In affected versions of Octopus Server with the LDAP authentication provider enabled, any authenticated user could
Source GCVE Database
Not known to be exploited · CVSS 5.3 Medium : upgrade to 2026.3.15909 or 2026.2.13487 when convenient.
Data as of 29 Oct 2026, 07:12 UTC
Thin evidence
One scorer or none| CNA (Octopus) | CVSS 4.0 | 5.3 |
|---|
- Patch
- Available – fixed in 2026.3.15909, 2026.2.13487
CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:L/VI:N/VA:N/SC:N/SI:N/SA:NExploitation evidence
Disclosed: evidence found.
CVE published 29 Oct 2026
Detectable: no evidence on record.
No public nuclei template indexed
Weaponized: 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 29 Oct 2026.
What to do
Upgrade Octopus Server to 2026.3.15909 or 2026.2.13487.
Affected software
| Product | Affected | Fixed in |
|---|---|---|
| Octopus DeployOctopus Server | Affected
| Fixed in
|
| Octopus DeployOctopus Server | Affected
| Fixed in
|
AI-suggested
In the meantime, consider restricting LDAP authentication usage or limiting user permissions as a precaution.
Description
In certain versions of Octopus Server with LDAP authentication enabled, any authenticated user could perform LDAP user and group searches. This vulnerability allows authenticated users to query LDAP directory information beyond their intended permissions.