{"id":"CVE-2026-11538","state":"PUBLISHED","title":"IBM WebSphere Application Server prior to 9.0.5.29 and 8.5.5.31 are affected by multiple vulnerabilities","description":"IBM WebSphere Application Server 9.0 and 8.5 is affected by a log injection vulnerability through crafted LTPA token cookies.","publishedAt":"2026-09-18T19:00:11.647Z","updatedAt":"2026-09-18T19:46:49.750Z","severity":{"score":3.7,"label":"Low","version":"3.1","vector":"CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:L/A:N","source":"ibm"},"assigner":"ibm","products":["IBM WebSphere Application Server"],"affected":[{"vendor":"IBM","product":"WebSphere Application Server","versions":[{"version":"9.0","status":"affected"},{"version":"8.5","status":"affected"}],"cpes":["cpe:2.3:a:ibm:websphere_application_server:9.0:*:*:*:*:*:*:*","cpe:2.3:a:ibm:websphere_application_server:9.0.0:*:*:*:*:*:*:*","cpe:2.3:a:ibm:websphere_application_server:8.5:*:*:*:*:*:*:*","cpe:2.3:a:ibm:websphere_application_server:8.5.0:*:*:*:*:*:*:*"]}],"references":["https://www.ibm.com/support/pages/node/7286610"],"weaknesses":["CWE-117"],"ingestedAt":"2026-10-29T20:10:52.580Z","source":{"repository":"CVEProject/cvelistV5","path":"cves/2026/11xxx/CVE-2026-11538.json","commit":"556c9d3a8cd17e218bb8e452ba7cd619a384ff47"},"raw":{"dataType":"CVE_RECORD","dataVersion":"5.2","cveMetadata":{"cveId":"CVE-2026-11538","state":"PUBLISHED","datePublished":"2026-09-18T19:00:11.647Z","dateUpdated":"2026-09-18T19:46:49.750Z","assignerShortName":"ibm","assignerOrgId":"9a959283-ebb5-44b6-b705-dcc2bbced522","dateReserved":"2026-06-08T02:43:30.313Z"},"containers":{"cna":{"title":"IBM WebSphere Application Server prior to 9.0.5.29 and 8.5.5.31 are affected by multiple vulnerabilities","descriptions":[{"lang":"en","value":"IBM WebSphere Application Server 9.0 and 8.5 is affected by a log injection vulnerability through crafted LTPA token cookies."}],"affected":[{"vendor":"IBM","product":"WebSphere Application Server","versions":[{"version":"9.0","status":"affected"},{"version":"8.5","status":"affected"}],"cpes":["cpe:2.3:a:ibm:websphere_application_server:9.0:*:*:*:*:*:*:*","cpe:2.3:a:ibm:websphere_application_server:9.0.0:*:*:*:*:*:*:*","cpe:2.3:a:ibm:websphere_application_server:8.5:*:*:*:*:*:*:*","cpe:2.3:a:ibm:websphere_application_server:8.5.0:*:*:*:*:*:*:*"]}],"references":[{"url":"https://www.ibm.com/support/pages/node/7286610","tags":["vendor-advisory","patch"]}],"metrics":[{"format":"CVSS","scenarios":[{"lang":"en","value":"GENERAL"}],"cvssV3_1":{"version":"3.1","attackVector":"NETWORK","attackComplexity":"HIGH","privilegesRequired":"NONE","userInteraction":"NONE","scope":"UNCHANGED","confidentialityImpact":"NONE","integrityImpact":"LOW","availabilityImpact":"NONE","baseSeverity":"LOW","baseScore":3.7,"vectorString":"CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:L/A:N"}}],"problemTypes":[{"descriptions":[{"cweId":"CWE-117","lang":"en","description":"CWE-117 Improper Output Neutralization for Logs","type":"CWE"}]}],"providerMetadata":{"shortName":"ibm","orgId":"9a959283-ebb5-44b6-b705-dcc2bbced522","dateUpdated":"2026-09-18T19:00:11.647Z"},"solutions":[{"lang":"en","value":"IBM strongly recommends addressing the vulnerabilities now by applying the fix pack(s) listed below.\nFor IBM WebSphere Application Server traditional:\nFor V9.0.0.0 through 9.0.5.28:\n· Apply Fix Pack 9.0.5.29 (availability September 2026) or later fix pack.\nFor V8.5.0.0 through 8.5.5.30:\n· Apply Fix Pack 8.5.5.31 (availability September 2026) or later fix pack.","supportingMedia":[{"type":"text/html","base64":false,"value":"<p>IBM strongly recommends addressing the vulnerabilities now by applying the fix pack(s) listed below.</p><p><strong>For IBM WebSphere Application Server traditional:</strong></p><p><strong>For V9.0.0.0 through 9.0.5.28:</strong><br/>· Apply Fix Pack <a href=\"SB0030823\" rel=\"nofollow\">9.0.5.29</a> (availability September 2026) or later fix pack. </p><p><strong>For V8.5.0.0 through 8.5.5.30:</strong><br/>· Apply Fix Pack <a href=\"https://www.ibm.com/support/pages/node/7285869\" rel=\"nofollow\">8.5.5.31</a> (availability September 2026) or later fix pack. </p>"}]}]},"adp":[{"title":"CISA ADP Vulnrichment","metrics":[{"other":{"type":"ssvc","content":{"timestamp":"2026-09-18T19:46:40.279251Z","id":"CVE-2026-11538","options":[{"Exploitation":"none"},{"Automatable":"no"},{"Technical Impact":"partial"}],"role":"CISA Coordinator","version":"2.0.3"}}}],"providerMetadata":{"shortName":"CISA-ADP","orgId":"134c704f-9b21-4f2e-91b3-4a467353bcc0","dateUpdated":"2026-09-18T19:46:49.750Z"}}]}}}