Description
In affected versions of Octopus Server, a user with permission to upload a malicious nuget package is able to deploy a script step so the script executes outside of the parent directory.
Published: 2026-10-27
Score: 5.1 Medium
EPSS: n/a
KEV: No
Impact: n/a
Action: n/a
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, 27 Oct 2026 15:00:00 +0000

Type Values Removed Values Added
Title Out-of-Directory Script Execution via Malicious NuGet Packages on Octopus Server
Weaknesses CWE-22
CWE-264

Tue, 27 Oct 2026 13:45:00 +0000

Type Values Removed Values Added
Description In affected versions of Octopus Server, a user with permission to upload a malicious nuget package is able to deploy a script step so the script executes outside of the parent directory.
References
Metrics cvssV4_0

{'score': 5.1, 'vector': 'CVSS:4.0/AV:N/AC:L/AT:N/PR:H/UI:N/VC:N/VI:L/VA:L/SC:N/SI:N/SA:N'}

Subscriptions

No data.

cve-icon MITRE

Status: PUBLISHED

Assigner: Octopus

Published:

Updated: 2026-10-27T13:15:22.608Z

Reserved: 2026-06-22T10:55:01.254Z

Link: CVE-2026-12887

cve-icon Vulnrichment

No data.

cve-icon NVD

Status : Awaiting Analysis

Published: 2026-10-27T14:17:00.590

Modified: 2026-10-27T15:08:50.630

Link: CVE-2026-12887

cve-icon Redhat

No data.

cve-icon OpenCVE Enrichment

Updated: 2026-10-27T14:45:03Z

Weaknesses