CVE-2026-8496 Affecting sogo package, versions <5.8.0-2+deb12u3
Threat Intelligence
The probability is the direct output of the EPSS model, and conveys an overall sense of the threat of exploitation in the wild. The percentile measures the EPSS probability relative to all known EPSS scores. Note: This data is updated daily, relying on the latest available EPSS model version. Check out the EPSS documentation for more details.
Do your applications use this vulnerable package?
In a few clicks we can analyze your entire application and see what components are vulnerable in your application, and suggest you quick fixes.
Test your applications- Snyk IDSNYK-DEBIAN12-SOGO-16747144
- published18 May 2026
- disclosed13 May 2026
Introduced: 13 May 2026
CVE-2026-8496 (opens in a new tab)How to fix?
Upgrade Debian:12 sogo to version 5.8.0-2+deb12u3 or higher.
NVD Description
Note: Versions mentioned in the description apply only to the upstream sogo package and not the sogo package as distributed by Debian.
See How to fix? for Debian:12 relevant fixed versions and status.
A cross-site scripting (XSS) vulnerability exists in Alinto SOGo, version 5.12.7. A maliciously crafted ICS calendar invitation files allows arbitrary JavaScript execution within the authenticated SOGo webmail session. The issue occurs because SVG content embedded in the description field of an ICS file, with an onrepeat event handler, is insufficiently sanitized before being rendered in the webmail interface. A remote attacker can execute JavaScript in the victim's browser when the malicious calendar invite is viewed. Successful exploitation may allow mailbox access, email and contact theft, session hijacking, and other actions allowed by an authenticated user.