{"id":"CVE-2026-34393","aliases":["EUVD-2026-23005","GHSA-3382-gw9x-477v","PYSEC-2026-155"],"status":"published","title":"Weblate: Privilege escalation in the user API endpoint","description":"Weblate is a web based localization tool. In versions prior to 5.17, the user patching API endpoint didn't properly limit the scope of edits. This issue has been fixed in version 5.17.","severity":{"version":"3.1","score":8.8,"vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H","level":"high","assessor":"cna","from":"cve"},"epss":{"day":"2026-11-11","score":0.00391,"percentile":0.3366,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":true},"cwes":["CWE-269"],"published":"2026-04-15T18:24:30Z","modified":"2026-10-28T02:30:33Z","fixes":[{"ecosystem":"PyPI","package":"weblate","fixed_in":["5.17"],"sources":["ghsa","osv"]}],"affected":[{"source":"ghsa","ecosystem":"PyPI","package":"weblate","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"5.17"}]}]},{"source":"osv","ecosystem":"PyPI","package":"weblate","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"5.17"}]}],"versions":["1.9","2.0","2.1","2.10","2.10.1","2.11","2.12","2.13","2.13.1","2.14","2.14.1","2.15","2.16","2.17","2.17.1","2.18","2.19","2.19.1","2.2","2.20","2.3","2.4","2.5","2.6","2.7","2.8","2.9","3.0","3.0.1","3.1","3.1.1","3.10","3.10.1","3.10.2","3.10.3","3.11","3.11.1","3.11.2","3.11.3","3.2","3.2.1","3.2.2","3.3","3.4","3.5","3.5.1","3.6","3.6.1","3.7","3.7.1","3.8","3.9","3.9.1","4.0","4.0.1","4.0.2","4.0.3","4.0.4","4.1","4.1.1","4.10","4.10.1","4.11","4.11.1","4.11.2","4.12","4.12.1","4.12.2","4.13","4.13.1","4.14","4.14.1","4.14.2","4.15","4.15.1","4.15.2","4.16","4.16.1","4.16.2","4.16.3","4.16.4","4.17","4.18","4.18.1","4.18.2","4.2","4.2.1","4.2.2","4.3","4.3.1","4.3.2","4.4","4.4.1","4.4.2","4.5","4.5.1","4.5.2","4.5.3","4.6","4.6.1","4.6.2","4.7","4.7.1","4.7.2","4.8","4.8.1","4.9","4.9.1","5.0","5.0.1","5.0.2","5.1","5.1.1","5.10","5.10.1","5.10.2","5.10.3","5.10.4","5.11","5.11.1","5.11.3","5.11.4","5.12.1","5.12.2","5.13","5.13.1","5.13.2","5.13.3","5.14","5.14.1","5.14.2","5.14.3","5.15","5.15.1","5.15.2","5.16","5.16.1","5.16.2","5.2","5.2.1","5.3","5.3.1","5.4","5.4.1","5.4.2","5.4.3","5.5","5.5.2","5.5.3","5.5.4","5.5.5","5.6","5.6.1","5.6.2","5.7","5.7.1","5.7.2","5.8.1","5.8.2","5.8.3","5.8.4","5.9.1","5.9.2"]},{"source":"osv","ecosystem":"PyPI","package":"weblate","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"5.17"}]}],"versions":["1.9","2.0","2.1","2.10","2.10.1","2.11","2.12","2.13","2.13.1","2.14","2.14.1","2.15","2.16","2.17","2.17.1","2.18","2.19","2.19.1","2.2","2.20","2.3","2.4","2.5","2.6","2.7","2.8","2.9","3.0","3.0.1","3.1","3.1.1","3.10","3.10.1","3.10.2","3.10.3","3.11","3.11.1","3.11.2","3.11.3","3.2","3.2.1","3.2.2","3.3","3.4","3.5","3.5.1","3.6","3.6.1","3.7","3.7.1","3.8","3.9","3.9.1","4.0","4.0.1","4.0.2","4.0.3","4.0.4","4.1","4.1.1","4.10","4.10.1","4.11","4.11.1","4.11.2","4.12","4.12.1","4.12.2","4.13","4.13.1","4.14","4.14.1","4.14.2","4.15","4.15.1","4.15.2","4.16","4.16.1","4.16.2","4.16.3","4.16.4","4.17","4.18","4.18.1","4.18.2","4.2","4.2.1","4.2.2","4.3","4.3.1","4.3.2","4.4","4.4.1","4.4.2","4.5","4.5.1","4.5.2","4.5.3","4.6","4.6.1","4.6.2","4.7","4.7.1","4.7.2","4.8","4.8.1","4.9","4.9.1","5.0","5.0.1","5.0.2","5.1","5.1.1","5.10","5.10.1","5.10.2","5.10.3","5.10.4","5.11","5.11.1","5.11.3","5.11.4","5.12.1","5.12.2","5.13","5.13.1","5.13.2","5.13.3","5.14","5.14.1","5.14.2","5.14.3","5.15","5.15.1","5.15.2","5.16","5.16.1","5.16.2","5.2","5.2.1","5.3","5.3.1","5.4","5.4.1","5.4.2","5.4.3","5.5","5.5.2","5.5.3","5.5.4","5.5.5","5.6","5.6.1","5.6.2","5.7","5.7.1","5.7.2","5.8.1","5.8.2","5.8.3","5.8.4","5.9.1","5.9.2"]}],"products":[{"vendor":"weblate","product":"weblate"},{"vendor":"weblateorg","product":"weblate"}],"references":[{"url":"https://github.com/WeblateOrg/weblate/security/advisories/GHSA-3382-gw9x-477v","tags":["x_refsource_CONFIRM","Third Party Advisory","advisory","web"]},{"url":"https://github.com/WeblateOrg/weblate/pull/18687","tags":["x_refsource_MISC","Issue