Improper Authorization in TaleLin lin-cms-spring-boot Product
CVE-2026-96880

6.9MEDIUM

Key Information:

Vendor

Talelin

Status
Lin-cms-spring-boot
Vendor
CVE Published:
24 September 2026

Badges

👾 Exploit Exists🟡 Public PoC

What is CVE-2026-96880?

A vulnerability exists in the TaleLin lin-cms-spring-boot application, specifically in the book endpoint located in the BookController.java file. The flaw arises from improper validation of the ID argument in the getBook function, allowing unauthorized access to resources. This vulnerability can be exploited remotely, and details of potential exploits have been published. Despite early notification, the vendor has not responded regarding this issue, leaving users exposed to possible attacks.

Affected Version(s)

lin-cms-spring-boot 0.2.0

lin-cms-spring-boot 0.2.1

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-2026-96880 - Proof of Concept

References

https://vuldb.com/vuln/409078
vdb-entrytechnical-description
https://vuldb.com/vuln/409078/cti
signaturepermissions-required
https://vuldb.com/cve/CVE-2026-96880
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

hhhha (VulDB User)
VulDB CNA Team
.