CVE-2026-119407 (GCVE-0-2026-119407)
Vulnerability from cvelistv5 – Published: 2026-10-30 11:30 – Updated: 2026-11-04 02:08
VLAI
EPSS
VEX
Title
Element Web and Element Desktop before 1.12.32 Forced Logout via Guest Credential URL Parameters
Summary
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.
Severity
SSVC
Exploitation: none
Automatable: no
Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-11-04 02:08 UTC
CWE
- CWE-352 - Cross-Site Request Forgery (CSRF)
Assigner
References
7 references
| URL | Tags |
|---|---|
| https://github.com/element-hq/element-web/securit… | vendor-advisory |
| https://github.com/element-hq/element-web/commit/… | patch |
| https://github.com/element-hq/element-web/blob/v1… | technical-description |
| https://github.com/element-hq/element-web/release… | release-notes |
| https://abraxaslabs.tech/research/element-fragmen… | third-party-advisory |
| https://github.com/element-hq/element-web | product |
| https://www.vulncheck.com/advisories/element-web-… | third-party-advisory |
Impacted products
2 products
| Vendor | Product | Version | CPE status | |
|---|---|---|---|---|
| element-hq | element-web |
Affected:
0 , < 1.12.32
(semver)
Unaffected: 1.12.32 (semver) |
guessed | |
| element-hq | element-desktop |
Affected:
0 , < 1.12.32
(semver)
Unaffected: 1.12.32 (semver) |
guessed |
Date Public
2026-10-16 00:00
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