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CVE-2026-14163: Octopus Server Security Vulnerability (CVSS 7.1)

CVE-2026-14163 is a high severity security vulnerability in Octopus Server with a CVSS score of 7.1. Apply the vendor fix and confirm exposure on internet facing and business critical assets first.

Last updated: Sep 2, 2026

Quick answer

Direct answer

CVE-2026-14163 is a high severity security vulnerability in Octopus Server with a CVSS score of 7.1. Apply the vendor fix and confirm exposure on internet facing and business critical assets first.

Risk scores

CVSS base score
7.1HIGH
EPSS probability
0.23%
Higher than 12 percent of all CVEs
CISA KEV
Not listed
CVSS metricWhat it means
Attack vector (AV:N)Network: reachable remotely
Attack complexity (AC:L)Low complexity
Attack requirements (AT:N)No attack requirements
Privileges required (PR:L)Low privileges required
User interaction (UI:N)No user interaction
Confidentiality (VC:H)High confidentiality impact
Integrity (VI:N)No integrity impact
Availability (VA:N)No availability impact

CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:H/VI:N/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

About Octopus Server

CVE-2026-14163 affects Octopus Server, a product from Octopus. Before acting, confirm where Octopus Server runs in your estate, who owns it and whether it is reachable from the internet, because exposure decides real risk more than the score alone.

What the flaw is

In plain terms: In affected versions of Octopus Server under certain circumstances it is possible for sensitive variables to be printed in the deployment variable snapshot in clear-text.

Based on its CVSS vector, the flaw can be reached over the network, needs some level of access, and needs no user interaction. Apply the vendor fix and confirm exposure on internet facing and business critical assets first.

Affected versions and timeline

FieldDetail
ProductOctopus Server
Affected versionsOctopus Server from 3.2.7 before 2026.1.11587; Octopus Server from 2026.2.61 before 2026.2.13190
PublishedAug 20, 2026
Last modifiedSep 2, 2026
Added to CISA KEVNot listed
Assigning CNAsecurity@octopus.com

How to detect it

  • Inventory every instance of Octopus Server and record the running version against the affected range above.
  • Check external attack surface scans for internet facing instances of the component.
  • Review logs on affected systems for unusual requests, errors or new processes around the vulnerable function.
  • Confirm with an authenticated vulnerability scan once your scanner has a check for this CVE.

How to fix it

  • Apply the fixed version of Octopus Server named in the vendor advisory.
  • If patching must wait, restrict network access to the affected service and put it behind authentication or a web application firewall rule.
  • Rescan after the change to prove the exposure is gone, then close the ticket.

CTEM action plan

CTEM stageWhat to do for this CVE
ScopeAdd every business service that depends on Octopus Server to the current CTEM cycle.
DiscoverFind all instances, including shadow and cloud deployments, and record versions and exposure.
PrioritizeRank using EPSS and CVSS together with asset exposure and business impact.
ValidateConfirm the flaw is reachable and exploitable in your environment and that compensating controls work.
MobilizeAssign the fix to the asset owner with a due date matched to the priority, then verify closure.

CWE References

Technical References

Frequently asked questions

CVE-2026-14163 is a high severity security vulnerability in Octopus Server with a CVSS score of 7.1. Apply the vendor fix and confirm exposure on internet facing and business critical assets first.

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