Authorization Bypass Vulnerability in lamp-cloud by dromara
CVE-2026-94535

7.1HIGH

Key Information:

Vendor

Dromara

Status
Lamp-cloud
Vendor
CVE Published:
21 September 2026

Badges

👾 Exploit Exists🟡 Public PoC

What is CVE-2026-94535?

An authorization bypass vulnerability exists in the deleteMyNotice endpoint of lamp-cloud (versions up to 5.10.0). This flaw allows authenticated users to craft malicious DELETE requests, targeting arbitrary notice IDs, thus enabling them to delete notifications that belong to other users without proper validation of the recipient. Such exploitation can lead to unauthorized notification removal and poses a significant risk to user data integrity and privacy.

Affected Version(s)

lamp-cloud 0 <= 5.10.0

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-2026-94535 - Proof of Concept

References

https://github.com/LinYuanyi1/cve-request-poc/blob/master...
exploit
https://github.com/dromara/lamp-cloud/blob/bdc1a406eb0f62...
technical-description
https://github.com/dromara/lamp-cloud
product

CVSS V4

Score:
7.1
Severity:
HIGH
Confidentiality:
None
Integrity:
High
Availability:
Low
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

Mingsheng Lin
.