CVE-2026-3237

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.

Risk Information

Base Score

4.3

MODERATE

Vector

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

EPSS Score

Exploitation Probability

0.031

Associated Vulnerability

Vulnerability	OS Platform
Vulnerabilities CVE-2026-3237 are affected in Octopus Server 2025.3.14730	Windows
Vulnerabilities CVE-2026-3237 are affected in Octopus Server 2025.4.10358	Windows
Vulnerabilities CVE-2026-3237 are affected in Octopus Server 2026.1.5570	Windows

Patch Details

No records found

References

https://nvd.nist.gov/vuln/detail/CVE-2023-1234
https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2023-1234