{"id":"CVE-2026-44231","aliases":["DEBIAN-CVE-2026-44231","EUVD-2026-46079","GHSA-7rx2-x357-wv74","UBUNTU-CVE-2026-44231"],"status":"published","title":"RT: Privilege escalation and information disclosure via REST 2.0 user collection endpoint","description":"RT is an open source, enterprise-grade issue and ticket tracking system. Versions prior to 5.0.10, 6.0.0 and above, prior to 6.0.3 contain an information disclosure and privilege escalation vulnerability in the REST 2.0 API. A privileged (non-administrative) user can obtain authentication credentials belonging to other users — including users with administrative privileges — and use those credentials to read data as those users via RT's feed endpoints. The same request that exposes the credentials also rotates them, invalidating previously-distributed feed URLs across the instance. This issue has been fixed in versions 5.0.10 and 6.0.3.","severity":{"version":"3.1","score":9.1,"vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:L/A:L","level":"critical","assessor":"cna","from":"cve"},"epss":{"day":"2026-11-10","score":0.00249,"percentile":0.16307,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":true},"cwes":["CWE-200","CWE-269","CWE-863"],"published":"2026-05-21T00:00:00Z","modified":"2026-10-28T02:30:35Z","fixes":[{"ecosystem":"Debian:12","package":"request-tracker4","fixed_in":["4.4.6+dfsg-1.1+deb12u4"],"sources":["osv"]},{"ecosystem":"Debian:12","package":"request-tracker5","fixed_in":["5.0.3+dfsg-3~deb12u6"],"sources":["osv"]},{"ecosystem":"Debian:13","package":"request-tracker5","fixed_in":["5.0.7+dfsg-4+deb13u3"],"sources":["osv"]},{"ecosystem":"Debian:14","package":"request-tracker5","fixed_in":["5.0.10+dfsg-1"],"sources":["osv"]},{"ecosystem":"Ubuntu:Pro:22.04:LTS","package":"request-tracker5","fixed_in":["5.0.1+dfsg-1ubuntu1+esm2"],"sources":["osv"]},{"ecosystem":"Ubuntu:Pro:24.04:LTS","package":"request-tracker5","fixed_in":["5.0.5+dfsg-2ubuntu0.1~esm2"],"sources":["osv"]},{"ecosystem":"Ubuntu:Pro:26.04:LTS","package":"request-tracker5","fixed_in":["5.0.7+dfsg-6ubuntu0.1~esm1"],"sources":["osv"]}],"affected":[{"source":"osv","ecosystem":"Debian:12","package":"request-tracker4","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"4.4.6+dfsg-1.1+deb12u4"}]}],"versions":["4.4.6+dfsg-1.1","4.4.6+dfsg-1.1+deb12u1","4.4.6+dfsg-1.1+deb12u2","4.4.6+dfsg-1.1+deb12u3"]},{"source":"osv","ecosystem":"Debian:12","package":"request-tracker5","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"5.0.3+dfsg-3~deb12u6"}]}],"versions":["5.0.3+dfsg-2","5.0.3+dfsg-3~deb12u1","5.0.3+dfsg-3~deb12u2","5.0.3+dfsg-3~deb12u3","5.0.3+dfsg-3~deb12u4","5.0.3+dfsg-3~deb12u5"]},{"source":"osv","ecosystem":"Debian:13","package":"request-tracker5","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"5.0.7+dfsg-4+deb13u3"}]}],"versions":["5.0.7+dfsg-4","5.0.7+dfsg-4+deb13u1","5.0.7+dfsg-4+deb13u2"]},{"source":"osv","ecosystem":"Debian:14","package":"request-tracker5","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"5.0.10+dfsg-1"}]}],"versions":["5.0.7+dfsg-4","5.0.7+dfsg-5","5.0.7+dfsg-6","5.0.9+dfsg-1","5.0.9+dfsg-2","5.0.9+dfsg-3","5.0.9+dfsg-4"]},{"source":"osv","ecosystem":"Ubuntu:16.04:LTS","package":"request-tracker4","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["4.2.11-2","4.2.12-3","4.2.12-4","4.2.12-5"]},{"source":"osv","ecosystem":"Ubuntu:Pro:18.04:LTS","package":"request-tracker4","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["4.4.1-5","4.4.2-1","4.4.2-2","4.4.2-2ubuntu0.1~esm1"]},{"source":"osv","ecosystem":"Ubuntu:20.04:LTS","package":"request-tracker4","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["4.4.3-2","4.4.3-2+deb10u3build0.20.04.1"]},{"source":"osv","ecosystem":"Ubuntu:22.04:LTS","package":"request-tracker4","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["4.4.4+dfsg-2ubuntu1","4.4.4+dfsg-2ubuntu1.22.04.1"]},{"source":"osv","ecosystem":"Ubuntu:Pro:22.04:LTS","package":"request-tracker5","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"5.0.1+dfsg-1ubuntu1+esm2"}]}],"versions":["5.0.1+dfsg-1ubuntu1","5.0.1+dfsg-1ubuntu1+esm1"]},{