CVE-2026-100909CWE-918ssrf

CVE-2026-100909

High · published September 28, 2026

CVSS v3.1
7.3
EPSS
0%
Percentile
21.3
In the wild
Unconfirmed
What it is

A vulnerability was found in OctoberCMS up to 4.1.19/4.2.25/4.3.4. The impacted element is the function getSourcePathForResize of the file modules/system/classes/ResizeImages.php. The manipulation of the argument realSourcePath results in server-side request forgery. The attack may be performed from remote. The exploit has been made public and could be used. Upgrading to version 4.3.5 and 4.4.0 is sufficient to resolve this issue. The patch is identified as 0e9736aa2c6d6bd3d60ff6ef9e0b4d32ce387f58. The affected component should be upgraded.

The record
Technical detail
CVSS v3.1
7.3 · HIGH
Vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L
CVSS v4.0
6.9 · 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
EPSS
0.00298 · 21.3th percentile
Weakness
CWE-918 · Server-Side Request Forgery (SSRF)
Published
2026-09-28T09:16Z
References (8)
https://github.com/0xGenesi/CVE/blob/main/October_CMS_Stream_Wrapper_Injection.md · [email protected]https://github.com/octobercms/october/commit/0e9736aa2c6d6bd3d60ff6ef9e0b4d32ce387f58 · [email protected]https://github.com/octobercms/october/releases/tag/v4.3.5 · [email protected]https://github.com/octobercms/october/security/advisories/GHSA-2xmm-m4wv-3fjh · [email protected]https://vuldb.com/cve/CVE-2026-100909 · [email protected]https://vuldb.com/submit/919993 · [email protected]https://vuldb.com/vuln/410869 · [email protected]https://vuldb.com/vuln/410869/cti · [email protected]
EPSS history
Timeline
  • 29 SEP 03:24Z
    EPSS moved — → 0%
    epss
  • 28 SEP 04:30Z
    OctoberCMS ResizeImages.php getSourcePathForResize server-side request forgery
    cvelistv5