Server-Side Request Forgery Vulnerability in JeecgBoot by Jeecg
CVE-2026-126997

6.9MEDIUM

Key Information:

Vendor

Jeecg

Status
Jeecgboot
Vendor
CVE Published:
12 November 2026

Badges

👾 Exploit Exists🟡 Public PoC

What is CVE-2026-126997?

A serious vulnerability has been identified in JeecgBoot, affecting versions up to 3.9.6. This issue resides in the RestTemplate.exchange function within the flow-run endpoint's specific class file. Exploitation of this vulnerability could allow remote attackers to manipulate server requests, potentially leading to unauthorized access or data manipulation. Notably, the vendor has not addressed this disclosure, which raises significant security concerns for users of JeecgBoot. As public exploits are available, immediate action is recommended to secure affected installations.

Affected Version(s)

JeecgBoot 3.9.0

JeecgBoot 3.9.1

JeecgBoot 3.9.2

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-2026-126997 - Proof of Concept

References

https://vuldb.com/vuln/436296
vdb-entrytechnical-description
https://vuldb.com/vuln/436296/cti
signaturepermissions-required
https://vuldb.com/cve/CVE-2026-126997
third-party-advisory

CVSS V4

Score:
6.9
Severity:
MEDIUM
Confidentiality:
Low
Integrity:
Low
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

dptcc (VulDB User)
VulDB CNA Team
.