Octopus
CVE-2026-0704
CRITICAL
Attack ChainAIDerived
Hypothetical attack flow derived from CVE metadata – not a confirmed exploit chain
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AccessCraft HTTP request to vulnerable API endpoint
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ExploitBypass file path validation
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ExecutionRemove files or modify file contents
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ImpactCircumvent deployment workflows
Vulnerability Assessment
| Weakness |
CWE
OWASP Top 10:2025
A01:2025 - Broken Access Control
ASVS 5.0
V5 - File Handling Path canonicalization, traversal prevention
MITRE ATT&CK
2 techniques across 2 tactics: Discovery, Collection The technique list with ATT&CK links and the kill-chain view is part of the Basic plan and up. |
| Exploitation Conditions | No special conditions — remote unauthenticated exploitation against default Octopus Deploy installations with exposed API endpoints accepting unvalidated file path parameters. |
| Impact | CVSS 9.1. Octopus Deploy manages deployment pipelines — file deletion can corrupt deployments, configurations, or eliminate audit trails. |
| Exploit ScenarioDerived | Attacker uses API to specify traversal paths for file operations, deleting deployment artifacts, configuration files, or logs on the Octopus server. |
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Alert meAnalysisAIv1 – Mar 12, 2026
Path traversal in Octopus Deploy allows removing files and file contents on the host through API manipulation. Enables data destruction on the deployment server.
Earlier versions of this analysis (1)
Path traversal file deletion in Octopus Deploy.
RemediationAI
Update Octopus Deploy. Restrict API access. Implement file path validation.
Affects your stack
Find out whether the stacks and servers you run are on an affected version.
Checking this CVE against your own stacks and servers is part of the Basic plan and up.
Technical ContextAI · show details
CWE-22 path traversal enabling file removal through the API. Affected version allows traversing beyond intended directories.
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- Exploit and PoC references, threat intelligence from 22 sources
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Severity by source
AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:H
Primary rating from NVD · only source for this CVE.
CVSS VectorNVD
DescriptionCVE.org
In affected version of Octopus Deploy it was possible to remove files and/or contents of files on the host using an API endpoint. The field lacked validation which could potentially result in ways to circumvent expected workflows.
Executive ViewAI
A critical vulnerability in Octopus Deploy allows unauthorized file deletion and manipulation through an unvalidated API endpoint, potentially compromising deployment integrity and enabling attackers to disrupt critical infrastructure deployments. Organizations using affected versions face immediate risk of malicious workflow circumvention and data loss without vendor remediation currently available.
Implement network segmentation to restrict API access to authorized deployment systems only; deploy Web Application Firewall (WAF) rules to block or monitor the vulnerable API endpoint; disable or restrict API access to non-essential users; enable comprehensive audit logging of all API interactions; implement file integrity monitoring on deployment targets; consider temporary migration of critical deployments to alternative tools until patch availability.
Threat Intelligence Overview
NVD
CVE.org
EPSS
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
Path traversal exploits occur when applications use user-controlled input to construct file system paths without proper validation.
Affected Products (CPE)CVE.org
In Octopus Deploy 2018.8.0 through 2018.9.x before 2018.9.1, an authenticated user with permission to modify deployment
A vulnerability was found in hongmaple octopus 1.0. Rated critical severity (CVSS 9.8), this vulnerability is remotely e
A vulnerability was found in hongmaple octopus 1.0. Rated critical severity (CVSS 9.8), this vulnerability is remotely e
In 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
In affected versions of Octopus Server where access is managed by an external authentication provider, it was possible t
In affected versions of Octopus Deploy it is possible to bypass rate limiting on login using null bytes. Rated critical
In Halibut versions prior to 4.4.7 there is a deserialisation vulnerability that could allow remote code execution on sy
In Octopus Deploy 2018.4.4 through 2018.5.1, Octopus variables that are sourced from the target do not have sensitive va
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
A vulnerability was found in hongmaple octopus 1.0. Rated medium severity (CVSS 5.4), this vulnerability is remotely exp
In Octopus Deploy 3.4.x before 2018.4.7, an authenticated user is able to view/update/save variable values within the Te
GitHub PoC
Exploit-DB