{"id":"CVE-2025-64725","aliases":["EUVD-2025-203443","GHSA-m6hq-f4w9-qrjj","PYSEC-2026-2042"],"status":"published","title":"Weblate has improper validation upon invitation acceptance","description":"Weblate is a web based localization tool. In versions prior to 5.15, it was possible to accept an invitation opened by a different user. Version 5.15. contains a patch. As a workaround, avoid leaving one's Weblate sessions with an invitation opened unattended.","severity":{"version":"4.0","score":1,"vector":"CVSS:4.0/AV:L/AC:H/AT:P/PR:L/UI:P/VC:L/VI:L/VA:N/SC:N/SI:N/SA:N","level":"low","assessor":"cna","from":"cve"},"epss":{"day":"2026-11-11","score":0.00349,"percentile":0.28926,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":true},"cwes":["CWE-286"],"published":"2025-12-15T19:58:09Z","modified":"2026-10-28T02:30:41Z","fixes":[{"ecosystem":"PyPI","package":"weblate","fixed_in":["5.15"],"sources":["ghsa","osv"]}],"affected":[{"source":"ghsa","ecosystem":"PyPI","package":"weblate","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"5.15"}]}]},{"source":"osv","ecosystem":"PyPI","package":"weblate","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"5.15"}]}],"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","5.2","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":"5.15"}]}],"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","5.2","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-m6hq-f4w9-qrjj","tags":["x_refsource_CONFIRM","Vendor Advisory","advisory","web"]},{"url":"https://github.com/WeblateOrg/weblate/pull/16913","tags":["x_refsource_MISC","Issue Tracking","fix","web"]},{"url":"https://github.com/WeblateOrg/weblate/commit/02e904675f0608a6bbfbf9466eeccd9d022591e9","tags":["x_refsource_MISC","Patch","fix","web"]},{"url":"https://github.com/WeblateOrg/weblate/releases/tag/weblate-5.15","tags":["x_refsource_MISC","Release Notes","web"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2025-64725","tags":["advisory"]},{"url":"https://github.com/advisories/GHSA-m6hq-f4w9-qrjj","tags":["advisory"]},{"url":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2025/64xxx/CVE-2025-64725.json","tags":["advisory"]},{"url":"https://github.com/WeblateOrg/weblate","tags":["package"]},{"url":"https://pypi.org/project/weblate","tags":["package"]}],"sources":{"cve":[{"id":"CVE-2025-64725","title":"Weblate has improper validation upon invitation acceptance","description":"Weblate is a web based localization tool. In versions prior to 5.15, it was possible to accept an invitation opened by a different user. Version 5.15. contains a patch. As a workaround, avoid leaving one's Weblate sessions with an invitation opened unattended.","status":"published","published":"2025-12-15T20:21:06.867Z","modified":"2025-12-15T20:55:54.124Z","cvss":[{"version":"4.0","score":1,"vector":"CVSS:4.0/AV:L/AC:H/AT:P/PR:L/UI:P/VC:L/VI:L/VA:N/SC:N/SI:N/SA:N","level":"low","assessor":"cna"}],"cwes":["CWE-286"],"updated_at":"2026-11-02T14:32:46.750177Z"}],"euvd":[{"id":"EUVD-2025-203443","description":"Weblate is a web based localization tool. In versions prior to 5.15, it was possible to accept an invitation opened by a different user. Version 5.15. contains a patch. As a workaround, avoid leaving one's Weblate sessions with an invitation opened unattended.","status":"published","published":"2025-12-15T20:21:06Z","modified":"2025-12-15T20:55:54Z","cvss":[{"version":"4.0","score":1,"vector":"CVSS:4.0/AV:L/AC:H/AT:P/PR:L/UI:P/VC:L/VI:L/VA:N/SC:N/SI:N/SA:N","level":"low"}],"updated_at":"2026-11-02T19:49:05.078672Z"}],"ghsa":[{"id":"GHSA-m6hq-f4w9-qrjj","title":"Weblate has improper validation upon invitation acceptance","description":"### Impact\n\nIt was possible to accept an invitation opened by a different Weblate user.