What is CVE-2026-0704?

CVE-2026-0704 is a critical-severity vulnerability in Linux 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.

Path Traversal in Linux 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)

EPSS: 0.003 (25.0th percentile) — read the EPSS interpretation.

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.

Affected products

Linux Linux_kernel
Microsoft Windows
Octopus Octopus_server
Octopus Deploy Server — versions 2023.0.0, 2025.4.0

Weakness classification (CWE)

CWE-22 — Path Traversal

References

security@octopus.com (Vendor Advisory)

Frequently asked questions

What is CVE-2026-0704?: CVE-2026-0704 is a critical-severity vulnerability in Linux 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.