CVE-2026-18544: CWE-862 Missing Authorization in IBM Portieris
Description
IBM Portieris versions 0.5.0 through 0.14.2 contain a missing authorization vulnerability that allows a remote authenticated attacker to bypass image policy enforcement. This occurs due to improper authorization of pod owner references, potentially leading to unauthorized container image usage.
CVSS v3.1
Score 8.1high
Affected software
IBM
Portieris
cpe:2.3:a:ibm:portieris:0.5.0:*:*:*:*:*:*:*cpe:2.3:a:ibm:portieris:0.14.2:*:*:*:*:*:*:*Run on your own infrastructure? Check whether these packages are installed with threat-finder — our free open-source scanner.
Weaknesses
AI-Powered Analysis
Machine-generated threat intelligence
Technical Analysis
CVE-2026-18544 is a missing authorization vulnerability (CWE-862) in IBM Portieris versions 0.5.0 through 0.14.2. The flaw allows a remote attacker with authentication privileges to bypass image policy enforcement by exploiting improper authorization checks related to pod owner references. This could enable the attacker to deploy container images that do not comply with established policies.
Potential Impact
The vulnerability has a high severity with a CVSS 3.1 score of 8.1, indicating that a remote authenticated attacker can compromise the integrity and confidentiality of the system by bypassing image policy enforcement. This could lead to unauthorized container images running in the environment, potentially exposing sensitive data or enabling further attacks. Availability impact is not indicated.
Mitigation Recommendations
No official patch or remediation information is provided in the available data. Patch status is not yet confirmed — check the vendor advisory for current remediation guidance. Until a fix is available, restrict access to authenticated users and monitor for unauthorized image deployments.
Technical Details
- Data Version
- 5.2
- Assigner Short Name
- ibm
- Date Reserved
- 2026-07-31T21:11:28.140Z
- Cvss Version
- 3.1
- State
- PUBLISHED
Threat ID: 6a861420acd9273b4997c7cf
Added to database: 08/19/2026, 20:37:52 UTC
Last enriched: 09/11/2026, 05:17:00 UTC
Last updated: 10/04/2026, 10:02:26 UTC
Views: 57
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