CVE-2026-18544: CWE-862 Missing Authorization in IBM Portieris
IBM Portieris versions 0.5.0 through 0.14.2 contain a vulnerability that allows a remote authenticated attacker to bypass image policy enforcement due to missing authorization checks on pod owner references. This flaw could lead to unauthorized modification or deployment of container images without proper policy validation.
AI Analysis
Technical Summary
CVE-2026-18544 is a missing authorization vulnerability (CWE-862) in IBM Portieris affecting versions 0.5.0 through 0.14.2. The vulnerability arises because the software does not properly authorize pod owner references, enabling a remote attacker with authentication privileges to bypass image policy enforcement. This can result in unauthorized container images being deployed, potentially compromising the integrity and security of the container environment. The CVSS 3.1 base score is 8.1, indicating high severity, with network attack vector, low attack complexity, and requiring privileges but no user interaction. Confidentiality and integrity impacts are high, while availability is not affected.
Potential Impact
An attacker with remote authenticated access can bypass image policy enforcement, potentially deploying unauthorized or malicious container images. This compromises the confidentiality and integrity of the containerized environment but does not impact availability.
Mitigation Recommendations
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 review image policies carefully to minimize risk.
CVE-2026-18544: CWE-862 Missing Authorization in IBM Portieris
Description
IBM Portieris versions 0.5.0 through 0.14.2 contain a vulnerability that allows a remote authenticated attacker to bypass image policy enforcement due to missing authorization checks on pod owner references. This flaw could lead to unauthorized modification or deployment of container images without proper policy validation.
CVSS v3.1
Score 8.1high
Affected software
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 affecting versions 0.5.0 through 0.14.2. The vulnerability arises because the software does not properly authorize pod owner references, enabling a remote attacker with authentication privileges to bypass image policy enforcement. This can result in unauthorized container images being deployed, potentially compromising the integrity and security of the container environment. The CVSS 3.1 base score is 8.1, indicating high severity, with network attack vector, low attack complexity, and requiring privileges but no user interaction. Confidentiality and integrity impacts are high, while availability is not affected.
Potential Impact
An attacker with remote authenticated access can bypass image policy enforcement, potentially deploying unauthorized or malicious container images. This compromises the confidentiality and integrity of the containerized environment but does not impact availability.
Mitigation Recommendations
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 review image policies carefully to minimize risk.
Technical Details
- Data Version
- 5.2
- Assigner Short Name
- ibm
- Date Reserved
- 2026-07-31T21:11:28.140Z
- Cvss Version
- 3.1
- State
- PUBLISHED
- Remediation Level
- null
Threat ID: 6a861420acd9273b4997c7cf
Added to database: 08/19/2026, 20:37:52 UTC
Last enriched: 08/19/2026, 20:52:42 UTC
Last updated: 08/19/2026, 22:43:58 UTC
Views: 4
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