DEBIAN-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 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.
DEBIAN-CVE-2026-8496
Primary source · Revision 1
Imported from structured advisory data. Source references identify upstream records or fields; verify affected versions and your deployed configuration.
Security context
Source reference: osv:DEBIAN-CVE-2026-8496
sogo
Source reference: /affected/0/package/name
- Affected versions
- 5.8.0-1
Source reference:
/affected/0/versions5.8.0-2+deb12u1Source reference:
/affected/0/versions5.8.0-2+deb12u2Source reference:
/affected/0/versions - Fixed versions
- 5.8.0-2+deb12u3
Source reference:
/affected/0/ranges - Prerequisites
- Not stated in this record
sogo
Source reference: /affected/1/package/name
- Affected versions
- 5.12.1-3
Source reference:
/affected/1/versions5.12.1-3+deb13u1Source reference:
/affected/1/versions - Fixed versions
- 5.12.1-3+deb13u2
Source reference:
/affected/1/ranges - Prerequisites
- Not stated in this record
Structured affected-version data
Original package identities and version rules from this source.
[
{
"ranges": [
{
"type": "ECOSYSTEM",
"events": [
{
"introduced": "0"
},
{
"fixed": "5.8.0-2+deb12u3"
}
]
}
],
"package": {
"name": "sogo",
"purl": "pkg:deb/debian/sogo?arch=source&distro=bookworm",
"ecosystem": "Debian:12"
},
"versions": [
"5.8.0-1",
"5.8.0-2+deb12u1",
"5.8.0-2+deb12u2"
],
"database_specific": {
"source": "https://storage.googleapis.com/debian-osv/debian-cve-osv/DEBIAN-CVE-2026-8496.json"
},
"ecosystem_specific": {
"urgency": "not yet assigned"
}
},
{
"ranges": [
{
"type": "ECOSYSTEM",
"events": [
{
"introduced": "0"
},
{
"fixed": "5.12.1-3+deb13u2"
}
]
}
],
"package": {
"name": "sogo",
"purl": "pkg:deb/debian/sogo?arch=source&distro=trixie",
"ecosystem": "Debian:13"
},
"versions": [
"5.12.1-3",
"5.12.1-3+deb13u1"
],
"database_specific": {
"source": "https://storage.googleapis.com/debian-osv/debian-cve-osv/DEBIAN-CVE-2026-8496.json"
},
"ecosystem_specific": {
"urgency": "not yet assigned"
}
}
]Publisher severity
No explicit severity was provided.
- Event
- #58364 · Revision 1
- Added to Heist Feed
- Publisher date