CVE-2026-93453

SOGo before 5.12.11 Password Reset Token Interception via Origin Header

Published Sep 17, 2026 CVSS 4.0 · 8.7 High EPSS < 1% KEV · Not listed
Description
SOGo before 5.12.11 constructs password-reset links using the client-supplied Origin header as the authority, allowing unauthenticated attackers to redirect recovery tokens to attacker-controlled domains. Attackers can submit password recovery requests with a malicious Origin header to have valid password-reset tokens mailed to victim recovery addresses within links pointing to attacker infrastructure, enabling account takeover.

Remediation

No solution or workaround provided in the CVE record

Tracking

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Advisories

Source ID Title
Debian DSA Debian DSA DSA-6561-1 sogo security update
Ubuntu USN Ubuntu USN USN-8993-1 SOGo vulnerability
History
Type Values Removed Values Added
Metrics ssvc

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

Type Values Removed Values Added
Description SOGo before 5.12.11 constructs password-reset links using the client-supplied Origin header as the authority, allowing unauthenticated attackers to redirect recovery tokens to attacker-controlled domains. Attackers can submit password recovery requests with a malicious Origin header to have valid password-reset tokens mailed to victim recovery addresses within links pointing to attacker infrastructure, enabling account takeover.
Title SOGo before 5.12.11 Password Reset Token Interception via Origin Header
First Time appeared Alinto
Alinto sogo
Weaknesses CWE-640
CPEs cpe:2.3:a:alinto:sogo:*:*:*:*:*:*:*:*
Vendors & Products Alinto
Alinto sogo
References
Metrics cvssV3_1

{'score': 8.3, 'vector': 'CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:L'}

cvssV4_0

{'score': 8.7, 'vector': 'CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:P/VC:H/VI:H/VA:L/SC:N/SI:N/SA:N'}

Weaknesses

Sources

Status
PUBLISHED
Assigner
VulnCheck
Published
Updated
Sep 18, 2026, 6:02 PM
Reserved
Sep 17, 2026, 10:45 PM
Status
Deferred
Published
Sep 18, 2026, 12:17 AM
Modified
Sep 22, 2026, 8:43 PM