CVE-2026-119407

Element Web and Element Desktop before 1.12.32 Forced Logout via Guest Credential URL Parameters

Published Oct 30, 2026 CVSS 4.0 · 7.1 High EPSS < 1% KEV · Not listed
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.

Remediation

No solution or workaround provided in the CVE record

Tracking

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Advisories

No advisories available
History
Type Values Removed Values Added
Metrics ssvc

{'options': {'Automatable': 'no', 'Exploitation': 'none', 'Technical Impact': 'partial'}, 'version': '2.0.3'}

Type Values Removed Values Added
First Time appeared Element-hq
Element-hq element-web
Vendors & Products Element-hq
Element-hq element-web
Type Values Removed Values Added
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.
Title Element Web and Element Desktop before 1.12.32 Forced Logout via Guest Credential URL Parameters
First Time appeared Element
Element element
Weaknesses CWE-352
CPEs cpe:2.3:a:element:element:*:*:*:*:*:*:*:*
Vendors & Products Element
Element element
References
Metrics cvssV3_1

{'score': 7.1, 'vector': 'CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:L/A:H'}

cvssV4_0

{'score': 7.1, 'vector': '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'}

Weaknesses

Sources

Status
PUBLISHED
Assigner
VulnCheck
Published
Updated
Nov 6, 2026, 5:35 PM
Reserved
Oct 30, 2026, 1:22 AM
Status
Awaiting Analysis
Published
Oct 30, 2026, 12:16 PM
Modified
Nov 4, 2026, 2:17 AM