Octopus Deploy Octopus Server

CVE-2026-91778
HIGH 7.2

At a glance

Source
NVD
EPSS
EPSS 0.43 % · percentile 38 ()
State
PUBLISHED
Published
Updated
Assigner
Octopus
NVD status
Awaiting Analysis

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.

Weaknesses (CWE)

  • CWE-863 — Incorrect Authorization

References

Scores

VersionScoreVectorScored by
CVSS 4.0HIGH 7.2CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:N/VI:H/VA:H/SC:N/SI:N/SA:NOctopus
CVSS 4.0HIGH 7.2CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:N/VI:H/VA:H/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:XNVD · security@octopus.com (Secondary)

European references

Affected products

ProductVersions
Octopus Deploy · Octopus Serveraffected 2019.0.0 < 2026.1.11725 ; affected 2026.2.0 < 2026.2.13344 ; affected 2026.3.0 < 2026.3.11816

Sources

SourceLicence
CVE List (CVEProject cvelistV5)CVE Program Terms of Use
EPSS (FIRST.org)FIRST — attribution requested
ENISA EUVDENISA — reproduction authorised, source acknowledged
NVD (NIST) via fkie-cad/nvd-json-data-feedsPublic domain — this product uses data from the NVD API but is not endorsed or certified by the NVD