CVE-2026-100909

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 v3 7.3 HIGH
CVSS v2.0 7.5 HIGH

7.3^/10

CVSS v3 : HIGH

Vector :

Exploitability : 3.9 / Impact : 3.4

Attack Vector NETWORK

Attack Complexity LOW

Privileges Required NONE

User Interaction NONE

Confidentiality Impact LOW

Integrity Impact LOW

Availability Impact LOW

Scope UNCHANGED

7.5^/10

CVSS v2.0 : HIGH

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

Exploitability : 10.0 / Impact : 6.4

Access Vector NETWORK

Access Complexity LOW

Authentication NONE

Confidentiality Impact PARTIAL

Integrity Impact PARTIAL

Availability Impact PARTIAL

References

Link	Resource
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

Configurations

No configuration.

History

28 Sep 2026, 05:16

Type	Values Removed	Values Added
New CVE

Information

Published : 2026-09-28 05:16

Updated : 2026-09-28 15:16

NVD link : CVE-2026-100909

Mitre link : CVE-2026-100909

CVE.ORG link : CVE-2026-100909

JSON object : View

Products Affected

No product.

CWE

CWE-918

Server-Side Request Forgery (SSRF)

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"4.1.19"}, {"status": "affected", "version": "4.2.0"}, {"status": "affected", "version": "4.2.1"}, {"status": "affected", "version": "4.2.2"}, {"status": "affected", "version": "4.2.3"}, {"status": "affected", "version": "4.2.4"}, {"status": "affected", "version": "4.2.5"}, {"status": "affected", "version": "4.2.6"}, {"status": "affected", "version": "4.2.7"}, {"status": "affected", "version": "4.2.8"}, {"status": "affected", "version": "4.2.9"}, {"status": "affected", "version": "4.2.10"}, {"status": "affected", "version": "4.2.11"}, {"status": "affected", "version": "4.2.12"}, {"status": "affected", "version": "4.2.13"}, {"status": "affected", "version": "4.2.14"}, {"status": "affected", "version": "4.2.15"}, {"status": "affected", "version": "4.2.16"}, {"status": "affected", "version": "4.2.17"}, {"status": "affected", "version": "4.2.18"}, {"status": "affected", "version": "4.2.19"}, {"status": "affected", "version": "4.2.20"}, {"status": "affected", "version": "4.2.21"}, {"status": "affected", "version": "4.2.22"}, {"status": "affected", "version": "4.2.23"}, {"status": "affected", "version": "4.2.24"}, {"status": "affected", "version": "4.2.25"}, {"status": "affected", "version": "4.3.0"}, {"status": "affected", "version": "4.3.1"}, {"status": "affected", "version": "4.3.2"}, {"status": "affected", "version": "4.3.3"}, {"status": "affected", "version": "4.3.4"}, {"status": "unaffected", "version": "4.3.5"}, {"status": "unaffected", "version": "4.4.0"}]}]}], "published": "2026-09-28T05:16:30.067", "references": [{"url": "https://github.com/0xGenesi/CVE/blob/main/October_CMS_Stream_Wrapper_Injection.md", "source": "cna@vuldb.com"}, {"url": "https://github.com/octobercms/october/commit/0e9736aa2c6d6bd3d60ff6ef9e0b4d32ce387f58", "source": "cna@vuldb.com"}, {"url": "https://github.com/octobercms/october/releases/tag/v4.3.5", "source": "cna@vuldb.com"}, {"url": "https://github.com/octobercms/october/security/advisories/GHSA-2xmm-m4wv-3fjh", "source": 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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."}], "lastModified": "2026-09-28T15:16:04.793", "sourceIdentifier": "cna@vuldb.com"}