7.5

CVE-2026-101005

Exploit

October CMS SSRF Protection ResizeImages.php validateExternalImageHost server-side request forgery

A vulnerability was detected in October CMS up to 4.3.4. This affects the function validateExternalImageHost of the file System/Classes/ResizeImages.php of the component SSRF Protection. The manipulation results in server-side request forgery. The attack may be launched remotely. The exploit is now public and may be used. Upgrading to version 4.3.5 is able to mitigate this issue. You should upgrade the affected component.
Daten sind bereitgestellt durch das CVE Programm von einer CVE Numbering Authority (CNA) (Unstrukturiert).
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Produkt October CMS
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 affected
Version 4.3.5
Status unaffected
VulnDex Vulnerability Enrichment
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Zu dieser CVE wurde keine Warnung gefunden.
EPSS Metriken
Typ Quelle Score Percentile
EPSS FIRST.org 0.3% 0.202
CVSS Metriken
Quelle Base Score Exploit Score Impact Score Vector String
cna@vuldb.com 5.5 0 0
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/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X
cna@vuldb.com 7.3 3.9 3.4
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L
cna@vuldb.com 7.5 10 6.4
AV:N/AC:L/Au:N/C:P/I:P/A:P
CWE-918 Server-Side Request Forgery (SSRF)

The web server receives a URL or similar request from an upstream component and retrieves the contents of this URL, but it does not sufficiently ensure that the request is being sent to the expected destination.

https://github.com/octobercms/october/releases/tag/v4.3.5
https://vuldb.com/vuln/410875
https://vuldb.com/vuln/410875/cti
https://vuldb.com/cve/CVE-2026-101005
https://vuldb.com/submit/922294
https://github.com/octobercms/october/security/advisories/GHSA-j2j7-7m99-6226
https://github.com/0xGenesi/CVE/blob/main/October_CMS_SSRF_IPv6_Mapped_IPv4_Bypass.md
https://www.cybersecurity-help.cz/vdb/vulns/149488/