Vulnerability Assessment
| Weakness |
CWE
OWASP Top 10:2025
A01:2025 - Broken Access Control
ASVS 5.0
V8 - Authorization Access control enforcement
MITRE ATT&CK
1 technique across 1 tactic: Defense Evasion The technique list with ATT&CK links and the kill-chain view is part of the Basic plan and up. |
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Alert meAnalysisAIv1 – Jul 27, 2026
Improper access control in Octopus Deploy allows an authenticated attacker with high privileges to trigger deployments without proper authorization. Affected versions include Octopus Server 2023.0.0 through 2026.1.x before 2026.1.11587 and 2026.2.0 before 2026.2.13190. No active exploitation or public exploit code is known; EPSS indicates low exploitation probability.
Affected VersionsENISA
Affected Packages
Source: OSV (Open Source Vulnerabilities)
Affects your stack
Affects 1 package in euvd
Checking this CVE against your own stacks and servers is part of the Basic plan and up.
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Severity by source
CVSS:4.0/AV:N/AC:L/AT:N/PR:H/UI:N/VC:N/VI:L/VA:N/SC:N/SI:N/SA:N
Primary rating from Vendor (Octopus) · only source for this CVE.
CVSS VectorVendor: Octopus
Lifecycle Timeline
1DescriptionCVE.org
In affected versions of Octopus Deploy Insufficient checks on the project trigger actions allows an unauthorized user to trigger a deployment.
Threat Intelligence Overview
How this decision was reached
The engine reads each signal below and applies a fixed list of rules from top to bottom. The first rule that matches sets the recommended action – like a statement, every line is shown.
What every action level means
SSVC AssessmentENISA
Priority Score
Attack Technique
Authentication bypass attacks exploit flaws in the verification mechanisms that control access to systems and applications.
More in Octopus Deploy
View allIn Octopus Deploy 2019.1.0 through 2019.3.1 and 2019.4.0 through 2019.4.5, an authenticated user with the VariableViewUn
In Octopus Deploy 2.0 and later before 2018.3.7, an authenticated user, with variable edit permissions, can scope some v
Server-level configuration changes can be made by any authenticated low-privilege user in Octopus Server through a speci
Cross-site scripting (XSS) vulnerability in the All Variables tab in Octopus Deploy 3.4.0-3.13.6 (fixed in 3.13.7) allow
In Octopus Deploy 3.4.x before 2018.4.7, an authenticated user is able to view/update/save variable values within the Te
In Octopus Deploy before 4.1.3, the machine update process doesn't check that the user has access to all environments. R
Path traversal in Octopus Server allows an authenticated low-privilege user to overwrite arbitrary files on the server f
In Octopus Deploy before 2020.1.5, for customers running on-premises Active Directory linked to their Octopus server, an
An issue was discovered in Octopus Deploy before 4.1.9. Rated high severity (CVSS 8.8), this vulnerability is remotely e
In Octopus Deploy versions 3.2.11 - 4.1.5 (fixed in 4.1.6), an authenticated user with ProcessEdit permission could refe
Authenticated remote code execution in Octopus Server allows any user whose role grants permission to edit an Environmen
Privilege escalation in Octopus Server lets an authenticated user who already holds permission to modify roles weaken a
EUVD-2026-48531
GHSA-xqwp-7cxx-5588
NVD
CVE.org
EPSS
Vulnrichment
VulDB
Exploit-DB