CVE-2026-3237
Last modified
CVE-2026-3237 is a medium-severity vulnerability rated 4.3/10 on the CVSS scale. 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.. EPSS estimates a 0.15% chance of exploitation in the next 30 days.
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.
Metrics
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:N
CVSS:4.0/AV:N/AC:L/AT:P/PR:L/UI:N/VC:N/VI:L/VA:N/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
Weakness Enumeration
Affected Software
| Vendor | Product | Versions |
|---|---|---|
| Octopus | Octopus Server | < 2025.3.14731 |
| Octopus | Octopus Server | >= 2025.4.51, < 2025.4.10359 |
| Octopus | Octopus Server | >= 2026.1.675, < 2026.1.5571 |
References
- https://advisories.octopus.com/post/2026/sa2026-03Vendor Advisory
Timeline
- Published
- Last Modified
- Status
- Analyzed
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