# CVE-2026-26279: Froxlor has Admin-to-Root Privilege Escalation via Input Validation Bypass + OS Command Injection

Source: https://junglewise.ai/threats/cve-2026-26279-froxlor-has-admin-to-root-privilege-escalation-via-input  
Publisher: Junglewise Threat Intelligence, https://junglewise.ai/threats  
Published: 2026-03-03  
License: CC BY 4.0 with a link back

CVE-2026-26279 · Severity: low · CVSS 3.1 · Published 2026-03-03

Froxlor has Admin-to-Root Privilege Escalation via Input Validation Bypass + OS Command Injection

Technologies: [froxlor/froxlor (Packagist)](https://junglewise.ai/threats/technologies/froxlor-froxlor). Vendors: [Packagist](https://junglewise.ai/threats/vendors/packagist).

## Quick answers

**Is CVE-2026-26279 exploited in the wild?** No. Junglewise Threat Intelligence has no report of CVE-2026-26279 being exploited in the wild.

**How severe is CVE-2026-26279?** Low severity, with a CVSS score of 3.1, published 3 March 2026.

**Which products and versions are affected?** froxlor/froxlor (Packagist) ECOSYSTEM:introduced=0,fixed=2.3.4.

**Is there a fix for CVE-2026-26279?** Yes. froxlor/froxlor (Packagist): upgrade to 2.3.4 or later. Junglewise finds every place you run it, drafts the upgrade and applies it once you approve.

**Am I affected by CVE-2026-26279?** Check whether you run froxlor/froxlor (Packagist) at an affected version. Junglewise does that check for you around the clock: connect your code, cloud and domains, and it matches new vulnerabilities like this one against what you actually run and tells you when one reaches you.

## How to fix

- froxlor/froxlor (Packagist): upgrade to 2.3.4 or later

  ```sh
  composer require froxlor/froxlor:^2.3.4
  ```


## Affected products

- froxlor/froxlor (Packagist) ECOSYSTEM:introduced=0,fixed=2.3.4

## Identifiers

- CVE-2026-26279
- GHSA-33mp-8p67-xj7c

## Related threats

- [Froxlor information disclosure in sender alias lookups](https://junglewise.ai/threats/cve-2026-90936-froxlor-information-disclosure-in-sender-alias-lookups)
- [Froxlor authorization bypass in Mysqls.add API](https://junglewise.ai/threats/cve-2026-90935-froxlor-authorization-bypass-in-mysqls-add-api)
- [Froxlor insecure file permissions in pure-ftpd MySQL configuration](https://junglewise.ai/threats/cve-2024-58383-froxlor-insecure-file-permissions-in-pure-ftpd-mysql)
- [Froxlor API credential and 2FA secret disclosure](https://junglewise.ai/threats/cve-2026-62988-froxlor-api-credential-and-2fa-secret-disclosure)
- [Froxlor CSRF vulnerability in AJAX endpoint](https://junglewise.ai/threats/cve-2026-55593-froxlor-csrf-vulnerability-in-ajax-endpoint)