Vulnerability details

CVE-2026-18544

IBM Portieris

Portieris is vulnerable to Image Policy Bypass via Unvalidated ownerReference

CVSS 3.1

8.1High

Official description

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.

CVSS scores

Score	Version	Source	Vector
8.1High	3.1	CVEProject cvelistV5 (CNA) (ibm)	`CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:N`

Affected products

Vendor	Product	Versions	Source
IBM	Portieris	0.5.0 ≤ v ≤ 0.14.2	CVEProject cvelistV5 (CNA)

References and advisories

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

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Details

Published: 2026-08-19
Last updated: 2026-08-21
State: Published
Assigner (CNA): ibm

Exploit prediction (EPSS)

0.42%

Probability of exploitation in 30 days

37.3%

Percentile (among all CVEs)

SSVC assessment (CISA)

Automatable: No
Exploitation: None
Technical impact: Total

Weaknesses (CWE)

CWE-862
Missing Authorization