CVE-2026-61639CWE-22path-traversal

CVE-2026-61639

published September 1, 2026

CVSS
8.5
EPSS
1%
Percentile
42.5
In the wild
Unconfirmed
What it is

Wallos is an open-source, self-hostable personal subscription tracker. Prior to version 4.9.6, POST /endpoints/db/restore.php calls ZipArchive::extractTo() without validating entry names for ../ sequences. Admin uploads crafted zip with entry logos/../../endpoints/shell.php to write webshell to webroot. Extension filter only applies to post-extraction logo copy step. This issue has been patched in version 4.9.6.

The record
Technical detail
CVSS
8.5 · NONE
CVSS v4.0
8.5 · CVSS:4.0/AV:N/AC:L/AT:N/PR:H/UI:N/VC:H/VI:H/VA:N/SC:N/SI:N/SA:N
EPSS
0.00508 · 42.5th percentile
Weakness
CWE-22 · Improper Limitation of a Pathname to a Restricted Directory ('Path Traversal')
Published
2026-09-01T01:17Z
References (4)
https://github.com/ellite/Wallos/commit/b75f13d0ffa3ed7e77e8e79e4b9fd3fc528c98d3 · [email protected]https://github.com/ellite/Wallos/pull/1092 · [email protected]https://github.com/ellite/Wallos/releases/tag/v4.9.6 · [email protected]https://github.com/ellite/Wallos/security/advisories/GHSA-3vg2-cxpg-m43g · [email protected]
EPSS history
Timeline
  • 02 SEP 03:38Z
    EPSS moved — → 0%
    epss
  • 31 AUG 20:44Z
    Wallos: Zip Slip path traversal in database restore writes files to webroot
    cvelistv5