vulntracker.iovulntracker.io
© 2026 vulntracker.io

CVE-2026-3237

MEDIUM
4.3
CVSS Score
Published: March 17, 2026 at 06:37 AM UTC
Updated: June 17, 2026 at 10:43 AM UTC
2 products affected across 2 vendorsOctopus ServerOctopus Server

Using Octopus Server by Octopus Deploy?

Get instant alerts when new vulnerabilities affect Octopus Server - before attackers find them.

Real-time alertsTrack your software stackFree plan available
Start FreeSign In
Severity
MEDIUM4.3
Exploit prediction
EPSS 0.2%
SSVC
No known exploit

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.

Affected

Our own answer: ranges merged, affected separated from platform-only, with confidence and review flags.

Octopus Server· Octopus
95%
v < 2025.3.147312025.4.51 ≤ v < 2025.4.103592026.1.675 ≤ v < 2026.1.5571
Octopus Server· Octopus Deploy
60%
2023.0.0 ≤ v < 2025.3.147312025.4.0 ≤ v < 2025.4.103592026.1.0 ≤ v < 2026.1.55712023.0.02025.4.02026.1.0
Affected range stops below 2025.3.14731, so it looks safe — our inference, not a vendor statement
Affected range stops below 2025.4.10359, so it looks safe — our inference, not a vendor statement
Affected range stops below 2026.1.5571, so it looks safe — our inference, not a vendor statement

Remediation

No guide yet

No remediation guidance has been written for this CVE yet. What the record does show:

Patch and advisory references

References (1)

Vendor Advisory
Source: cverecord
https://advisories.octopus.com/post/2026/sa2026-03

SSVC — Action Prioritization

SSVCNo known exploitNot automatablePartial impact

SSVC signals action urgency (what to patch first), separate from CVSS which measures severity.

CVSS

4.3MEDIUM[email protected]
Attack Vector
NETWORK
Complexity
LOW
Privileges
LOW
User Interaction
NONE
Scope
UNCHANGED
Confidentiality
NONE
Integrity
LOW
Availability
NONE
Vector?

Quick Info

StatusANALYZED
CWE
CWE-285

Get alerted

Stop reading CVE feeds looking for your own stack

Track the products you run and VulnTracker tells you when a new CVE affects them — with what is known about fixing it, and nothing about the rest.

Create accountSign in
Free plan, no card