# CVE-2026-41231: CVE-2026-41231

Status: published. Published: 2026-04-23. Updated: 2026-11-11.

Froxlor is open source server administration software. Prior to version 2.3.6, `DataDump.add()` constructs the export destination path from user-supplied input without passing the `$fixed_homedir` parameter to `FileDir::makeCorrectDir()`, bypassing the symlink validation that was added to all other customer-facing path operations (likely as the fix for CVE-2023-6069). When the ExportCron runs as root, it executes `chown -R` on the resolved symlink target, allowing a customer to take ownership of arbitrary directories on the system. Version 2.3.6 contains an updated fix.

## Remediation

- fix: The reporting source identifies this reference as a patch. Check the advisory for affected versions and supported release branches. (source: security-advisories@github.com) — https://github.com/froxlor/froxlor/commit/2987b0e8806ef12b532410050ad76d13d673a87d
- fix: froxlor/froxlor (Packagist): OSV reports a fixed version 2.3.6. Check the advisory for supported release branches. (source: OSV GHSA-75h4-c557-j89r) — https://github.com/advisories/GHSA-75h4-c557-j89r

## Affected products and versions

- froxlor / froxlor: < 2.3.6 (affected, custom). Source: NVD
-  / froxlor/froxlor (froxlor/froxlor): 0.10.0 (affected, Packagist); 0.10.0-rc1 (affected, Packagist); 0.10.0-rc2 (affected, Packagist); 0.10.1 (affected, Packagist); 0.10.10 (affected, Packagist); 0.10.11 (affected, Packagist); 0.10.12 (affected, Packagist); 0.10.13 (affected, Packagist); 0.10.14 (affected, Packagist); 0.10.15 (affected, Packagist); 0.10.16 (affected, Packagist); 0.10.17 (affected, Packagist); 0.10.18 (affected, Packagist); 0.10.19 (affected, Packagist); 0.10.2 (affected, Packagist); 0.10.20 (affected, Packagist); 0.10.21 (affected, Packagist); 0.10.22 (affected, Packagist); 0.10.23 (affected, Packagist); 0.10.23.1 (affected, Packagist); 0.10.24 (affected, Packagist); 0.10.25 (affected, Packagist); 0.10.26 (affected, Packagist); 0.10.27 (affected, Packagist); 0.10.28 (affected, Packagist); 0.10.29 (affected, Packagist); 0.10.29.1 (affected, Packagist); 0.10.3 (affected, Packagist); 0.10.30 (affected, Packagist); 0.10.31 (affected, Packagist); 0.10.32 (affected, Packagist); 0.10.33 (affected, Packagist); 0.10.34 (affected, Packagist); 0.10.34.1 (affected, Packagist); 0.10.35 (affected, Packagist); 0.10.35.1 (affected, Packagist); 0.10.36 (affected, Packagist); 0.10.37 (affected, Packagist); 0.10.38 (affected, Packagist); 0.10.38.1 (affected, Packagist); 0.10.38.2 (affected, Packagist); 0.10.38.3 (affected, Packagist); 0.10.4 (affected, Packagist); 0.10.5 (affected, Packagist); 0.10.6 (affected, Packagist); 0.10.7 (affected, Packagist); 0.10.8 (affected, Packagist); 0.10.9 (affected, Packagist); 2.0.0 (affected, Packagist); 2.0.1 (affected, Packagist); 2.0.10 (affected, Packagist); 2.0.11 (affected, Packagist); 2.0.12 (affected, Packagist); 2.0.13 (affected, Packagist); 2.0.14 (affected, Packagist); 2.0.15 (affected, Packagist); 2.0.16 (affected, Packagist); 2.0.17 (affected, Packagist); 2.0.18 (affected, Packagist); 2.0.19 (affected, Packagist); 2.0.2 (affected, Packagist); 2.0.20 (affected, Packagist); 2.0.21 (affected, Packagist); 2.0.22 (affected, Packagist); 2.0.23 (affected, Packagist); 2.0.24 (affected, Packagist); 2.0.3 (affected, Packagist); 2.0.4 (affected, Packagist); 2.0.5 (affected, Packagist); 2.0.6 (affected, Packagist); 2.0.7 (affected, Packagist); 2.0.8 (affected, Packagist); 2.0.9 (affected, Packagist); 2.1.0 (affected, Packagist); 2.1.0-beta1 (affected, Packagist); 2.1.0-beta2 (affected, Packagist); 2.1.0-rc1 (affected, Packagist); 2.1.0-rc2 (affected, Packagist); 2.1.0-rc3 (affected, Packagist); 2.1.1 (affected, Packagist); 2.1.2 (affected, Packagist); 2.1.3 (affected, Packagist); 2.1.4 (affected, Packagist); 2.1.5 (affected, Packagist); 2.1.6 (affected, Packagist); 2.1.7 (affected, Packagist); 2.1.8 (affected, Packagist); 2.1.9 (affected, Packagist); 2.2.0 (affected, Packagist); 2.2.0-rc1 (affected, Packagist); 2.2.0-rc2 (affected, Packagist); 2.2.0-rc3 (affected, Packagist); 2.2.1 (affected, Packagist); 2.2.2 (affected, Packagist); 2.2.3 (affected, Packagist); 2.2.4 (affected, Packagist); 2.2.5 (affected, Packagist); 2.2.6 (affected, Packagist); 2.2.7 (affected, Packagist); 2.2.8 (affected, Packagist); 2.3.0 (affected, Packagist); 2.3.0-rc1 (affected, Packagist); 2.3.1 (affected, Packagist); 2.3.2 (affected, Packagist); 2.3.3 (affected, Packagist); 2.3.4 (affected, Packagist); 2.3.5 (affected, Packagist); Ecosystem version events: introduced 0; fixed 2.3.6. Source: OSV GHSA-75h4-c557-j89r

