CVE-2026-124628: Octopus Server · Incorrect Authorization
Affects Octopus ServerSource CVE Database V5
Not known to be exploited · CVSS 8.7 High : upgrade to 2026.3.15936 or 2026.2.13526 soon.
Data as of 12 Nov 2026, 13:49 UTC
Thin evidence
One scorer or none| CNA (Octopus) | CVSS 4.0 | 8.7 |
|---|
- Patch
- Available – fixed in 2026.3.15936, 2026.2.13526
CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:NExploitation evidence
Disclosed: evidence found.
CVE published 12 Nov 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 12 Nov 2026.
What to do
Upgrade Octopus Server to 2026.3.15936 or 2026.2.13526.
Affected software
| Product | Affected | Fixed in |
|---|---|---|
| Octopus DeployOctopus Server | Affected
| Fixed in
|
| Octopus DeployOctopus Server | Affected
| Fixed in
|
AI-suggested
Fixed versions 2026.2.13526 and 2026.3.15936 address this vulnerability. Users should upgrade to these or later versions to remediate the issue. No additional mitigation steps are indicated by the vendor advisory.
Description
CVE-2026-124628 is a high-severity vulnerability in Octopus Server where users could bypass restrictions on self-service LDAP identity editing. This flaw allowed users to modify their LDAP identity even when administrators had disabled such edits, potentially granting unauthorized team memberships and escalating privileges to administrative levels if those teams had elevated rights. The issue affects specific versions of Octopus Server prior to fixed releases in 2026.3.15936 and 2026.2.13526.