CVE-2026-4881
MEDIUM EPSS 10.8%
Published Jun 4, 20264w ago · Modified Jun 17, 20262w ago
6.0 CVSS 4.0
Published Jun 4, 2026 4w ago
Last Modified Jun 17, 2026 2w ago
Description
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 Details
Base Score
Exploitability
Impact
Vector string
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/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X Attack Vector Network
Attack Complexity Low
Privileges Required Low
User Interaction None
Scope X
Threat Intelligence
EPSS Exploit Probability
10.8% percentile
Exploit & Patch Status
No Known Exploit
No Patch Available
Weaknesses 1
CWE-862 Missing Authorization Authorization
References 1
- advisories.octopus.com https://advisories.octopus.com/post/2026/sa2026-04
Remediation
No remediation data recorded yet
Check vendor advisories and the NVD entry for patch availability.