Path Traversal in Linux Kernel
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. The field lacked validation which could potentially result in ways to circumvent expected workflows.
Vulnerability class: Path Traversal (Directory Traversal)
Published · last modified .
CVSS v3 metric
CVSS v3 base score 9.1 (Critical). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:H.
EPSS exploit prediction
EPSS: 0.003 (24.7th percentile), scored .
Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 25th percentile — 24.7% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.003 · newest: 0.003 · change: +0.000
Affected products
- Linux Kernel
- Microsoft Windows
- Octopus Server
- Octopus Deploy Server — versions 2023.0.0, 2025.4.0
Weakness classification (CWE)
References
- advisories.octopus.com/post/2026/sa2026-01 (Vendor Advisory)
Frequently asked questions
- What is CVE-2026-0704?
- CVE-2026-0704 is a critical-severity vulnerability in Linux Kernel, classified under Path Traversal. CVSS score: 9.1/10. Published 2026-02-25.
- How severe is CVE-2026-0704?
- Critical severity. CVSS v3 base score is 9.1 out of 10.