CVE-2026-18544

{"id": "CVE-2026-18544", "cveTags": [], "metrics": {"ssvcV203": [{"source": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "ssvcData": {"id": "CVE-2026-18544", "role": "CISA Coordinator", "options": [{"exploitation": "none"}, {"automatable": "no"}, {"technicalImpact": "total"}], "version": "2.0.3", "timestamp": "2026-08-21T16:09:55.759527Z"}}], "cvssMetricV31": [{"type": "Secondary", "source": "psirt@us.ibm.com", "cvssData": {"scope": "UNCHANGED", "version": "3.1", "baseScore": 8.1, "attackVector": "NETWORK", "baseSeverity": "HIGH", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:N", "integrityImpact": "HIGH", "userInteraction": "NONE", "attackComplexity": "LOW", "availabilityImpact": "NONE", "privilegesRequired": "LOW", "confidentialityImpact": "HIGH"}, "impactScore": 5.2, "exploitabilityScore": 2.8}]}, "affected": [{"source": "psirt@us.ibm.com", "affectedData": [{"cpes": ["cpe:2.3:a:ibm:portieris:0.5.0:*:*:*:*:*:*:*", "cpe:2.3:a:ibm:portieris:0.14.2:*:*:*:*:*:*:*"], "vendor": "IBM", "product": "Portieris", "versions": [{"status": "affected", "version": "0.5.0", "versionType": "semver", "lessThanOrEqual": "0.14.2"}]}]}], "published": "2026-08-19T21:16:54.400", "references": [{"url": "https://www.ibm.com/support/pages/node/7284125", "tags": ["Patch", "Vendor Advisory"], "source": "psirt@us.ibm.com"}], "vulnStatus": "Analyzed", "weaknesses": [{"type": "Secondary", "source": "psirt@us.ibm.com", "description": [{"lang": "en", "value": "CWE-862"}]}], "descriptions": [{"lang": "en", "value": "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."}], "lastModified": "2026-09-02T18:59:59.400", "configurations": [{"nodes": [{"negate": false, "cpeMatch": [{"criteria": "cpe:2.3:a:ibm:portieris:*:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "CC764331-19FF-4286-A3F9-5F5EFAE80A36", "versionEndExcluding": "0.14.3", "versionStartIncluding": "0.5.0"}], "operator": "OR"}]}], "sourceIdentifier": "psirt@us.ibm.com"}