What is CVE-2026-73509?

CVE-2026-73509 is a high-severity vulnerability in Openlistteam Openlist, classified under Path Traversal. CVSS score: 7.6/10. Published 2026-08-13.

How severe is CVE-2026-73509?

High severity. CVSS v3 base score is 7.6 out of 10.

Path Traversal in Openlistteam Openlist

CVE-2026-73509

OpenList a file list program that supports multiple storage. Prior to 4.2.4, the authenticated /api/fs/batch_rename handler in server/handles/fsbatch.go authorizes only the source directory produced by user.JoinPath(req.SrcDir) and validat…

Vulnerability class: Path Traversal (Directory Traversal)

CVSS v3 metric

CVSS v3 base score 7.6 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:H/A:L.

Affected products

Openlistteam Openlist — versions < 4.2.4

Weakness classification (CWE)

CWE-22 — Path Traversal

References

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

Frequently asked questions

What is CVE-2026-73509?: CVE-2026-73509 is a high-severity vulnerability in Openlistteam Openlist, classified under Path Traversal. CVSS score: 7.6/10. Published 2026-08-13.
How severe is CVE-2026-73509?: High severity. CVSS v3 base score is 7.6 out of 10.