Critical
Undisclosed RCE in Zammad v6.3 and higher
Zammad versions 6.3.0 to 6.5.4 are vulnerable a session hijack vulnerability that leads to remote code execution as the zammad user. The bug is also present in version 7.0.0 to version 7.1.2, but not exploitable due to changes in the underlying framework.
Announced Group revision 1
Original source ↗CVE-2026-102489
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: cve:CVE-2026-102489
Zammad
Source reference: /containers/cna/affected/0/product
- Affected versions
- Not stated in this record
- Fixed versions
- Not stated in this record
- Prerequisites
- Not stated in this record
Structured affected-version data
Original package identities and version rules from this source.
[
{
"vendor": "Zammad GmbH",
"product": "Zammad",
"versions": [
{
"status": "unknown",
"version": "*",
"lessThan": "6.3.0",
"versionType": "semver"
},
{
"status": "affected",
"version": "6.3.0",
"lessThan": "6.5.4",
"versionType": "semver"
},
{
"status": "unknown",
"version": "7.0.0",
"lessThan": "7.1.3",
"versionType": "semver"
}
],
"platforms": [
"Linux",
"Docker"
],
"defaultStatus": "unaffected"
}
]- Related CVEs
- CVE-2026-102489
Source reference:
/cveMetadata/cveId
Publisher severity
critical
Source reference: /containers/cna/metrics
- Event
- #37734 · Revision 1
- Added to Heist Feed
- Publisher date