CVE-2026-18856

medium

Description

A vulnerability was determined in Poesis Rhymix CMS up to 2.1.33. This impacts the function procImporterAdminCheckXmlFile of the file modules/importer/importer.admin.controller.php of the component Data Import Module. This manipulation of the argument filename causes server-side request forgery. The attack is possible to be carried out remotely. The exploit has been publicly disclosed and may be utilized. Upgrading to version 2.1.34 will fix this issue. It is recommended to upgrade the affected component.

References

https://vuldb.com/vuln/385868/cti

https://vuldb.com/vuln/385868

https://vuldb.com/submit/858471

https://vuldb.com/cve/CVE-2026-18856

https://rhymix.org/news/1948042

https://rhymix.org/files/attach/releases/rhymix-2.1.34.zip

https://github.com/MCzhao2006/Rhymix-SSRF-Report

Details

Source: Mitre, NVD

Published: 2026-08-05

Updated: 2026-08-05

Risk Information

CVSS v2

Base Score: 5.8

Vector: CVSS2#AV:N/AC:L/Au:M/C:P/I:P/A:P

Severity: Medium

CVSS v3

Base Score: 4.7

Vector: CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:L/I:L/A:L

Severity: Medium

CVSS v4

Base Score: 5.1

Vector: CVSS:4.0/AV:N/AC:L/AT:N/PR:H/UI:N/VC:L/VI:L/VA:L/SC:N/SI:N/SA:N

Severity: Medium