{"id":"CVE-2026-41194","aliases":["EUVD-2026-24225","GHSA-6rvw-fhqx-cfv5"],"status":"published","title":"FreeScout's Mailbox OAuth disconnect uses a state-changing GET and is CSRFable","description":"FreeScout is a free self-hosted help desk and shared mailbox. Prior to version 1.8.215, the mailbox OAuth disconnect action is implemented as `GET /mailbox/oauth-disconnect/{id}/{in_out}/{provider}`. It removes stored OAuth metadata from the mailbox and then redirects. Because it is a GET route, no CSRF token is required and the action can be triggered cross-site against a logged-in mailbox admin. Version 1.8.215 fixes the vulnerability.","severity":{"version":"3.1","score":5.4,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:L/A:L","level":"medium","assessor":"cna","from":"cve"},"epss":{"day":"2026-11-09","score":0.0012,"percentile":0.01825,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-352"],"published":"2026-04-21T17:16:50Z","modified":"2026-10-28T02:30:32Z","products":[{"vendor":"freescout-help-desk","product":"freescout"}],"references":[{"url":"https://github.com/freescout-help-desk/freescout/security/advisories/GHSA-6rvw-fhqx-cfv5","tags":["x_refsource_CONFIRM","advisory"]},{"url":"https://github.com/freescout-help-desk/freescout/commit/eb397efae2086524ba0ee91abb916de8db7a4ac1","tags":["x_refsource_MISC","fix"]},{"url":"https://github.com/freescout-help-desk/freescout/releases/tag/1.8.215","tags":["x_refsource_MISC","web"]},{"url":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/41xxx/CVE-2026-41194.json","tags":["advisory"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2026-41194","tags":["advisory"]}],"sources":{"cve":[{"id":"CVE-2026-41194","title":"FreeScout's Mailbox OAuth disconnect uses a state-changing GET and is CSRFable","description":"FreeScout is a free self-hosted help desk and shared mailbox. Prior to version 1.8.215, the mailbox OAuth disconnect action is implemented as `GET /mailbox/oauth-disconnect/{id}/{in_out}/{provider}`. It removes stored OAuth metadata from the mailbox and then redirects. Because it is a GET route, no CSRF token is required and the action can be triggered cross-site against a logged-in mailbox admin. Version 1.8.215 fixes the vulnerability.","status":"published","published":"2026-04-21T17:16:50.438Z","modified":"2026-04-22T13:24:47.019Z","cvss":[{"version":"3.1","score":5.4,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:L/A:L","level":"medium","assessor":"cna"}],"cwes":["CWE-352"],"updated_at":"2026-11-02T13:41:08.498858Z"}],"euvd":[{"id":"EUVD-2026-24225","description":"FreeScout is a free self-hosted help desk and shared mailbox. Prior to version 1.8.215, the mailbox OAuth disconnect action is implemented as `GET /mailbox/oauth-disconnect/{id}/{in_out}/{provider}`. It removes stored OAuth metadata from the mailbox and then redirects. Because it is a GET route, no CSRF token is required and the action can be triggered cross-site against a logged-in mailbox admin. Version 1.8.215 fixes the vulnerability.","status":"published","published":"2026-04-21T17:16:50Z","modified":"2026-04-22T13:24:47Z","cvss":[{"version":"3.1","score":5.4,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:L/A:L","level":"medium"}],"updated_at":"2026-11-02T19:24:21.101387Z"}],"nvd":[{"id":"CVE-2026-41194","description":"FreeScout is a free self-hosted help desk and shared mailbox. Prior to version 1.8.215, the mailbox OAuth disconnect action is implemented as `GET /mailbox/oauth-disconnect/{id}/{in_out}/{provider}`. It removes stored OAuth metadata from the mailbox and then redirects. Because it is a GET route, no CSRF token is required and the action can be triggered cross-site against a logged-in mailbox admin. Version 1.8.215 fixes the vulnerability.","status":"published","published":"2026-04-21T18:16:53.4Z","modified":"2026-06-17T10:46:18.47Z","cvss":[{"version":"3.1","score":5.4,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:L/A:L","level":"medium","assessor":"secondary"}],"cwes":["CWE-352"],"updated_at":"2026-11-02T14:12:15.493943Z"}],"osv":[{"id":"CVE-2026-41194","title":"FreeScout's Mailbox OAuth disconnect uses a state-changing GET and is CSRFable","description":"FreeScout is a free self-hosted help desk and shared mailbox. Prior to version 1.8.215, the mailbox OAuth disconnect action is implemented as `GET /mailbox/oauth-disconnect/{id}/{in_out}/{provider}`. It removes stored OAuth metadata from the mailbox and then redirects. Because it is a GET route, no CSRF token is required and the action can be triggered cross-site against a logged-in mailbox admin. Version 1.8.215 fixes the vulnerability.","status":"published","published":"2026-04-21T17:16:50.438Z","modified":"2026-10-28T02:30:32.049806536Z","cvss":[{"version":"3.1","score":5.4,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:L/A:L","level":"medium"}],"cwes":["CWE-352"],"updated_at":"2026-11-02T15:45:03.764807Z"}]}}