{"id":"CVE-2026-91085","revision":null,"records":[{"revision":"3ec84865ab4844f29a847810fc461175","observedAt":"2026-10-23T15:48:27.903+00:00","statement":{"source":"cve-program","id":"CVE-2026-91085","aliases":[],"title":"Apache Karaf: config:install missing ACL entry allows privilege escalation to admin","description":"Apache Karaf's shell/SSH command security is enforced by per-scope ACL configuration files (etc/org.apache.karaf.command.acl.<scope>.cfg).\u00A0SecuredSessionFactoryImpl.checkSecurity()\u00A0resolves the roles required for an invocation and, when no ACL rule matches the command, fails open:\u00A0ACLConfigurationParser.Specificity.NO_MATCH\u00A0sets\u00A0passCheck = true. The safety valve for this,\u00A0karaf.secured.command.compulsory.roles, ships commented out in\u00A0etc/system.properties, so an unmatched command is allowed for any authenticated user.\n\n\nThe shipped\u00A0org.apache.karaf.command.acl.config\u00A0ACL (assemblies/features/standard/src/main/feature/feature.xml, mirrored into\u00A0instance/.../etc/org.apache.karaf.command.acl.config.cfg) has no\u00A0install\u00A0entry. It restricts\u00A0delete\u00A0to\u00A0admin, restricts\u00A0edit/property-*/update\u00A0on the\u00A0jmx.acl.*,\u00A0org.apache.karaf.command.acl.*\u00A0and\u00A0org.apache.karaf.service.acl.*\u00A0PIDs to\u00A0admin, and allows\u00A0manager\u00A0for everything else, but\u00A0config:install\u00A0was simply unmatched, and therefore allowed for any authenticated user, including one holding only the\u00A0viewer\u00A0role.\n\n\n\n\nconfig:install <url> <finalname>\u00A0fetches\u00A0url\u00A0and writes it into\u00A0${karaf.etc}\u00A0as\u00A0finalname. It calls\u00A0PathUtils.checkWithin()\u00A0to block\u00A0..\u00A0traversal outside\u00A0karaf.etc, but that folder holds every security-relevant file Karaf ships:\u00A0users.properties,\u00A0keys.properties,\u00A0host.key, and all\u00A0org.apache.karaf.*.acl.*\u00A0files, including the very ACL file that (mis)governs this command. With\u00A0-o/--override, an existing file is overwritten with attacker-controlled bytes fetched from an arbitrary URL.\n\n\n\n\nBecause\u00A0felix.fileinstall.dir = ${karaf.etc}\u00A0(etc/config.properties), Felix FileInstall also watches and reloads any\u00A0.cfg\u00A0file dropped there, closing the loop without requiring a restart.\n\n\n\n\nBy contrast,\u00A0bundle:install,\u00A0feature:install\u00A0and\u00A0kar:install\u00A0are all\u00A0admin-only in their own ACLs, and\u00A0config:delete\u00A0is\u00A0admin\u00A0in this same ACL,\u00A0config:install\u00A0was the outlier.\n\nMitigationAdd\u00A0install = admin\u00A0in\u00A0etc/org.apache.karaf.command.acl.config.cfg\u00A0(create the file is absent), and/or set\u00A0karaf.secured.command.compulsory.roles=admin\u00A0in\u00A0etc/system.properties\u00A0(and restart) to make unmatched commands fail closed by default.","state":0,"publishedAt":"2026-09-29T08:39:33.209+00:00","modifiedAt":"2026-10-01T14:18:12.957+00:00","affected":[{"ecosystem":"Vendor product","name":"Apache Karaf","ranges":[],"versions":[],"rawVersionEvidence":"{\n                    \"vendor\": \"Apache Software Foundation\",\n                    \"product\": \"Apache Karaf\",\n                    \"versions\": [\n                        {\n                            \"status\": \"affected\",\n                            \"version\": \"0\",\n                            \"lessThan\": \"4.4.12\",\n                            \"versionType\": \"semver\"\n                        }\n                    ],\n                    \"defaultStatus\": \"unaffected\"\n                }"}],"metrics":[],"references":["https://karaf.apache.org/security/cve-2026-91085.txt"],"sourceUrl":"https://www.cve.org/CVERecord?id=CVE-2026-91085","license":"CVE Program Terms of Use","key":"cve-program:CVE-2026-91085","identifiers":["CVE-2026-91085"]},"retained":false,"historicalAffected":[]}],"coverage":[{"source":"cisa-kev:global","scope":"Complete CISA KEV catalog; all vendors. Missing entries do not establish absence of exploitation.","generation":"2026-11-12T01:04:03.8350163+00:00","complete":true,"records":1779,"lastAttemptAt":"2026-11-12T01:04:03.8350163+00:00","lastSuccessAt":"2026-11-12T01:04:03.9938616+00:00","error":null,"lastVerifiedAt":"2026-11-12T01:04:03.9938674+00:00","snapshotPublishedAt":null,"importing":false,"stagedRecords":0,"checkedIdentifiers":null,"expectedIdentifiers":null,"failedIdentifiers":null},{"source":"cve-program","scope":"Official CVE Program baseline and cumulative hourly delta; all vendors, published and rejected