CSRF in Element-Hq Element-Desktop
CVE-2026-119407
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.
Vulnerability class: CSRF (Cross-Site Request Forgery)
Published · last modified .
CVSS v3 metric
CVSS v3 base score 7.1 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:L/A:H.
EPSS exploit prediction
No EPSS score from FIRST.org yet. New CVEs usually get one within a few days; no score means no signal yet, not low risk. How EPSS works.
Affected products
Weakness classification (CWE)
References
- github.com/element-hq/element-web/security/advisories/GHSA-c88w-7h6p-27xr (vendor-advisory)
- github.com/element-hq/element-web/commit/792453c88a399d570599f5d73b08b40157cd80… (patch)
- github.com/element-hq/element-web/blob/v1.12.31/apps/web/src/Lifecycle.ts (technical-description)
- github.com/element-hq/element-web/releases/tag/v1.12.32 (release-notes)
- abraxaslabs.tech/research/element-fragment-guest (third-party-advisory)
- github.com/element-hq/element-web (product)
- www.vulncheck.com/advisories/element-web-and-element-desktop-before-1.12.32-for… (third-party-advisory)
Frequently asked questions
- What is CVE-2026-119407?
- CVE-2026-119407 is a high-severity vulnerability in Element-Hq Element-Desktop, classified under Cross-Site Request Forgery (CSRF). CVSS score: 7.1/10. Published 2026-10-30.
- How severe is CVE-2026-119407?
- High severity. CVSS v3 base score is 7.1 out of 10.