In affected versions of Octopus Server, users with certain scoped permission sets could execute arbitrary scripts in an environment without possessing the required authorization.

Attack Vector Network

Attack Complexity Low

Privileges Required Low

Attack Requirements None

User Interaction None

Vulnerable System Confidentiality Impact None

Vulnerable System Integrity Impact High

Vulnerable System Availability Impact Low

Subsequent System Confidentiality Impact None

Subsequent System Integrity Impact None

Subsequent System Availability Impact None

No CVSS v3.1

No CVSS v3.0

No CVSS v2

This CVE is not in the KEV list.

The EPSS score is 0.00257.

Exploitation none

Automatable no

Technical Impact partial

Default status is the baseline for the product, each version can override it (e.g. patched versions marked unaffected).

Vendor Product Default status Versions
Octopus Deploy Octopus Server unaffected
Version Status Constraints
2019.5.9 affected < 2026.1.11739
2026.2.0 affected < 2026.2.13364
2026.3.0 affected < 2026.3.13951

No data.

No data.

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Vendors Products
Octopus Subscribe
Octopus Server Subscribe

Project Subscriptions

Vendors Products
Octopus Subscribe
Octopus Server Subscribe
Advisories

No advisories yet.

Fixes

Solution

No solution given by the vendor.

Workaround

No workaround given by the vendor.

References
Link Providers
https://advisories.octopus.com/post/2026/sa2026-13 cve-icon cve-icon
History

Fri, 02 Oct 2026 14:45:00 +0000

Type Values Removed Values Added
First Time appeared Octopus
Octopus octopus Server
Vendors & Products Octopus
Octopus octopus Server

Fri, 02 Oct 2026 09:30:00 +0000

Type Values Removed Values Added
Metrics ssvc

{'options': {'Automatable': 'no', 'Exploitation': 'none', 'Technical Impact': 'partial'}, 'version': '2.0.3'}

Thu, 01 Oct 2026 06:00:00 +0000

Type Values Removed Values Added
Title Arbitrary Script Execution Through Scoped Permission Flaws in Octopus Server

Thu, 01 Oct 2026 04:45:00 +0000

Type Values Removed Values Added
Description In affected versions of Octopus Server, users with certain scoped permission sets could execute arbitrary scripts in an environment without possessing the required authorization.
Weaknesses CWE-863
References
Metrics cvssV4_0

{'score': 7.1, 'vector': 'CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:N/VI:H/VA:L/SC:N/SI:N/SA:N'}

Projects

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cve-icon MITRE

Status: PUBLISHED

Assigner: Octopus

Published:

Updated: 2026-10-01T15:55:46.579Z

Reserved: 2026-08-24T01:59:35.230Z

Link: CVE-2026-78210

cve-icon Vulnrichment

Updated: 2026-10-01T15:55:41.407Z

cve-icon NVD

Status : Awaiting Analysis

Published: 2026-10-01T05:17:10.117

Modified: 2026-10-01T16:17:59.517

Link: CVE-2026-78210

cve-icon Redhat

No data.

cve-icon OpenCVE Enrichment

Updated: 2026-10-02T14:30:23Z

Weaknesses