CVE-2026-119407: fallo de gravedad alta en element-hq element-desktop
Element Web and Element Desktop before 1.12.32 Forced Logout via Guest Credential URL Parameters
Publicada el · Actualizada el
Aviso por correo cuando entre en el KEV, tenga PoC pública o suba de nota.
21Vexday Risk Score
Sin señal de explotación. Ningún artefacto público de explotación conocido hasta ahora.
ssvc Trackcvss 7.1epss 0.1%
Element Web and Element Desktop before 1.12.32 accept guest credentials from URL fragment parameters in loadSession, allowing remote unauthenticated attackers to log out users and clear local stores. Attackers can lure logged-in users into opening links with guest_user_id and guest_access_token to force an attacker-controlled guest session and destroy unbacked end-to-end encryption keys.
CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:P/VC:N/VI:L/VA:H/SC:N/SI:N/SA:N
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Referencias
https://abraxaslabs.tech/research/element-fragment-guesthttps://github.com/element-hq/element-webhttps://github.com/element-hq/element-web/blob/v1.12.31/apps/web/src/Lifecycle.ts#L188https://github.com/element-hq/element-web/commit/792453c88a399d570599f5d73b08b40157cd80c0https://github.com/element-hq/element-web/releases/tag/v1.12.32https://github.com/element-hq/element-web/security/advisories/GHSA-c88w-7h6p-27xrhttps://www.vulncheck.com/advisories/element-web-and-element-desktop-before-1.12.32-forced-logout-via-guest-credential-url-parameters