Server-Side Request Forgery Vulnerability in geesondog RhaPHP Media Proxy
CVE-2026-116256

6.9MEDIUM

Key Information:

Vendor

Geesondog

Status
RhaPHP
Vendor
CVE Published:
26 October 2026

Badges

👾 Exploit Exists🟡 Public PoC

What is CVE-2026-116256?

A server-side request forgery (SSRF) vulnerability affects the image function in the Show.php file of the Mp Module Media Proxy in geesondog RhaPHP, where manipulation of the URL argument could lead to unauthorized server requests. This vulnerability can be exploited remotely, and has gained public attention, creating potential risks for users. Notably, the vendor has been informed about this issue but has not responded.

Affected Version(s)

RhaPHP 7ae639ccf8dcb627faace096d030bd4cb4cfb905

Exploit Proof of Concept (PoC)

PoC code is written by security researchers to demonstrate the vulnerability can be exploited. PoC code is also a key component for weaponization which could lead to ransomware.

CVE-2026-116256 - Proof of Concept

References

https://vuldb.com/vuln/426295
vdb-entrytechnical-description
https://vuldb.com/vuln/426295/cti
signaturepermissions-required
https://vuldb.com/cve/CVE-2026-116256
third-party-advisory

CVSS V4

Score:
6.9
Severity:
MEDIUM
Confidentiality:
Low
Integrity:
Low
Availability:
Low
Attack Vector:
Network
Attack Complexity:
Low
Attack Required:
None
Privileges Required:
Undefined
User Interaction:
None

Timeline

  • 🟡

    Public PoC available

  • 👾

    Exploit known to exist

  • Vulnerability published

  • Vulnerability Reserved

Credit

qianqiu (VulDB User)
VulDB CNA Team
.