CVE-2026-119407 Element Web and Element Desktop before 1.12.32 Forced Logout via Guest Credential URL Parameters
- Exploited in the wild
- Not known
- Fix
- None listed
What is CVE-2026-119407?
CVE-2026-119407 is a high-severity vulnerability in element-hq element-desktop, published on 30 Oct 2026.
Official description
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.
Weakness: CWE-352
Which versions are affected by CVE-2026-119407?
How do I fix CVE-2026-119407?
No fix has been published for CVE-2026-119407 yet. Limit exposure of the affected software until one is available.
Is CVE-2026-119407 being exploited?
There is no known exploitation of CVE-2026-119407 in the wild and no public exploit code.
Sources
Also known as GHSA-c88w-7h6p-27xr, GHSA-fm3q-8qwm-p5xr.