{"id":"CVE-2026-18544","state":"PUBLISHED","title":"Portieris is vulnerable to Image Policy Bypass via Unvalidated ownerReference","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.","publishedAt":"2026-08-19T20:29:10.276Z","updatedAt":"2026-08-21T16:13:10.944Z","severity":{"score":8.1,"label":"High","version":"3.1","vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:N","source":"ibm"},"assigner":"ibm","products":["IBM Portieris"],"affected":[{"vendor":"IBM","product":"Portieris","versions":[{"version":"0.5.0","status":"affected","lessThanOrEqual":"0.14.2","versionType":"semver"}],"cpes":["cpe:2.3:a:ibm:portieris:0.5.0:*:*:*:*:*:*:*","cpe:2.3:a:ibm:portieris:0.14.2:*:*:*:*:*:*:*"]}],"references":["https://www.ibm.com/support/pages/node/7284125"],"weaknesses":["CWE-862"],"ingestedAt":"2026-10-29T20:11:10.572Z","source":{"repository":"CVEProject/cvelistV5","path":"cves/2026/18xxx/CVE-2026-18544.json","commit":"556c9d3a8cd17e218bb8e452ba7cd619a384ff47"},"raw":{"dataType":"CVE_RECORD","dataVersion":"5.2","cveMetadata":{"cveId":"CVE-2026-18544","state":"PUBLISHED","datePublished":"2026-08-19T20:29:10.276Z","dateUpdated":"2026-08-21T16:13:10.944Z","assignerShortName":"ibm","assignerOrgId":"9a959283-ebb5-44b6-b705-dcc2bbced522","dateReserved":"2026-07-31T21:11:28.140Z"},"containers":{"cna":{"title":"Portieris is vulnerable to Image Policy Bypass via Unvalidated ownerReference","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."}],"affected":[{"vendor":"IBM","product":"Portieris","versions":[{"version":"0.5.0","status":"affected","lessThanOrEqual":"0.14.2","versionType":"semver"}],"cpes":["cpe:2.3:a:ibm:portieris:0.5.0:*:*:*:*:*:*:*","cpe:2.3:a:ibm:portieris:0.14.2:*:*:*:*:*:*:*"]}],"references":[{"url":"https://www.ibm.com/support/pages/node/7284125","tags":["vendor-advisory","patch"]}],"metrics":[{"format":"CVSS","scenarios":[{"lang":"en","value":"GENERAL"}],"cvssV3_1":{"version":"3.1","attackVector":"NETWORK","attackComplexity":"LOW","privilegesRequired":"LOW","userInteraction":"NONE","scope":"UNCHANGED","confidentialityImpact":"HIGH","integrityImpact":"HIGH","availabilityImpact":"NONE","baseSeverity":"HIGH","baseScore":8.1,"vectorString":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:N"}}],"problemTypes":[{"descriptions":[{"cweId":"CWE-862","lang":"en","description":"CWE-862 Missing Authorization","type":"CWE"}]}],"providerMetadata":{"shortName":"ibm","orgId":"9a959283-ebb5-44b6-b705-dcc2bbced522","dateUpdated":"2026-08-19T20:29:10.276Z"},"solutions":[{"lang":"en","value":"IBM strongly recommends addressing the vulnerability now.\n\nProduct(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 .","supportingMedia":[{"type":"text/html","base64":false,"value":"<p><strong>IBM strongly recommends addressing the vulnerability now.</strong></p><div><table><tbody><tr><td><strong>Product(s)</strong></td><td><strong>Version(s) number and/or range </strong></td><td><strong>Remediation/Fix/Instructions</strong></td></tr><tr><td>Portieris</td><td>v0.14.3</td><td>Download <a href=\"https://github.com/IBM/portieris/releases/tag/v0.14.3\" rel=\"nofollow\">v0.14.3</a>.</td></tr></tbody></table></div><p></p><p></p>"}]}]},"adp":[{"title":"CISA ADP Vulnrichment","metrics":[{"other":{"type":"ssvc","content":{"timestamp":"2026-08-21T16:09:55.759527Z","id":"CVE-2026-18544","options":[{"Exploitation":"none"},{"Automatable":"no"},{"Technical Impact":"total"}],"role":"CISA Coordinator","version":"2.0.3"}}}],"providerMetadata":{"shortName":"CISA-ADP","orgId":"134c704f-9b21-4f2e-91b3-4a467353bcc0","dateUpdated":"2026-08-21T16:13:10.944Z"}}]}}}