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CVE-2026-86305

light0011 cms Upload.class.php upload unrestricted upload

HIGH
7.3
CVSS Score
Published: September 7, 2026 at 12:45 PM UTC
Updated: September 11, 2026 at 09:17 PM UTC
1 product affected across 1 vendorCMS

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Severity
HIGH7.3
Exploit prediction
EPSS 0.5%
SSVC
PoC

Description

A security flaw has been discovered in light0011 cms c774dce31c6df0055568a8d5c53d964d99be199d/f72cf46f601efb2a0618c3814cc2f61380b38930. Affected by this issue is the function Upload::upload of the file ThinkPHP/Library/Think/Upload.class.php. Performing a manipulation results in unrestricted upload. The attack is possible to be carried out remotely. The exploit has been released to the public and may be used for attacks. This product adopts a rolling release strategy to maintain continuous delivery. Therefore, version details for affected or updated releases cannot be specified. The project was informed of the problem early through an issue report but has not responded yet.

Affected

Our own answer: ranges merged, affected separated from platform-only, with confidence and review flags.

CMS· LIGHT0011
60%
c774dce31c6df0055568a8d5c53d964d99be199df72cf46f601efb2a0618c3814cc2f61380b38930

Remediation

No guide yet

No remediation guidance has been written for this CVE yet, and no fixed version or vendor advisory is recorded against it.

References (6)

VDB EntryTechnical Description
Source: cverecord
https://vuldb.com/vuln/399478
SignaturePermissions Required
Source: cverecord
https://vuldb.com/vuln/399478/cti
Third Party Advisory
Source: cverecord
https://vuldb.com/cve/CVE-2026-86305
Third Party Advisory
Source: cverecord
https://vuldb.com/submit/894804
ExploitIssue Tracking
Source: cverecord
https://github.com/light0011/cms/issues/9
Product
Source: cverecord
https://github.com/light0011/cms/

SSVC — Action Prioritization

SSVCPoCAutomatablePartial impact

SSVC signals action urgency (what to patch first), separate from CVSS which measures severity.

CVSS

7.3HIGHVulDB
Vector?

Quick Info

StatusDEFERRED
CWE
CWE-434CWE-284

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