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TI-2026-15207 Aliases CVE-2026-18544GHSA-q4gw-3xwf-fpcw

Portieris is vulnerable to Image Policy Bypass via Unvalidated ownerReference

Priority LOW 38CWE-862Published · Updated

Key facts

Attack vector
Network
Privileges required
Low
User interaction
None
Attack complexity
Low
Impact type
Security bypass
Confidentiality · integrity · availability
High · High · None
Fix status
No fix listed

Attack profile from CVSS 3.1 · CNA. Fix status from CNA. Impact type from CWE-862.

Summary

IBM Portieris 0.5.0 through 0.14.2 could allow a remote authenticated attacker to bypass image policy enforcement due to improper authorization of pod owner references.

Why it matters now

Exploitation None reported CISA SSVC · not in CISA KEV
EPSS 0.00429 37th percentileScored 2026-11-07
Fix No fix listed No fixed version in the sources yet

SSVC decision points

CISA ADP · SSVC 2.0.3

Exploitation
None
Automatable
No
Technical impact
Total

The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.

Affected products

VendorProductAffected versionsFixed inStatusSource
IBMPortieris0.5.0 – 0.14.2—No fix listedCNA
  • Portieris VendorIBM Affected 0.5.0 – 0.14.2 Fixed in — No fix listed CNA

CPE configurations NVD · 1

CPEVersionsRoleVendor
cpe:2.3:a:ibm:portieris:*:*:*:*:*:*:*:*0.5.0 to before 0.14.3VulnerableIBM
  • cpe:2.3:a:ibm:portieris:*:*:*:*:*:*:*:* Versions 0.5.0 to before 0.14.3 Vulnerable ·IBM

Remediation

No fixed version listed by the sources yet.

Timeline

  1. 2026-10-02 Threatist record created from CVE-2026-18544
  2. 2026-10-03 Alias added: GHSA-q4gw-3xwf-fpcw

References

Patch 1

Sources

This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences