CVE-2026-61639

Wallos: Zip Slip path traversal in database restore writes files to webroot

State
Published
Severity
8.5 High
Published
Aug 31, 2026
Updated
Sep 1, 2026
Reserved
Jul 10, 2026

Read the record on cve.org

Description

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.

Scores

CVSSScoreVectorSource
4.08.5 HighCVSS:4.0/AV:N/AC:L/AT:N/PR:H/UI:N/VC:H/VI:H/VA:N/SC:N/SI:N/SA:NGitHub_M

Weaknesses

  • CWE-22 Improper Limitation of a Pathname to a Restricted Directory ('Path Traversal')

Affected Products

ProductVersions
Wallosellite
  • < 4.9.6Affected

References

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