\n\n### Patches\n\n* https://github.com/WeblateOrg/weblate/pull/16913\n\n### Workarounds\n\nUsers should avoid leaving Weblate sessions with an unattended opened invitation.\n\n### References\n\nThanks to Nahid0x for responsibly disclosing this vulnerability to Weblate.","status":"published","published":"2025-12-15T19:58:09Z","modified":"2025-12-17T00:29:26Z","cvss":[{"version":"4.0","score":1,"vector":"CVSS:4.0/AV:L/AC:H/AT:P/PR:L/UI:P/VC:L/VI:L/VA:N/SC:N/SI:N/SA:N","level":"low"}],"cwes":["CWE-286"],"updated_at":"2026-11-02T14:39:13.204325Z"}],"nvd":[{"id":"CVE-2025-64725","description":"Weblate is a web based localization tool. In versions prior to 5.15, it was possible to accept an invitation opened by a different user. Version 5.15. contains a patch. As a workaround, avoid leaving one's Weblate sessions with an invitation opened unattended.","status":"published","published":"2025-12-15T21:15:59.33Z","modified":"2026-10-07T19:10:00.16Z","cvss":[{"version":"4.0","score":1,"vector":"CVSS:4.0/AV:L/AC:H/AT:P/PR:L/UI:P/VC:L/VI:L/VA:N/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X","level":"low","assessor":"secondary"},{"version":"3.1","score":9.8,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H","level":"critical","assessor":"primary"}],"cwes":["CWE-286"],"updated_at":"2026-11-02T14:11:50.400521Z"}],"osv":[{"id":"CVE-2025-64725","title":"Weblate has improper validation upon invitation acceptance","description":"Weblate is a web based localization tool. In versions prior to 5.15, it was possible to accept an invitation opened by a different user. Version 5.15. contains a patch. As a workaround, avoid leaving one's Weblate sessions with an invitation opened unattended.","status":"published","published":"2025-12-15T20:21:06.867Z","modified":"2026-10-28T02:30:41.877484604Z","cvss":[{"version":"4.0","score":1,"vector":"CVSS:4.0/AV:L/AC:H/AT:P/PR:L/UI:P/VC:L/VI:L/VA:N/SC:N/SI:N/SA:N","level":"low"}],"cwes":["CWE-286"],"updated_at":"2026-11-02T15:44:51.851511Z"},{"id":"GHSA-m6hq-f4w9-qrjj","title":"Weblate has improper validation upon invitation acceptance","description":"### Impact\n\nIt was possible to accept an invitation opened by a different Weblate user.\n\n### Patches\n\n* https://github.com/WeblateOrg/weblate/pull/16913\n\n### Workarounds\n\nUsers should avoid leaving Weblate sessions with an unattended opened invitation.\n\n### References\n\nThanks to Nahid0x for responsibly disclosing this vulnerability to Weblate.","status":"published","published":"2025-12-15T19:58:09Z","modified":"2026-09-10T03:50:58.67036892Z","cvss":[{"version":"4.0","score":1,"vector":"CVSS:4.0/AV:L/AC:H/AT:P/PR:L/UI:P/VC:L/VI:L/VA:N/SC:N/SI:N/SA:N","level":"low"}],"cwes":["CWE-286"],"updated_at":"2026-11-02T15:46:51.463834Z"},{"id":"PYSEC-2026-2042","title":"Weblate has improper validation upon invitation acceptance","description":"### Impact\n\nIt was possible to accept an invitation opened by a different Weblate user.\n\n### Patches\n\n* https://github.com/WeblateOrg/weblate/pull/16913\n\n### Workarounds\n\nUsers should avoid leaving Weblate sessions with an unattended opened invitation.\n\n### References\n\nThanks to Nahid0x for responsibly disclosing this vulnerability to Weblate.","status":"published","published":"2026-07-07T16:03:12.872307Z","modified":"2026-07-07T17:47:56.392969426Z","cvss":[{"version":"4.0","score":1,"vector":"CVSS:4.0/AV:L/AC:H/AT:P/PR:L/UI:P/VC:L/VI:L/VA:N/SC:N/SI:N/SA:N","level":"low"}],"updated_at":"2026-11-02T15:52:55.537808Z"}]}}