OctoberCMS ResizeImages.php getSourcePathForResize server-side request forgery
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.
CVE-2026-100909
Primary source · Revision 1
Imported from structured advisory data. Source references identify upstream records or fields; verify affected versions and your deployed configuration.
Security context
Source reference: cve:CVE-2026-100909
OctoberCMS
Source reference: /containers/cna/affected/0/product
- Affected versions
- Not stated in this record
- Fixed versions
- Not stated in this record
- Prerequisites
- Not stated in this record
Structured affected-version data
Original package identities and version rules from this source.
[
{
"cpes": [
"cpe:2.3:a:octobercms:octobercms:*:*:*:*:*:*:*:*"
],
"vendor": "n/a",
"product": "OctoberCMS",
"versions": [
{
"status": "affected",
"version": "4.1.0"
},
{
"status": "affected",
"version": "4.1.1"
},
{
"status": "affected",
"version": "4.1.2"
},
{
"status": "affected",
"version": "4.1.3"
},
{
"status": "affected",
"version": "4.1.4"
},
{
"status": "affected",
"version": "4.1.5"
},
{
"status": "affected",
"version": "4.1.6"
},
{
"status": "affected",
"version": "4.1.7"
},
{
"status": "affected",
"version": "4.1.8"
},
{
"status": "affected",
"version": "4.1.9"
},
{
"status": "affected",
"version": "4.1.10"
},
{
"status": "affected",
"version": "4.1.11"
},
{
"status": "affected",
"version": "4.1.12"
},
{
"status": "affected",
"version": "4.1.13"
},
{
"status": "affected",
"version": "4.1.14"
},
{
"status": "affected",
"version": "4.1.15"
},
{
"status": "affected",
"version": "4.1.16"
},
{
"status": "affected",
"version": "4.1.17"
},
{
"status": "affected",
"version": "4.1.18"
},
{
"status": "affected",
"version": "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"
}
]
}
]- Related CVEs
- CVE-2026-100909
Source reference:
/cveMetadata/cveId
Publisher severity
high
Source reference: /containers/cna/metrics
- Event
- #3025 · Revision 1
- Added to Heist Feed
- Publisher date