Vulnerability in JWT Service of Nocobase Affects Remote Security Posture
CVE-2025-13877

6.3MEDIUM

Key Information:

Vendor

Nocobase

Status
Nocobase
Vendor
CVE Published:
2 December 2025

Badges

👾 Exploit Exists🟡 Public PoC

What is CVE-2025-13877?

A vulnerability in the JWT Service component of Nocobase exposes systems to remote attacks due to a hard-coded cryptographic key. This issue arises from a manipulation of the API_KEY argument within the jwt-service.ts file in the core authentication package. Although the complexity of exploiting this vulnerability is considered high, the potential for exploitation exists, and the issue is now publicly known. The vendor's lack of response to early disclosures raises concerns regarding the urgency of remediation.

Affected Version(s)

nocobase 1.9.0

nocobase 1.9.1

nocobase 1.9.2

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-2025-13877 - Proof of Concept

References

https://vuldb.com/?id.334033
vdb-entrytechnical-description
https://vuldb.com/?ctiid.334033
signaturepermissions-required
https://vuldb.com/?submit.692205
third-party-advisory

CVSS V4

Score:
6.3
Severity:
MEDIUM
Confidentiality:
Low
Integrity:
Low
Availability:
Low
Attack Vector:
Network
Attack Complexity:
High
Attack Required:
None
Privileges Required:
Undefined
User Interaction:
None

Timeline

  • 🟡

    Public PoC available

  • 👾

    Exploit known to exist

  • Vulnerability published

  • Vulnerability Reserved

Credit

28Hus (VulDB User)
JSON
.
CVE-2025-13877 : Vulnerability in JWT Service of Nocobase Affects Remote Security Posture