CVE-2026-93453 SOGo - Open Redirect

SOGo < 5.12.11 contains an open redirect caused by using client-supplied Origin header in password-reset links, letting unauthenticated attackers redirect recovery tokens to attacker domains, exploit requires crafted Origin header.

CVSS base score 8.3 /10
High
CISA KEV
Not listed
Public exploit
Proof of concept available
Authentication
Not required
EPSS
0.49% chance of exploitation in 30 days
View the NVD record ↗

Details

Type
Open Redirect
Impact
Broken Authentication
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:L
Published
18 September 2026
Updated
15 October 2026
Weakness
CWE-640

Vendor fix

Update to version 5.12.11 or later.

Patching closes this CVE. It does not tell you which of your systems run the affected version, or what else is exposed alongside them.

References

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