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OpenAdvisories
High · 7.2 CVE-2026-91778 EUVD-2026-78314GHSA-9wjw-f37c-vj83

In affected versions of Octopus Server, users with certain scoped permission sets could execute arbitrary scripts on a worker (including th…

Published Sep 15, 2026 · Updated Sep 15, 2026 · Assigned by Octopus

Description

In affected versions of Octopus Server, users with certain scoped permission sets could execute arbitrary scripts on a worker (including the Octopus Server built-in worker). Incorrect permission validation during script execution would allow the script to execute without the user possessing the required authorisation.

Affected products

VendorProductAffectedFixed
Octopus Deploy Octopus Server 2019.0.0 – < 2026.1.11725, 2026.2.0 – < 2026.2.13344, 2026.3.0 – < 2026.3.11816 2026.1.11725

Advisories 1

References