not guess a version that is missing from the record.

  • Debian:12 python-keystonemiddleware10.1.0-4, 10.12.0-1, 10.12.0-2
  • Debian:13 python-keystonemiddleware10.12.0-1, 10.12.0-2, 10.12.0-3
  • Debian:14 python-keystonemiddleware10.12.0-1, 10.12.0-2, 10.12.0-3
  • vendor OpenStack keystonemiddlewareversion unspecified

How to fix CVE-2026-115642

What to do

Three questions, each answered from this record only. Confirm the vendor advisory before you patch.

Should you patch?

No confirmed exploitation is on record for CVE-2026-115642. EPSS is 0.51%. Act only if a listed version of OpenStack is installed.

Which versions are affected?

Compare what you have installed with 10.1.0-4, 10.12.0-1, 10.12.0-2, 10.12.0-1, 10.12.0-2, 10.12.0-3. Compare the installed version with the linked vendor advisory before you change production.

What should an analyst verify?

CWE-863: Incorrect Authorization. EPSS 0.51%. There is no CISA KEV listing. No Exploit-DB or Metasploit reference is linked. Use the source links for the original advisory.

Technology hubs

Debian security

Code

The project this record applies to. Exploit listings stay in References.

Timeline

Detection, updates, and resolution for this record.

  1. Oct 30, 2026 · Trivy Vulnerability DB

    Detected

  2. Oct 30, 2026 · Trivy Vulnerability DB

    Updated

    The description or metadata changed.

  3. Oct 31, 2026 · Trivy Vulnerability DB

    Updated

    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.

Sources

  • CVE.orgVulnerability recordCVE-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.

    cve.org
  • FIRST EPSSExploitation probabilityCVE-2026-115642

    30-day exploitation probability 0.51%

    first.org
  • Openwall OSS SecurityThreat researchCVE-2026-115642

    Research mention from Openwall OSS Security. Not confirmation of exploitation.

    openwall.com
  • Trivy Vulnerability DBPackage advisoryDEBIAN-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.

    osv.dev

References

Freshness

Last verified in this catalog Nov 3, 2026. Significant claims (KEV, EPSS, CVSS, affected ranges) come from the source rows above — open the original publisher for the authoritative advisory.

  • FIRST EPSSNov 3, 2026
  • Openwall OSS SecurityNov 3, 2026
  • Trivy Vulnerability DBOct 31, 2026
  • CVE.orgOct 30, 2026