CVE-2026-118426 PUBLISHED

Assigner: Octopus
Reserved: 28.10.2026 Published: 29.10.2026 Updated: 29.10.2026

In affected versions of Octopus Server with the LDAP authentication provider enabled, any authenticated user could call the LDAP user search and LDAP group search.

Metrics

CVSS 4.0

CVSS Vector: CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:L/VI:N/VA:N/SC:N/SI:N/SA:N
CVSS Score: 5.3

Exploitability Metrics		Vulnerable System Impact Metrics		Subsequent System Impact Metrics
Attack Vector	Network	Confidentiality	Low	Confidentiality	None
Attack Complexity	Low	Integrity	None	Integrity	None
Attack Requirements	None	Availability	None	Availability	None
Privileges Required	Low
User Interaction	None

CVSS 4.0

Product Status

Vendor	Octopus Deploy
Product	Octopus Server
Versions	Default: unaffected affected from 3.0.0 to 2026.2.13487 (excl.) affected from 2026.3.0 to 2026.3.15909 (excl.)

Credits

This vulnerability was found by Nathan Willoughby finder

References

https://advisories.octopus.com/post/2026/sa2026-18

Problem Types

CWE-862: Missing Authorization CWE