CVE-2026-4881

6.0 mediumEPSS 0.2%

Medium (6.0) in octopus octopus server. EPSS 0.2% chance of exploitation in the next 30 days.

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.

Severity

CVSS 4.0

6.0 medium

CVSS:4.0/AV:N/AC:L/AT:P/PR:L/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N

CVSS 3.1

6.5 medium

CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H

EPSS: 0.2% chance of exploitation in the next 30 days; higher than 11% of CVEs (scores of 2026-10-31)
CWE: CWE-862
Published: 2026-06-04
Modified: 2026-07-22
Record from: the NVD, synced 2026-10-19

Affected

octopus:octopus_server

References

https://advisories.octopus.com/post/2026/sa2026-04

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