In affected versions of Octopus Server it was possible for a low privileged user to manipulate an API request to change the signing key expiration and revocation time frames via an API endpoint that had incorrect permission validation. It was not possible to expose the signing keys using this vulnerability.
Attack Parameters
Attack Vector
Network
Can be exploited remotely
Attack Complexity
Low
Easy to exploit
Attack Requirements
Present
Additional conditions required
Privileges Required
Low
Basic privileges needed
User Interaction
None
No user interaction needed
Impact Assessment
Confidentiality
None
No data leak
Integrity
Low
Partial data modification
Availability
None
No disruption
CVSS Vector v4.0
Weakness Type (CWE)
Vulnerable Products 3
| Configuration | From (including) | Up to (excluding) |
|---|---|---|
|
Octopus Octopus_Server
cpe:2.3:a:octopus:octopus_server:*:*:*:*:*:*:*:*
|
— |
2025.3.14731
|
|
Octopus Octopus_Server
cpe:2.3:a:octopus:octopus_server:*:*:*:*:*:*:*:*
|
2025.4.51
|
2025.4.10359
|
|
Octopus Octopus_Server
cpe:2.3:a:octopus:octopus_server:*:*:*:*:*:*:*:*
|
2026.1.675
|
2026.1.5571
|