CVE-2026-4881

In affected versions of Octopus Server, permissions were not checked correctly resulting in any authenticated user being able to make server level changes using a certain API endpoint despite receiving an error.

CVSS v3 6.5 MEDIUM

6.5^/10

CVSS v3 : MEDIUM

Vector :

Exploitability : 2.8 / Impact : 3.6

Attack Vector NETWORK

Attack Complexity LOW

Privileges Required LOW

User Interaction NONE

Confidentiality Impact NONE

Integrity Impact NONE

Availability Impact HIGH

Scope UNCHANGED

References

Link	Resource
https://advisories.octopus.com/post/2026/sa2026-04	Vendor Advisory

Configurations

Configuration 1 (hide)

OR	cpe:2.3:a:octopus:octopus_server::::::::
	cpe:2.3:a:octopus:octopus_server::::::::

History

No history.

Information

Published : 2026-06-04 10:16

Updated : 2026-07-22 20:10

NVD link : CVE-2026-4881

Mitre link : CVE-2026-4881

CVE.ORG link : CVE-2026-4881

JSON object : View

Products Affected

octopus

octopus_server

CWE

CWE-862

Missing Authorization

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