CVE-2026-119407
Element Web and Element Desktop before 1.12.32 accept guest credentials from URL fragment…
- Risk score
- 48/100
- CVSS
- 7.1 v3.1
- Published
- 30 Oct 2026
Open in the live forecast Today's forecast
What to know
- What it is
- 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-co…
- Affected
- See advisory
- Fix
- Upgrade the product to 1.12.32 or later.
- Exploitation
- No known exploitation
Why it is Yellow
- CVSS 7.1 high
- Remotely exploitable without logging in
References
- https://abraxaslabs.tech/research/element-fragment-guest
- https://github.com/element-hq/element-web
- https://github.com/element-hq/element-web/blob/v1.12.31/apps/web/src/Lifecycle.ts#L188
- https://github.com/element-hq/element-web/commit/792453c88a399d570599f5d73b08b40157cd80c0
- https://github.com/element-hq/element-web/releases/tag/v1.12.32
- https://github.com/element-hq/element-web/security/advisories/GHSA-c88w-7h6p-27xr
- https://www.vulncheck.com/advisories/element-web-and-element-desktop-before-1.12.32-forced-logout-via-guest-credential-url-parameters
Original 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.
Last activity 30 Oct 2026. Patch Forecast updates every hour.