Tracking","Patch","fix","web"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2026-34393","tags":["advisory"]},{"url":"https://github.com/pypa/advisory-database/tree/main/vulns/weblate/PYSEC-2026-155.yaml","tags":["web"]},{"url":"https://github.com/advisories/GHSA-3382-gw9x-477v"},{"url":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/34xxx/CVE-2026-34393.json","tags":["advisory"]},{"url":"https://github.com/WeblateOrg/weblate","tags":["package"]}],"sources":{"cve":[{"id":"CVE-2026-34393","title":"Weblate: Privilege escalation in the user API endpoint","description":"Weblate is a web based localization tool. In versions prior to 5.17, the user patching API endpoint didn't properly limit the scope of edits. This issue has been fixed in version 5.17.","status":"published","published":"2026-04-15T18:24:30.813Z","modified":"2026-04-15T18:38:53.92Z","cvss":[{"version":"3.1","score":8.8,"vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H","level":"high","assessor":"cna"}],"cwes":["CWE-269"],"updated_at":"2026-11-02T14:20:14.302133Z"}],"euvd":[{"id":"EUVD-2026-23005","description":"Weblate is a web based localization tool. In versions prior to 5.17, the user patching API endpoint didn't properly limit the scope of edits. This issue has been fixed in version 5.17.","status":"published","published":"2026-04-15T18:24:30Z","modified":"2026-04-15T18:38:53Z","cvss":[{"version":"3.1","score":8.8,"vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H","level":"high"}],"updated_at":"2026-11-02T19:24:25.212217Z"}],"ghsa":[{"id":"GHSA-3382-gw9x-477v","title":"Weblate: Privilege escalation in the user API endpoint","description":"### Impact\n\nThe user patching API endpoint didn't properly limit the scope of edits.\n\n### Patches\n* https://github.com/WeblateOrg/weblate/pull/18687\n\n\n### References\nThanks to @tikket1 and @DavidCarliez for reporting this via GitHub. We received two individual reports for this.","status":"published","published":"2026-04-16T20:43:48Z","modified":"2026-06-08T19:54:31Z","cvss":[{"version":"3.1","score":8.8,"vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H","level":"high"}],"cwes":["CWE-269"],"updated_at":"2026-11-02T14:40:20.187636Z"}],"nvd":[{"id":"CVE-2026-34393","description":"Weblate is a web based localization tool. In versions prior to 5.17, the user patching API endpoint didn't properly limit the scope of edits. This issue has been fixed in version 5.17.","status":"published","published":"2026-04-15T19:16:36.07Z","modified":"2026-10-26T22:10:00.163Z","cvss":[{"version":"3.1","score":8.8,"vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H","level":"high","assessor":"secondary"}],"cwes":["CWE-269"],"updated_at":"2026-11-02T14:12:14.748836Z"}],"osv":[{"id":"CVE-2026-34393","title":"Weblate: Privilege escalation in the user API endpoint","description":"Weblate is a web based localization tool. In versions prior to 5.17, the user patching API endpoint didn't properly limit the scope of edits. This issue has been fixed in version 5.17.","status":"published","published":"2026-04-15T18:24:30.813Z","modified":"2026-10-28T02:30:33.366683821Z","cvss":[{"version":"3.1","score":8.8,"vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H","level":"high"}],"cwes":["CWE-269"],"updated_at":"2026-11-02T15:45:02.247031Z"},{"id":"GHSA-3382-gw9x-477v","title":"Weblate: Privilege escalation in the user API endpoint","description":"### Impact\n\nThe user patching API endpoint didn't properly limit the scope of edits.\n\n### Patches\n* https://github.com/WeblateOrg/weblate/pull/18687\n\n\n### References\nThanks to @tikket1 and @DavidCarliez for reporting this via GitHub. We received two individual reports for this.","status":"published","published":"2026-04-16T20:43:48Z","modified":"2026-06-08T20:00:14.341653142Z","cvss":[{"version":"3.1","score":8.8,"vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H","level":"high"}],"cwes":["CWE-269"],"updated_at":"2026-11-02T15:46:35.050232Z"},{"id":"PYSEC-2026-155","description":"Weblate is a web based localization tool. In versions prior to 5.17, the user patching API endpoint didn't properly limit the scope of edits. This issue has been fixed in version 5.17.","status":"published","published":"2026-04-15T19:16:36.07Z","modified":"2026-05-20T09:19:24.0179Z","cvss":[{"version":"3.1","score":8.8,"vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H","level":"high"}],"updated_at":"2026-11-02T15:52:55.06457Z"}]}}