What is CVE-2026-8496?

CVE-2026-8496 is a medium-severity vulnerability in Alinto Sogo, classified under CWE-79 IMPROPER NEUTRALIZATION OF INPUT DURING WEB PAGE GENERATION ('CROSS-SITE SCRIPTING'). CVSS score: 6.1/10. Published 2026-05-13.

How severe is CVE-2026-8496?

Medium severity. CVSS v3 base score is 6.1 out of 10.

Vulnerability in Alinto Sogo

CVE-2026-8496

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 be…

EPSS: 0.000 (15.5th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 6.1 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N.

Affected products

Alinto Sogo — versions 0

References

cret@cert.org
cret@cert.org
cret@cert.org

Frequently asked questions

What is CVE-2026-8496?: CVE-2026-8496 is a medium-severity vulnerability in Alinto Sogo, classified under CWE-79 IMPROPER NEUTRALIZATION OF INPUT DURING WEB PAGE GENERATION ('CROSS-SITE SCRIPTING'). CVSS score: 6.1/10. Published 2026-05-13.
How severe is CVE-2026-8496?: Medium severity. CVSS v3 base score is 6.1 out of 10.