## NVD configuration conditions

Affected CPE matches depend on the following AND/OR and negation conditions:

```json
[
  {
    "negate": false,
    "nodes": [
      {
        "cpeMatch": [
          {
            "criteria": "cpe:2.3:a:froxlor:froxlor:*:*:*:*:*:*:*:*",
            "versionEndExcluding": "2.3.6",
            "vulnerable": true
          }
        ],
        "negate": false,
        "operator": "OR"
      }
    ],
    "operator": "OR"
  }
]
```

## Severity and prioritization

- CVSS 3.1: 7.5 (high); CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H; source: NVD: security-advisories@github.com

- CISA KEV: No listing in collected sources

- EPSS: Not available

- SSVC: exploitation poc; automatable no; technical impact total; source NVD SSVC: 134c704f-9b21-4f2e-91b3-4a467353bcc0

- Weaknesses: CWE-59

## Exploit evidence

- exploit: https://github.com/froxlor/froxlor/security/advisories/GHSA-75h4-c557-j89r (security-advisories@github.com)
- exploit: https://github.com/froxlor/froxlor/security/advisories/GHSA-75h4-c557-j89r (134c704f-9b21-4f2e-91b3-4a467353bcc0)

## References

- https://github.com/froxlor/froxlor/commit/2987b0e8806ef12b532410050ad76d13d673a87d (security-advisories@github.com; Patch)

- https://github.com/froxlor/froxlor/releases/tag/2.3.6 (security-advisories@github.com; Release Notes)

- https://github.com/froxlor/froxlor/security/advisories/GHSA-75h4-c557-j89r (security-advisories@github.com; Exploit, Mitigation, Vendor Advisory)

- https://github.com/froxlor/froxlor/security/advisories/GHSA-75h4-c557-j89r (134c704f-9b21-4f2e-91b3-4a467353bcc0; Exploit, Mitigation, Vendor Advisory)

- https://github.com/advisories/GHSA-75h4-c557-j89r (OSV / GitHub Security Advisories; advisory)

- https://osv.dev/vulnerability/GHSA-75h4-c557-j89r (OSV / GitHub Security Advisories; osv)

## Provenance

- NVD: https://nvd.nist.gov/vuln/detail/CVE-2026-41231; retrieved 2026-11-12; source updated 2026-11-11

- OSV / GitHub Security Advisories: https://osv.dev/vulnerability/GHSA-75h4-c557-j89r; retrieved 2026-11-12; source updated 2026-05-05

Revision: 4b7777083f30dba2d82bdf3120006e5c3bfc913fe0d11962af8d42ee560705a8

Canonical: https://y2.dev/cve/CVE-2026-41231

## Agent and API access

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- Y2 Pro or Elite: create a workspace API key with the intel:cyber scope and send Authorization: Bearer <Y2_API_KEY>. Setup: https://y2.dev/docs/api/create-key.

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