CVE-2026-18856CWE-918ssrf

CVE-2026-18856

Medium · published August 5, 2026

CVSS v3.1
4.7
EPSS
0%
Percentile
32.6
In the wild
Unconfirmed
What it is

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.

The record
Technical detail
CVSS v3.1
4.7 · MEDIUM
Vector
CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:L/I:L/A:L
CVSS v4.0
Not supplied
EPSS
0.00396 · 32.6th percentile
Weakness
CWE-918 · Server-Side Request Forgery (SSRF)
Published
2026-08-05T05:16Z
References (7)
https://github.com/MCzhao2006/Rhymix-SSRF-Report · [email protected]https://rhymix.org/files/attach/releases/rhymix-2.1.34.zip · [email protected]https://rhymix.org/news/1948042 · [email protected]https://vuldb.com/cve/CVE-2026-18856 · [email protected]https://vuldb.com/submit/858471 · [email protected]https://vuldb.com/vuln/385868 · [email protected]https://vuldb.com/vuln/385868/cti · [email protected]
EPSS history
Timeline
  • 05 AUG 00:30Z
    Poesis Rhymix CMS Data Import importer.admin.controller.php procImporterAdminCheckXmlFile server-side request forgery
    cvelistv5