Samba AD authenticated LDAP access domain takeover
Affects sambaSource GCVE Database
Not known to be exploited · fixed in 2:4.15.13+dfsg-0ubuntu1.13 : patch samba soon.
Data as of 25 Oct 2026, 10:17 UTC
Rated by Threat Radar · CVSS not yet scored by NVD
- Patch
- Available – fixed in 2:4.15.13+dfsg-0ubuntu1.13, 2:4.19.5+dfsg-4ubuntu9.7, 2:4.23.6+dfsg-1ubuntu2.2
Exploitation evidence
Disclosed: evidence found.
CVE published 28 Jul 2026
Detectable: no evidence on record.
No public nuclei template indexed
Weaponised: no evidence on record.
No public exploit code indexed in Metasploit or Exploit-DB
Exploited in the wildExploited: no evidence on record.
Not in CISA KEV and no source reports exploitation
Observed by OffSeq MirageSeen by Mirage: no evidence on record.
No attack traffic recorded by OffSeq Mirage sensors
A missing step is not evidence of safety. Sources: cve.org (opens in a new tab), the Metasploit, Exploit-DB and nuclei-templates index as of 26 Oct 2026.
What to do
Upgrade the Ubuntu samba to 2:4.15.13+dfsg-0ubuntu1.13 (package) or 2:4.19.5+dfsg-4ubuntu9.7 (package) or 2:4.23.6+dfsg-1ubuntu2.2 (package).
Affected software
| Product | Affected | Fixed in |
|---|---|---|
Ubuntu 26.04 LTSsambapkg:deb/ubuntu/samba@2:4.23.6+dfsg-1ubuntu2.2?arch=source&distro=resoluteOther threats | Affected
| Fixed in
|
Ubuntu 24.04 LTSsambapkg:deb/ubuntu/samba@2:4.19.5+dfsg-4ubuntu9.7?arch=source&distro=nobleOther threats | Affected
| Fixed in
|
Ubuntu 22.04 LTSsambapkg:deb/ubuntu/samba@2:4.15.13+dfsg-0ubuntu1.13?arch=source&distro=jammyOther threats | Affected
| Fixed in
|
Ubuntu Pro 20.04 LTSsambapkg:deb/ubuntu/samba@2:4.15.13+dfsg-0ubuntu0.20.04.8+esm2?arch=source&distro=esm-infra/focalOther threats | Affected
| Fixed in– |
Ubuntu Pro 18.04 LTSsambapkg:deb/ubuntu/samba@2:4.7.6+dfsg~ubuntu-0ubuntu2.29+esm3?arch=source&distro=esm-infra/bionicOther threats | Affected
| Fixed in– |
Ubuntu Pro 16.04 LTSsambapkg:deb/ubuntu/samba@2:4.3.11+dfsg-0ubuntu0.16.04.34+esm4?arch=source&distro=esm-infra/xenialOther threats | Affected
| Fixed in– |
Check your own hosts for these packages with threat-finder (opens in a new tab), our free open-source scanner.
AI-suggested
A fix is available and users should update Samba to the patched versions provided by Ubuntu for their respective releases. Specifically, update to samba package versions 2:4.15.13+dfsg-0ubuntu1.13 for Ubuntu 22.04 LTS, 2:4.19.5+dfsg-4ubuntu9.7 for Ubuntu 24.04 LTS, and 2:4.23.6+dfsg-1ubuntu2.2 for Ubuntu 26.04 LTS. Applying these updates will remediate the vulnerability.
Description
A vulnerability in Samba Active Directory allows low-privilege authenticated LDAP users to modify internal LDB special distinguished names, enabling a domain takeover. This issue affects multiple Ubuntu package versions of Samba. The vulnerability has been addressed in updated Samba packages for various Ubuntu LTS releases.