Authorization Bypass in IBM Portieris Affects Multiple Versions
CVE-2026-18544

8.1HIGH

Key Information:

Vendor

IBM
Status
Portieris
Vendor
CVE Published:
19 August 2026

What is CVE-2026-18544?

IBM Portieris versions 0.5.0 through 0.14.2 contain a vulnerability that enables a remote authenticated attacker to bypass image policy enforcement mechanisms. This occurs due to improper authorization of pod owner references, which can potentially allow unauthorized actions in a secured environment. Organizations using affected versions should apply the relevant patches to mitigate associated risks.

Affected Version(s)

Portieris 0.5.0 <= 0.14.2

References

https://www.ibm.com/support/pages/node/7284125
vendor-advisorypatch

CVSS V3.1

Score:
8.1
Severity:
HIGH
Confidentiality:
High
Integrity:
High
Availability:
High
Attack Vector:
Network
Attack Complexity:
Low
Privileges Required:
Low
User Interaction:
None
Scope:
Unchanged

Timeline

  • Vulnerability published

  • Vulnerability Reserved

.