Path Traversal in Linux Kernel
CVE-2026-0270
A path traversal vulnerability in Palo Alto Networks Cortex XSOAR engine software running on Linux allows an unauthenticated attacker on an adjacent network, with the ability to intercept and manipulate network response traffic via a man-in-the-middle (MITM) attack, to write arbitrary files to the host.
Vulnerability class: Path Traversal (Directory Traversal)
Published · last modified .
CVSS v3 metric
CVSS v3 base score 7.5 (High). Vector: CVSS:3.1/AV:A/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H.
EPSS exploit prediction
EPSS: 0.002 (8.7th percentile), scored .
Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 9th percentile — 8.7% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.002 · newest: 0.002 · change: 0.000
Affected products
- Linux Kernel
- Palo Alto Networks Cortex Xsoar — versions 8.13, 8.12.0, 8.11.0
- Paloaltonetworks Cortex Xsoar
Weakness classification (CWE)
References
- nvd.nist.gov/vuln/detail/CVE-2007-4559 (related, US Government Resource, Third Party Advisory, third-party-advisory)
- security.paloaltonetworks.com/CVE-2026-0270 (vendor-advisory, Vendor Advisory)
Frequently asked questions
- What is CVE-2026-0270?
- CVE-2026-0270 is a high-severity vulnerability in Linux Kernel, classified under Path Traversal. CVSS score: 7.5/10. Published 2026-06-10.
- How severe is CVE-2026-0270?
- High severity. CVSS v3 base score is 7.5 out of 10.