"source":"osv","ecosystem":"Ubuntu:24.04:LTS","package":"request-tracker4","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["4.4.4+dfsg-2ubuntu1","4.4.4+dfsg-2ubuntu2","4.4.7+dfsg-1"]},{"source":"osv","ecosystem":"Ubuntu:Pro:24.04:LTS","package":"request-tracker5","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"5.0.5+dfsg-2ubuntu0.1~esm2"}]}],"versions":["5.0.1+dfsg-1ubuntu1","5.0.5+dfsg-2","5.0.5+dfsg-2ubuntu0.1~esm1"]},{"source":"osv","ecosystem":"Ubuntu:25.10","package":"request-tracker4","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["4.4.7+dfsg-4syncable1"]},{"source":"osv","ecosystem":"Ubuntu:25.10","package":"request-tracker5","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["5.0.7+dfsg-2","5.0.7+dfsg-3","5.0.7+dfsg-4"]},{"source":"osv","ecosystem":"Ubuntu:26.04:LTS","package":"request-tracker4","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["4.4.7+dfsg-4syncable1"]},{"source":"osv","ecosystem":"Ubuntu:Pro:26.04:LTS","package":"request-tracker5","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"5.0.7+dfsg-6ubuntu0.1~esm1"}]}],"versions":["5.0.7+dfsg-4","5.0.7+dfsg-6"]}],"products":[{"vendor":"bestpractical","product":"request_tracker"},{"vendor":"bestpractical","product":"rt"}],"references":[{"url":"https://github.com/bestpractical/rt/security/advisories/GHSA-7rx2-x357-wv74","tags":["x_refsource_CONFIRM","Mitigation","Vendor Advisory","advisory"]},{"url":"https://github.com/bestpractical/rt/releases/tag/rt-6.0.3","tags":["x_refsource_MISC","Release Notes","web"]},{"url":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/44xxx/CVE-2026-44231.json","tags":["advisory"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2026-44231","tags":["advisory"]},{"url":"https://security-tracker.debian.org/tracker/CVE-2026-44231","tags":["advisory"]},{"url":"https://ubuntu.com/security/CVE-2026-44231","tags":["report"]},{"url":"https://www.cve.org/CVERecord?id=CVE-2026-44231","tags":["report"]},{"url":"https://github.com/bestpractical/rt/releases/tag/rt-5.0.10","tags":["report"]},{"url":"https://ubuntu.com/security/notices/USN-8506-1","tags":["advisory"]}],"sources":{"cve":[{"id":"CVE-2026-44231","title":"RT: Privilege escalation and information disclosure via REST 2.0 user collection endpoint","description":"RT is an open source, enterprise-grade issue and ticket tracking system. Versions prior to 5.0.10, 6.0.0 and above, prior to 6.0.3 contain an information disclosure and privilege escalation vulnerability in the REST 2.0 API. A privileged (non-administrative) user can obtain authentication credentials belonging to other users — including users with administrative privileges — and use those credentials to read data as those users via RT's feed endpoints. The same request that exposes the credentials also rotates them, invalidating previously-distributed feed URLs across the instance. This issue has been fixed in versions 5.0.10 and 6.0.3.","status":"published","published":"2026-07-20T19:20:43.95Z","modified":"2026-07-21T12:46:48.161Z","cvss":[{"version":"3.1","score":9.1,"vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:L/A:L","level":"critical","assessor":"cna"}],"cwes":["CWE-200","CWE-269","CWE-863"],"updated_at":"2026-11-02T13:43:00.288193Z"}],"euvd":[{"id":"EUVD-2026-46079","description":"RT is an open source, enterprise-grade issue and ticket tracking system. Versions prior to 5.0.10, 6.0.0 and above, prior to 6.0.3 contain an information disclosure and privilege escalation vulnerability in the REST 2.0 API. A privileged (non-administrative) user can obtain authentication credentials belonging to other users — including users with administrative privileges — and use those credentials to read data as those users via RT's feed endpoints. The same request that exposes the credentials also rotates them, invalidating previously-distributed feed URLs across the instance. This issue has been fixed in versions 5.0.10 and 6.0.3.","status":"published","published":"2026-07-20T19:20:43Z","modified":"2026-07-21T12:46:48Z","cvss":[{"version":"3.1","score":9.1,"vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:L/A:L","level":"critical"}],"updated_at":"2026-11-02T18:19:47.436242Z"}],"nvd":[{"id":"CVE-2026-44231","description":"RT