Authorization Bypass in Light0011 CMS Chapter Controller
CVE-2026-85381

6.9MEDIUM

Key Information:

Vendor

Light0011

Status
Cms
Vendor
CVE Published:
4 September 2026

Badges

👾 Exploit Exists🟡 Public PoC

What is CVE-2026-85381?

A security flaw has been identified in the Chapter Controller of Light0011 CMS due to improper processing of input arguments, which can result in authorization bypass. This vulnerability allows an attacker to manipulate content arguments remotely, potentially gaining unauthorized access to sensitive areas of the application. The flaw has been publicly disclosed, and although the product operates on a rolling release model with no fixed versioning, the project maintainers have yet to respond to the reports regarding this issue.

Affected Version(s)

cms c774dce31c6df0055568a8d5c53d964d99be199d

cms f72cf46f601efb2a0618c3814cc2f61380b38930

Exploit Proof of Concept (PoC)

PoC code is written by security researchers to demonstrate the vulnerability can be exploited. PoC code is also a key component for weaponization which could lead to ransomware.

CVE-2026-85381 - Proof of Concept

References

https://vuldb.com/vuln/398535
vdb-entrytechnical-description
https://vuldb.com/vuln/398535/cti
signaturepermissions-required
https://vuldb.com/cve/CVE-2026-85381
third-party-advisory

CVSS V4

Score:
6.9
Severity:
MEDIUM
Confidentiality:
Low
Integrity:
None
Availability:
None
Attack Vector:
Network
Attack Complexity:
Low
Attack Required:
None
Privileges Required:
Undefined
User Interaction:
None

Timeline

  • 🟡

    Public PoC available

  • 👾

    Exploit known to exist

  • Vulnerability published

  • Vulnerability Reserved

Credit

xyzccc (VulDB User)
VulDB CNA Team
.