01 Record
CVE-2026-100909
OctoberCMS ResizeImages.php getSourcePathForResize server-side request forgery
MediumPUBLISHEDCNA: VulDB
CNA base score6.9 CVSS v4.0CVSS: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
02 Description
OctoberCMS ResizeImages.php getSourcePathForResize server-side request forgery
03 Exploitation and scoring
- Exploitation
- Public exploit code exists. CISA's assessment records a public proof of concept. That is not a report of exploitation in the wild.
- SSVC decision
- ExploitationpocPublic proof-of-concept exploit code exists. Not a report of exploitation in the wild.
- AutomatableyesAn attacker can reliably automate reconnaissance through exploitation, so this scales.
- Technical ImpactpartialSuccessful exploitation gives limited control of the vulnerable component.
- EPSS probability
- 0.29% probability of exploitation activity in the next 30 days.
- EPSS percentile
- Equal to or higher than the score of 22.2% of scored records. A rank, not a probability.
- NVD base score
- 5.5 (CVSS v4.0), scored by the NVD independently of the CNA.
- NVD CVSS vector
- 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
- NVD analysis status
- Deferred. NVD last modified this record on 2026-09-28.
- Red Hat severity
- No Red Hat rating. Red Hat rates the CVEs that affect its products.
Exploit-prediction scores from FIRST. Independent scoring and analysis status from the NVD. Vendor severity from Red Hat. Exploitation assessment and catalog membership from CISA.
04 Metadata
- Published
- 2026-09-28 04:30Z1 MO AGO
- Last updated
- 2026-09-28 12:48Z1 MO AGO
- Reserved
- 2026-09-27
- Assigning CNA
- VulDB
- Record state
- PUBLISHED
- Severity
- Medium (CVSS 6.9)
- CNA CVSS vector
- 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
- Weaknesses
- CWE-918Server-Side Request Forgery (SSRF)Base
- Data version
- 5.2
- Document digest
- 0e30d3c1048f75bd9f7d9fe7438734156770c18c27cd809107226d9927be170b
05 Affected products
VendorProductVersionsPlatforms
n/aOctoberCMS4.1.0, 4.1.1, 4.1.2, 4.1.3, 4.1.4, 4.1.5, 4.1.6, 4.1.7, 4.1.8, 4.1.9, 4.1.10, 4.1.11, 4.1.12, 4.1.13, 4.1.14, 4.1.15, 4.1.16, 4.1.17, 4.1.18, 4.1.19, 4.2.0, 4.2.1, 4.2.2, 4.2.3, 4.2.4, 4.2.5, 4.2.6, 4.2.7, 4.2.8, 4.2.9, 4.2.10, 4.2.11, 4.2.12, 4.2.13, 4.2.14, 4.2.15, 4.2.16, 4.2.17, 4.2.18, 4.2.19, 4.2.20, 4.2.21, 4.2.22, 4.2.23, 4.2.24, 4.2.25, 4.3.0, 4.3.1, 4.3.2, 4.3.3, 4.3.4—
06 References
- vuldb.comVDB-410869 | OctoberCMS ResizeImages.php getSourcePathForResize server-side request forgeryhttps://vuldb.com/vuln/410869
- vuldb.comVDB-410869 | CTI Indicators (IOB, IOC, IOA)https://vuldb.com/vuln/410869/cti
- vuldb.comCVE-2026-100909 | CVE Analysis and Reporthttps://vuldb.com/cve/CVE-2026-100909
- vuldb.comSubmit #919993 | octobercms October CMS <= 4.3.4 Path Traversalhttps://vuldb.com/submit/919993
- github.comhttps://github.com/octobercms/october/security/advisories/GHSA-2xmm-m4wv-3fjh
- github.comhttps://github.com/0xGenesi/CVE/blob/main/October_CMS_Stream_Wrapper_Injection.md
- github.comhttps://github.com/octobercms/october/commit/0e9736aa2c6d6bd3d60ff6ef9e0b4d32ce387f58
- github.comhttps://github.com/octobercms/october/releases/tag/v4.3.5