is an open source, enterprise-grade issue and ticket tracking system. Versions prior to 5.0.10, 6.0.0 and above, prior to 6.0.3 contain an information disclosure and privilege escalation vulnerability in the REST 2.0 API. A privileged (non-administrative) user can obtain authentication credentials belonging to other users — including users with administrative privileges — and use those credentials to read data as those users via RT's feed endpoints. The same request that exposes the credentials also rotates them, invalidating previously-distributed feed URLs across the instance. This issue has been fixed in versions 5.0.10 and 6.0.3.","status":"published","published":"2026-07-20T20:16:43.797Z","modified":"2026-10-24T20:10:00.137Z","cvss":[{"version":"3.1","score":9.1,"vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:L/A:L","level":"critical","assessor":"secondary"}],"cwes":["CWE-200","CWE-269","CWE-863"],"updated_at":"2026-11-02T14:12:31.024898Z"}],"osv":[{"id":"CVE-2026-44231","title":"RT: Privilege escalation and information disclosure via REST 2.0 user collection endpoint","description":"RT is an open source, enterprise-grade issue and ticket tracking system. Versions prior to 5.0.10, 6.0.0 and above, prior to 6.0.3 contain an information disclosure and privilege escalation vulnerability in the REST 2.0 API. A privileged (non-administrative) user can obtain authentication credentials belonging to other users — including users with administrative privileges — and use those credentials to read data as those users via RT's feed endpoints. The same request that exposes the credentials also rotates them, invalidating previously-distributed feed URLs across the instance. This issue has been fixed in versions 5.0.10 and 6.0.3.","status":"published","published":"2026-07-20T19:20:43.95Z","modified":"2026-10-28T02:30:35.099555155Z","cvss":[{"version":"3.1","score":9.1,"vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:L/A:L","level":"critical"}],"cwes":["CWE-200","CWE-269","CWE-863"],"updated_at":"2026-11-02T15:45:04.820169Z"},{"id":"DEBIAN-CVE-2026-44231","description":"RT is an open source, enterprise-grade issue and ticket tracking system. Versions prior to 5.0.10, 6.0.0 and above, prior to 6.0.3 contain an information disclosure and privilege escalation vulnerability in the REST 2.0 API. A privileged (non-administrative) user can obtain authentication credentials belonging to other users — including users with administrative privileges — and use those credentials to read data as those users via RT's feed endpoints. The same request that exposes the credentials also rotates them, invalidating previously-distributed feed URLs across the instance. This issue has been fixed in versions 5.0.10 and 6.0.3.","status":"published","published":"2026-07-20T20:16:43.797Z","modified":"2026-10-25T09:47:36.756722024Z","cvss":[{"version":"3.1","score":9.1,"vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:L/A:L","level":"critical"}],"updated_at":"2026-11-02T15:45:55.669088Z"},{"id":"UBUNTU-CVE-2026-44231","description":"RT is an open source, enterprise-grade issue and ticket tracking system. Versions prior to 5.0.10, 6.0.0 and above, prior to 6.0.3 contain an information disclosure and privilege escalation vulnerability in the REST 2.0 API. A privileged (non-administrative) user can obtain authentication credentials belonging to other users — including users with administrative privileges — and use those credentials to read data as those users via RT's feed endpoints. The same request that exposes the credentials also rotates them, invalidating previously-distributed feed URLs across the instance. This issue has been fixed in versions 5.0.10 and 6.0.3.","status":"published","published":"2026-05-21T00:00:00Z","modified":"2026-07-29T10:17:12.427709284Z","cvss":[{"version":"3.1","score":9.1,"vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:L/A:L","level":"critical"}],"updated_at":"2026-11-02T16:56:22.075798Z"}]}}