ALPINE-CVE-2026-3012
A flaw was found in Samba’s certificate auto-enrollment Group Policy handling. When certificate auto-enrollment is enabled, Samba may retrieve a CA certificate over an unencrypted HTTP connection and install it into the local trust store without proper verification. An attacker with the ability to intercept or redirect network traffic could exploit this behavior to supply a malicious certificate authority certificate, potentially allowing interception or spoofing of trusted communications.
ALPINE-CVE-2026-3012
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:ALPINE-CVE-2026-3012
samba
Source reference: /affected/0/package/name
- Affected versions
- Not stated in this record
- Fixed versions
- 4.22.10-r0
Source reference:
/affected/0/ranges - Prerequisites
- Not stated in this record
samba
Source reference: /affected/1/package/name
- Affected versions
- Not stated in this record
- Fixed versions
- 4.23.8-r0
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": "4.16.0"
},
{
"fixed": "4.22.10-r0"
}
]
}
],
"package": {
"name": "samba",
"purl": "pkg:apk/alpine/samba?arch=source",
"ecosystem": "Alpine:v3.23"
},
"database_specific": {
"source": "https://storage.googleapis.com/cve-osv-conversion/alpine/ALPINE-CVE-2026-3012.json"
},
"ecosystem_specific": {}
},
{
"ranges": [
{
"type": "ECOSYSTEM",
"events": [
{
"introduced": "4.16.0"
},
{
"fixed": "4.23.8-r0"
}
]
}
],
"package": {
"name": "samba",
"purl": "pkg:apk/alpine/samba?arch=source",
"ecosystem": "Alpine:v3.24"
},
"database_specific": {
"source": "https://storage.googleapis.com/cve-osv-conversion/alpine/ALPINE-CVE-2026-3012.json"
},
"ecosystem_specific": {}
}
]Publisher severity
No explicit severity was provided.
- Event
- #54239 · Revision 1
- Added to Heist Feed
- Publisher date