RaspAP raspap-webgui up to 3.5.5 OpenVPN Configuration del_ovpncfg.php escapeshellcmd cfg_id os command injection

Summaryinfo

A vulnerability marked as critical has been reported in RaspAP raspap-webgui up to 3.5.5. Affected by this issue is the function escapeshellcmd of the file ajax/openvpn/del_ovpncfg.php of the component OpenVPN Configuration Handler. Performing a manipulation of the argument cfg_id results in os command injection. This vulnerability was named CVE-2026-101859. The attack may be initiated remotely. In addition, an exploit is available. The vendor was contacted early about this disclosure but did not respond in any way.

Detailsinfo

A vulnerability classified as critical has been found in RaspAP raspap-webgui up to 3.5.5. This affects the function escapeshellcmd of the file ajax/openvpn/del_ovpncfg.php of the component OpenVPN Configuration Handler. The manipulation of the argument cfg_id with an unknown input leads to a os command injection vulnerability. CWE is classifying the issue as CWE-78. The product constructs all or part of an OS command using externally-influenced input from an upstream component, but it does not neutralize or incorrectly neutralizes special elements that could modify the intended OS command when it is sent to a downstream component. This is going to have an impact on integrity, and availability.

The advisory is shared at gist.github.com. This vulnerability is uniquely identified as CVE-2026-101859. The exploitability is told to be easy. It is possible to initiate the attack remotely. Technical details and a public exploit are known. MITRE ATT&CK project uses the attack technique T1202 for this issue.

The exploit is shared for download at gist.github.com. It is declared as proof-of-concept. The vendor was contacted early about this disclosure but did not respond in any way. By approaching the search of inurl:ajax/openvpn/del_ovpncfg.php it is possible to find vulnerable targets with Google Hacking.

There is no information about possible countermeasures known. It may be suggested to replace the affected object with an alternative product.

If you want to get the best quality for vulnerability data then you always have to consider VulDB.

Productinfo

Vendor

• RaspAP

Name

• raspap-webgui

Version

• 3.5.0
• 3.5.1
• 3.5.2
• 3.5.3
• 3.5.4
• 3.5.5

CPE 2.3info

• 🔒
• 🔒
• 🔒

CPE 2.2info

• 🔒
• 🔒
• 🔒

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Threat Intelligenceinfo

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Submitinfo

Accepted

• Submit #930258: RaspAP RaspAP WebGUI 2.8.8-3.5.5 Improper Access Control / Arbitrary File Deletion (by inmoyang)

If you want to get the best quality for vulnerability data then you always have to consider VulDB.

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