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.
https://github.com/WeblateOrg/weblate/security/advisories/GHSA-m6hq-f4w9-qrjj
https://github.com/WeblateOrg/weblate/releases/tag/weblate-5.15
https://github.com/WeblateOrg/weblate/pull/16913
https://github.com/WeblateOrg/weblate/commit/02e904675f0608a6bbfbf9466eeccd9d022591e9
Published: 2025-12-15
Updated: 2025-12-18
Base Score: 10
Vector: CVSS2#AV:N/AC:L/Au:N/C:C/I:C/A:C
Severity: Critical
Base Score: 9.8
Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Severity: Critical
Base 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
Severity: Low
EPSS: 0.00013