Path Traversal in Icecoder

CVE-2026-64836

ICEcoder versions through 8.1 contain a path traversal vulnerability in the file-control endpoint due to a logic error in the document-root confinement check. The File::check() validation function compares realpath() to boolean true, which never succeeds, allowing authenticated attackers to submit traversal sequences or absolute paths in the file parameter to read, write, or delete files outside the configured document root.

Vulnerability class: Path Traversal (Directory Traversal)

CVSS v3 metric

CVSS v3 base score 8.8 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H.

Affected products

Weakness classification (CWE)

References

Frequently asked questions

What is CVE-2026-64836?
CVE-2026-64836 is a high-severity vulnerability in Icecoder, classified under Path Traversal. CVSS score: 8.8/10. Published 2026-09-10.
How severe is CVE-2026-64836?
High severity. CVSS v3 base score is 8.8 out of 10.