CVE-2026-3237

Medium

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.

SeverityMedium
CVSS4.3
Exploit probability—
ProductOctopus Server
PublishedMar 17, 2026
First seenMar 17, 2026
Weakness typeCWE-285CWE-285

How to fix

Update
  • octopus octopus_server2025.3.14731, 2025.4.10359, 2026.1.5571 or later

Affected products

ProductAffected versionsFixed in
octopus octopus_serverv < 2025.3.14731, 2025.4.51 ≤ v < 2025.4.10359, 2026.1.675 ≤ v < 2026.1.55712025.3.14731, 2025.4.10359, 2026.1.5571

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