{"id":"CVE-2026-119755","aliases":[],"url":"https://o3.security/vulnerability/CVE-2026-119755","summary":"Tasmota through 16.0.0, fixed in commit 1cb7ebc, contains a cross-site request forgery vulnerability that allows unauthenticated attackers to bypass Referer-based CSRF protection in…","details":"Tasmota through 16.0.0, fixed in commit 1cb7ebc, contains a cross-site request forgery vulnerability that allows unauthenticated attackers to bypass Referer-based CSRF protection in HttpCheckPriviledgedAccess() by crafting a Referer header where the device hostname or IP appears as a substring immediately after http://.evil.com/. Attackers can lure an administrator on the device's network to a malicious page to issue arbitrary console commands and reconfigure Wi-Fi, MQTT, settings, or firmware on devices lacking a WebPassword.","published":"2026-11-09T18:17:22.163","modified":"2026-11-09T18:17:22.163","cvss":{"score":7.5,"severity":"HIGH","vector":"CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:H/I:H/A:H"},"epss":null,"cisaKev":null,"exploitsKnown":null,"affectedPackages":[],"fix":{"url":"https://github.com/arendst/Tasmota/commit/1cb7ebcafb0b79f1836d0e9948275f78abc17d7b","label":"arendst/Tasmota@1cb7ebc"},"references":[{"type":"WEB","url":"https://github.com/arendst/Tasmota/commit/1cb7ebcafb0b79f1836d0e9948275f78abc17d7b"},{"type":"WEB","url":"https://www.vulncheck.com/advisories/tasmota-csrf-via-referer-header-validation-bypass"}],"provenance":{"sources":["OSV.dev","NVD","FIRST.org (EPSS)"],"lastVerified":"2026-11-09T18:17:22.163"}}