Vulnerability 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.
Related Weaknesses (CWE)
References
- https://github.com/ellite/Wallos/commit/b75f13d0ffa3ed7e77e8e79e4b9fd3fc528c98d3
- https://github.com/ellite/Wallos/pull/1092
- https://github.com/ellite/Wallos/releases/tag/v4.9.6
- https://github.com/ellite/Wallos/security/advisories/GHSA-3vg2-cxpg-m43g
FAQ
What is CVE-2026-61639?
CVE-2026-61639 is a documented vulnerability. 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 ../ seque...
How severe is CVE-2026-61639?
CVSS scoring is not yet available for CVE-2026-61639. Check NVD for updates.
Is there a patch for CVE-2026-61639?
Check the references section above for vendor advisories and patch information. Review vendor security bulletins for remediation guidance.