records","generation":"cve-64752486c567b55b31fb0d7225f5222bcd0019564ac0ac5f0649e242c7b19299-8739c76e681f900923b900c9df0ef75cf421d39cabb54650c4b9ad19b6a76d85","complete":true,"records":424534,"lastAttemptAt":"2026-11-12T01:04:03.0430554+00:00","lastSuccessAt":"2026-11-12T01:04:03.0392424+00:00","error":null,"lastVerifiedAt":"2026-11-12T01:04:03.0430554+00:00","snapshotPublishedAt":"2026-11-12T00:38:29+00:00","importing":false,"stagedRecords":0,"checkedIdentifiers":null,"expectedIdentifiers":null,"failedIdentifiers":null},{"source":"euvd","scope":"Rolling EUVD lookups of CVE aliases in current public OSV archives; 500 identifiers per refresh, rechecked after 48 hours. Not a global EUVD catalog. Successful not-found lookups count as checked; they do not imply withdrawal or safety. No reader inventory is sent.","generation":"enrichment-a94795ede0ae44029956ac706676d1f3","complete":false,"records":13760,"lastAttemptAt":"2026-11-12T01:14:30.2249693+00:00","lastSuccessAt":"2026-11-12T01:14:30.219+00:00","error":"595 identifier lookups failed; latest failures include AccessDenied (HTTP 403). Other identifiers were checked independently.","lastVerifiedAt":"2026-11-12T01:14:30.219+00:00","snapshotPublishedAt":null,"importing":false,"stagedRecords":0,"checkedIdentifiers":13189,"expectedIdentifiers":13813,"failedIdentifiers":595},{"source":"first-epss:nuget","scope":"FIRST EPSS for explicit CVE aliases in the collected public NuGet archive. Not a global EPSS backfill.","generation":"2026-11-12T01:04:03.8350163+00:00","complete":true,"records":1097,"lastAttemptAt":"2026-11-12T01:04:03.8350163+00:00","lastSuccessAt":"2026-11-12T01:04:03.9946093+00:00","error":null,"lastVerifiedAt":"2026-11-12T01:04:03.9946097+00:00","snapshotPublishedAt":null,"importing":false,"stagedRecords":0,"checkedIdentifiers":null,"expectedIdentifiers":null,"failedIdentifiers":null},{"source":"nvd","scope":"Rolling NVD lookups of CVE aliases in current public OSV archives; 500 identifiers per refresh, rechecked after 48 hours. Not a global NVD catalog. Successful not-found lookups count as checked; they do not imply withdrawal or safety. No reader inventory is sent.","generation":"enrichment-edde915f937c494687954d1458194597","complete":true,"records":13760,"lastAttemptAt":"2026-11-12T01:04:54.1042073+00:00","lastSuccessAt":"2026-11-12T01:04:54.101+00:00","error":null,"lastVerifiedAt":"2026-11-12T01:04:54.101+00:00","snapshotPublishedAt":null,"importing":false,"stagedRecords":0,"checkedIdentifiers":13813,"expectedIdentifiers":13813,"failedIdentifiers":0},{"source":"osv:Go","scope":"Complete OSV Go ecosystem archive, including withdrawn and malicious-package source records; statement counts are not unique CVE counts","generation":"go-3562b6c78fd1bd0f0b55daf66a0926ae24f65e462df7f6d928caad458fc696bf","complete":true,"records":9947,"lastAttemptAt":"2026-11-12T01:04:03.677751+00:00","lastSuccessAt":"2026-11-11T04:27:43.6877707+00:00","error":null,"lastVerifiedAt":"2026-11-12T01:04:03.677751+00:00","snapshotPublishedAt":"2026-11-11T03:32:46+00:00","importing":false,"stagedRecords":0,"checkedIdentifiers":null,"expectedIdentifiers":null,"failedIdentifiers":null},{"source":"osv:NuGet","scope":"Complete OSV NuGet ecosystem archive, including GitHub Advisory Database records; NuGet version matching only","generation":"nuget-456002455e0ab94bb92c95476d4e6d175c104cd594749982afd96c893728ecbc","complete":true,"records":2010,"lastAttemptAt":"2026-11-12T01:04:03.0997578+00:00","lastSuccessAt":"2026-11-11T02:36:58.1276999+00:00","error":null,"lastVerifiedAt":"2026-11-12T01:04:03.0997578+00:00","snapshotPublishedAt":"2026-11-11T01:17:51+00:00","importing":false,"stagedRecords":0,"checkedIdentifiers":null,"expectedIdentifiers":null,"failedIdentifiers":null},{"source":"osv:crates.io","scope":"Complete OSV crates.io ecosystem archive, including withdrawn and malicious-package source records; statement counts are not unique CVE counts","generation":"crates.io-baa8362b4daf9e5f39d5563775a55935e7b442c0735d33274a921579ce4a0d66","complete":true,"records":3093,"lastAttemptAt":"2026-11-12T01:04:03.6923394+00:00","lastSuccessAt":"2026-11-11T13:00:02.5446881+00:00","error":null,"lastVerifiedAt":"2026-11-12T01:04:03.6923394+00:00","snapshotPublishedAt":"2026-11-11T12:47:47+00:00","importing":false,"stagedRecords":0,"checkedIdentifiers":null,"expectedIdentifiers":null,"failedIdentifiers":null},{"source":"osv:npm","scope":"Complete OSV npm ecosystem archive, including withdrawn and malicious-package source records; statement counts are not unique CVE counts","generation":"npm-685fe7fb2b690656c910a1ea42a9d294e8353311ac8ecfa691a9b0ff1b328804","complete":true,"records":231695,"lastAttemptAt":"2026-11-12T01:04:03.5701135+00:00","lastSuccessAt":"2026-11-11T21:58:47.7265713+00:00","error":null,"lastVerifiedAt":"2026-11-12T01:04:03.5701135+00:00","snapshotPublishedAt":"2026-11-11T21:48:35+00:00","importing":false,"stagedRecords":0,"checkedIdentifiers":null,"expectedIdentifiers":null,"failedIdentifiers":null}]}