Medium 4.7Published Aug 5, 2026

CVE-2026-18856Poesis Rhymix CMS Data Import importer.admin.controller.php procImporterAdminCheckXmlFile server-side request forgery

Updated under an hour ago (2026-10-19 09:10 UTC)

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No exploitation reported and no EPSS estimate yet.

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Every CVE for Poesis Rhymix CMS

Exploited in the last 30 days

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.

CVSS: 4.7 MEDIUM (v3.1, CNA)CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:L/I:L/A:L/E:P/RL:O/RC:C
Weakness (CWE): CWE-918
Known exploited: Not in CISA's KEV catalog
EPSS (exploitation in the next 30 days): Not loaded for this CVE
Assigned by: VulDB
NVD analysis: Deferred
Record last updated: Aug 5, 2026
First seen by InfoSec Signals: Oct 9, 2026

Affected products

Affected products

Poesis Rhymix CMS poesis:rhymix_cms	2.1.0; 2.1.1; 2.1.2; 2.1.3; 2.1.4; 2.1.5; 2.1.6; 2.1.7; and 27 more ranges	CNA record

References

https://vuldb.com/vuln/385868vdb-entry, technical-description
https://vuldb.com/vuln/385868/ctisignature, permissions-required
https://vuldb.com/cve/CVE-2026-18856third-party-advisory
https://vuldb.com/submit/858471third-party-advisory
https://github.com/MCzhao2006/Rhymix-SSRF-Reportexploit
https://rhymix.org/news/1948042related
https://rhymix.org/files/attach/releases/rhymix-2.1.34.zippatch

The CVE record on cve.org NVD's entry

The CVE record is authoritative. Products marked “from the name” were identified from the CNA's free-text names, not a CPE, and are matched less certainly. This product uses the NVD API but is not endorsed or certified by the NVD.