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.
Published: 2026-09-29
Score: 8.7 High
EPSS: < 1% Very Low
KEV: No
AI Analysis

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Remediation

No vendor fix or workaround currently provided.

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Tracking

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Advisories

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History

Tue, 29 Sep 2026 13:15:00 +0000

Type Values Removed Values Added
Title Authenticated Insecure Deserialization Enables Arbitrary Code Execution in Octopus Server

Tue, 29 Sep 2026 08:00:00 +0000

Type Values Removed Values Added
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.
Weaknesses CWE-502
References
Metrics cvssV4_0

{'score': 8.7, 'vector': 'CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N'}

Subscriptions

No data.

cve-icon MITRE

Status: PUBLISHED

Assigner: Octopus

Published:

Updated: 2026-09-29T07:49:29.618Z

Reserved: 2026-09-28T09:09:50.229Z

Link: CVE-2026-101169

cve-icon Vulnrichment

No data.

cve-icon NVD

Status : Received

Published: 2026-09-29T08:17:19.823

Modified: 2026-09-29T08:17:19.823

Link: CVE-2026-101169

cve-icon Redhat

No data.

cve-icon OpenCVE Enrichment

Updated: 2026-09-29T10:00:16Z

Weaknesses
  • CWE-502

    Deserialization of Untrusted Data