CVE-2026-101169

HIGHCVSS 8.7/10

Last modified

CVE-2026-101169 is a high-severity vulnerability rated 8.7/10 on the CVSS scale. In affected versions of Octopus Server, an authenticated user with permissions to edit an Environment or Project can set specifically crafted JSON content for the object. Insecure deserialization of this content allows the user to execute arbitrary code in the Octopus Server process..

Description

In affected versions of Octopus Server, an authenticated user with permissions to edit an Environment or Project can set specifically crafted JSON content for the object. Insecure deserialization of this content allows the user to execute arbitrary code in the Octopus Server process.

Metrics

Weakness Enumeration

Affected Software

Source: CNA advisory (CVE.org). NVD analysis pending.

VendorProductVersions
Octopus DeployOctopus Server>= 2019.4.1, < 2026.1.11781; >= 2026.2.0, < 2026.2.13441; >= 2026.3.0, < 2026.3.15829

References

Timeline

Published
Last Modified
Status
Received

Frequently Asked Questions

What is CVE-2026-101169?
In affected versions of Octopus Server, an authenticated user with permissions to edit an Environment or Project can set specifically crafted JSON content for the object. Insecure deserialization of this content allows the user to execute arbitrary code in the Octopus Server process.
How severe is CVE-2026-101169?
CVE-2026-101169 has a CVSS score of 8.7/10 (HIGH severity).
How do I fix CVE-2026-101169?
Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

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Source: NVD / NIST