CVE-2026-100909
7.3 HIGHpublic exploit availablePublished 2026-09-28 · Updated 2026-09-28
AI analysis for this CVE has not been generated yet. Raw NVD data is shown below.
NVD description
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.
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L
Weaknesses
CWE-918
Public exploit & PoC references
- https://github.com/0xGenesi/CVE/blob/main/October_CMS_Stream_Wrapper_Injection.md
- https://github.com/octobercms/october/commit/0e9736aa2c6d6bd3d60ff6ef9e0b4d32ce387f58
- https://github.com/octobercms/october/releases/tag/v4.3.5
- https://github.com/octobercms/october/security/advisories/GHSA-2xmm-m4wv-3fjh
All references
- https://github.com/0xGenesi/CVE/blob/main/October_CMS_Stream_Wrapper_Injection.md
- https://github.com/octobercms/october/commit/0e9736aa2c6d6bd3d60ff6ef9e0b4d32ce387f58
- https://github.com/octobercms/october/releases/tag/v4.3.5
- https://github.com/octobercms/october/security/advisories/GHSA-2xmm-m4wv-3fjh
- https://vuldb.com/cve/CVE-2026-100909
- https://vuldb.com/submit/919993
- https://vuldb.com/vuln/410869
- https://vuldb.com/vuln/410869/cti
Source data: NVD (nvd.nist.gov), public domain. Exploit-DB.ai adds local AI analysis for defensive use only.
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