Improper Authorization in TaleLin lin-cms-spring-boot Affects Remote Security
CVE-2026-96881

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-2026-96881?

A vulnerability has been identified in the TaleLin lin-cms-spring-boot framework, specifically within the book Endpoint's getBooks function located in BookController.java. This issue can lead to improper authorization, potentially allowing remote attackers to manipulate access controls. The vulnerability has been publicly disclosed, raising concerns that it could be actively exploited. Notably, efforts to communicate with the vendor regarding this issue went unanswered, leaving users vulnerable unless they take immediate action to assess their systems.

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-2026-96881 - Proof of Concept

References

https://vuldb.com/vuln/409079
vdb-entrytechnical-description
https://vuldb.com/vuln/409079/cti
signaturepermissions-required
https://vuldb.com/cve/CVE-2026-96881
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
.