light0011 cms Upload.class.php upload unrestricted upload
Key facts
- Attack vector
- Network
- Privileges required
- None
- User interaction
- None
- Attack complexity
- Low
- Attack requirements
- None
- Impact type
- Security bypass, Code execution
- Confidentiality · integrity · availability
- Low · Low · Low
- Fix status
- No fix listed
Attack profile from CVSS 4.0 · CNA. Fix status from CNA. Impact type from CWE-284 and CWE-434.
Summary
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.
Why it matters now
SSVC decision points
CISA ADP · SSVC 2.0.3
- Exploitation
- Poc
- Automatable
- Yes
- Technical impact
- Partial
The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.
Affected products
| Vendor | Product | Affected versions | Fixed in | Status | Source |
|---|---|---|---|---|---|
| light0011 | cms | c774dce31c6df0055568a8d5c53d964d99be199d; f72cf46f601efb2a0618c3814cc2f61380b38930 | — | No fix listed | CNA |
- cms Vendorlight0011 Affected c774dce31c6df0055568a8d5c53d964d99be199d; f72cf46f601efb2a0618c3814cc2f61380b38930 Fixed in — No fix listed CNA
Remediation
No fixed version listed by the sources yet.
Timeline
- 2026-10-02 Threatist record created from CVE-2026-86305
- 2026-10-03 Alias added: GHSA-56x5-c934-mjjc
References
More light0011 vulnerabilities
- TI-2026-76209 Business logic error in light0011 cms Vote controller CVSS 4.0MEDIUM 6.9
- TI-2026-76208 File and directory exposure in light0011 cms Uploadify component CVSS 4.0MEDIUM 6.9
- TI-2026-76206 Improper access control in light0011 cms captcha validation CVSS 4.0MEDIUM 6.9
- TI-2026-59092 light0011 cms Debug Mode config.php information disclosure CVSS 4.0MEDIUM 6.9
- TI-2026-59090 light0011 cms Cookie Helper UserModel.class.php improper authentication CVSS 4.0MEDIUM 6.9
- TI-2026-58589 light0011 cms Chapter Controller ChapterController.class.php authorization CVSS 4.0MEDIUM 6.9
Sources
- CVE-2026-86305 · CVE Program
- CVE-2026-86305 · NVD
- FIRST EPSS
- GHSA-56x5-c934-mjjc · GitHub Advisory Database · CC BY 4.0
This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences