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MEDIUM · 4.3

CVE-2026-3237

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 h...

Vulnerability Description

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.

CVSS Score

4.3

MEDIUM

CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:N
Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
LOW
User Interaction
NONE
Scope
UNCHANGED
Confidentiality
NONE
Integrity
LOW
Availability
NONE

Affected Products

VendorProductVersions
OctopusOctopus Server< 2025.3.14731

Related Weaknesses (CWE)

CWE-285

References

FAQ

What is CVE-2026-3237?

CVE-2026-3237 is a vulnerability with a CVSS score of 4.3 (MEDIUM). 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 h...

How severe is CVE-2026-3237?

CVE-2026-3237 has been rated MEDIUM with a CVSS base score of 4.3/10. Review the CVSS metrics above for detailed severity breakdown.

Is there a patch for CVE-2026-3237?

Check the references section above for vendor advisories and patch information. Affected products include: Octopus Octopus Server.