What is CVE-2026-62947?

CVE-2026-62947 is a medium-severity vulnerability in Openwrt, classified under Path Traversal. CVSS score: 4.9/10. Published 2026-07-15.

How severe is CVE-2026-62947?

Medium severity. CVSS v3 base score is 4.9 out of 10.

Path Traversal in Openwrt

CVE-2026-62947

OpenWrt is a Linux operating system targeting embedded devices. Prior to 25.12.5, the cgi-download handler in cgi-io authorizes the requested path against the caller's ubus session file ACL before canonicalization, and rpcd session.c uses…

Vulnerability class: Path Traversal (Directory Traversal)

CVSS v3 metric

CVSS v3 base score 4.9 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:N/A:N.

Affected products

Openwrt — versions < 25.12.5

Weakness classification (CWE)

CWE-22 — Path Traversal

References

security-advisories@github.com (x_refsource_CONFIRM)
security-advisories@github.com (x_refsource_MISC)
security-advisories@github.com (x_refsource_MISC)
security-advisories@github.com (x_refsource_MISC)

Frequently asked questions

What is CVE-2026-62947?: CVE-2026-62947 is a medium-severity vulnerability in Openwrt, classified under Path Traversal. CVSS score: 4.9/10. Published 2026-07-15.
How severe is CVE-2026-62947?: Medium severity. CVSS v3 base score is 4.9 out of 10.