{"id":"CVE-2026-73162","aliases":["EUVD-2026-55994","GHSA-75j5-9v4m-c666"],"status":"published","title":"cti-transmute CSRF Allows Unauthorized Follow and Notification State Changes","description":"Affected versions of MISP cti-transmute expose several state-changing account operations as GET requests:\n\n\n\n  *  \n/account/follow\n\n\n  *  \n/account/delete_notification\n\n\n  *  \n/account/mark_notification_read\n\n\n  *  \n/account/mark_all_read\n\n\n\n\n\nThese endpoints require authentication, but before the fix they could be invoked with simple GET requests. That makes them susceptible to cross-site request forgery because a third-party site can induce the victim’s browser to send authenticated GET requests automatically.\n\n\nThe patch converts the actions to POST or DELETE and updates the frontend to include an X-CSRFToken header, providing explicit CSRF protection for those state-changing operations.","severity":{"version":"4.0","score":5.3,"vector":"CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:P/VC:N/VI:L/VA:N/SC:N/SI:N/SA:N","level":"medium","assessor":"cna","from":"cve"},"epss":{"day":"2026-11-10","score":0.00248,"percentile":0.16199,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-352"],"published":"2026-08-11T09:13:14Z","modified":"2026-10-28T02:30:42Z","products":[{"vendor":"misp","product":"cti-transmute"}],"references":[{"url":"https://github.com/MISP/cti-transmute/commit/c352c2329e48ccc33a2b96d5353450cfbf7e89ec","tags":["patch","fix"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2026-73162","tags":["advisory"]},{"url":"https://github.com/advisories/GHSA-75j5-9v4m-c666"},{"url":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/73xxx/CVE-2026-73162.json","tags":["advisory"]},{"url":"https://github.com/MISP/cti-transmute","tags":["package"]}],"sources":{"cve":[{"id":"CVE-2026-73162","title":"cti-transmute CSRF Allows Unauthorized Follow and Notification State Changes","description":"Affected versions of MISP cti-transmute expose several state-changing account operations as GET requests:\n\n\n\n  *  \n/account/follow\n\n\n  *  \n/account/delete_notification\n\n\n  *  \n/account/mark_notification_read\n\n\n  *  \n/account/mark_all_read\n\n\n\n\n\nThese endpoints require authentication, but before the fix they could be invoked with simple GET requests. That makes them susceptible to cross-site request forgery because a third-party site can induce the victim’s browser to send authenticated GET requests automatically.\n\n\nThe patch converts the actions to POST or DELETE and updates the frontend to include an X-CSRFToken header, providing explicit CSRF protection for those state-changing operations.","status":"published","published":"2026-08-11T09:13:14.31Z","modified":"2026-08-11T16:50:04.22Z","cvss":[{"version":"4.0","score":5.3,"vector":"CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:P/VC:N/VI:L/VA:N/SC:N/SI:N/SA:N","level":"medium","assessor":"cna"}],"cwes":["CWE-352"],"updated_at":"2026-11-02T13:43:33.766176Z"}],"euvd":[{"id":"EUVD-2026-55994","description":"Affected versions of MISP cti-transmute expose several state-changing account operations as GET requests:\n\n\n\n  *  \n/account/follow\n\n\n  *  \n/account/delete_notification\n\n\n  *  \n/account/mark_notification_read\n\n\n  *  \n/account/mark_all_read\n\n\n\n\n\nThese endpoints require authentication, but before the fix they could be invoked with simple GET requests. That makes them susceptible to cross-site request forgery because a third-party site can induce the victim’s browser to send authenticated GET requests automatically.\n\n\nThe patch converts the actions to POST or DELETE and updates the frontend to include an X-CSRFToken header, providing explicit CSRF protection for those state-changing operations.","status":"published","published":"2026-08-11T09:13:14Z","modified":"2026-08-11T16:50:04Z","cvss":[{"version":"4.0","score":5.3,"vector":"CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:P/VC:N/VI:L/VA:N/SC:N/SI:N/SA:N","level":"medium"}],"updated_at":"2026-11-02T18:01:59.926728Z"}],"ghsa":[{"id":"GHSA-75j5-9v4m-c666","title":"Affected versions of MISP cti-transmute expose several state-changing account operations as GET...","description":"Affected versions of MISP cti-transmute expose several state-changing account operations as GET requests:\n\n\n\n  *  \n/account/follow\n\n\n  *  \n/account/delete_notification\n\n\n  *  \n/account/mark_notification_read\n\n\n  *  \n/account/mark_all_read\n\n\n\n\n\nThese endpoints require authentication, but before the fix they could be invoked with simple GET requests. That makes them susceptible to cross-site request forgery because a third-party site can induce the victim’s browser to send authenticated GET requests automatically.\n\n\nThe patch converts the actions to POST or DELETE and updates the frontend to include an X-CSRFToken header, providing explicit CSRF protection for those state-changing operations.","status":"published","published":"2026-08-11T12:30:22Z","modified":"2026-08-11T12:30:28Z","cvss":[{"version":"4.0","score":5.3,"vector":"CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:P/VC:N/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":"medium"}],"cwes":["CWE-352"],"updated_at":"2026-11-02T15:10:17.025827Z"}],"nvd":[{"id":"CVE-2026-73162","description":"Affected versions of MISP cti-transmute expose several state-changing account operations as GET requests:\n\n\n\n  *  \n/account/follow\n\n\n  *  \n/account/delete_notification\n\n\n  *  \n/account/mark_notification_read\n\n\n  *  \n/account/mark_all_read\n\n\n\n\n\nThese endpoints require authentication, but before the fix they could be invoked with simple GET requests. That makes them susceptible to cross-site request forgery because a third-party site can induce the victim’s browser to send authenticated GET requests automatically.\n\n\nThe patch converts the actions to POST or DELETE and updates the frontend to include an X-CSRFToken header, providing explicit CSRF protection for those state-changing operations.","status":"published","published":"2026-08-11T10:17:13.18Z","modified":"2026-10-24T15:10:00.19Z","cvss":[{"version":"4.0","score":5.3,"vector":"CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:P/VC:N/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":"medium","assessor":"secondary"}],"cwes":["CWE-352"],"updated_at":"2026-11-02T14:12:36.499002Z"}],"osv":[{"id":"CVE-2026-73162","title":"cti-transmute CSRF Allows Unauthorized Follow and Notification State Changes","description":"Affected versions of MISP cti-transmute expose several state-changing account operations as GET requests:\n\n\n\n  *  \n/account/follow\n\n\n  *  \n/account/delete_notification\n\n\n  *  \n/account/mark_notification_read\n\n\n  *  \n/account/mark_all_read\n\n\n\n\n\nThese endpoints require authentication, but before the fix they could be invoked with simple GET requests. That makes them susceptible to cross-site request forgery because a third-party site can induce the victim’s browser to send authenticated GET requests automatically.\n\n\nThe patch converts the actions to POST or DELETE and updates the frontend to include an X-CSRFToken header, providing explicit CSRF protection for those state-changing operations.","status":"published","published":"2026-08-11T09:13:14.31Z","modified":"2026-10-28T02:30:42.939944543Z","cvss":[{"version":"4.0","score":5.3,"vector":"CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:P/VC:N/VI:L/VA:N/SC:N/SI:N/SA:N","level":"medium"}],"cwes":["CWE-352"],"updated_at":"2026-11-02T15:45:15.88521Z"}]}}