CVE-2026-18544

Portieris is vulnerable to Image Policy Bypass via Unvalidated ownerReference

Published Aug 19, 2026 CVSS 3.1 · 8.1 High EPSS < 1% KEV · Not listed
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.

Remediation

Vendor Solution

IBM strongly recommends addressing the vulnerability now. Product(s)Version(s) number and/or range Remediation/Fix/InstructionsPortierisv0.14.3Download v0.14.3 https://github.com/IBM/portieris/releases/tag/v0.14.3 .

Tracking

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Advisories

No advisories available
History
Type Values Removed Values Added
CPEs cpe:2.3:a:ibm:portieris:*:*:*:*:*:*:*:*
Type Values Removed Values Added
Metrics ssvc

{'options': {'Automatable': 'no', 'Exploitation': 'none', 'Technical Impact': 'total'}, 'version': '2.0.3'}

Type Values Removed Values Added
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.
Title Portieris is vulnerable to Image Policy Bypass via Unvalidated ownerReference
First Time appeared Ibm
Ibm portieris
Weaknesses CWE-862
CPEs cpe:2.3:a:ibm:portieris:0.14.2:*:*:*:*:*:*:*
cpe:2.3:a:ibm:portieris:0.5.0:*:*:*:*:*:*:*
Vendors & Products Ibm
Ibm portieris
References
Metrics cvssV3_1

{'score': 8.1, 'vector': 'CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:N'}

Weaknesses

Sources

Status
PUBLISHED
Assigner
ibm
Published
Updated
Aug 21, 2026, 4:13 PM
Reserved
Jul 31, 2026, 9:11 PM
Status
Analyzed
Published
Aug 19, 2026, 9:16 PM
Modified
Sep 2, 2026, 6:59 PM