Improper Access Controls in JeecgBoot Affected by Vulnerability
CVE-2026-9581

5.3MEDIUM

Key Information:

Vendor

Jeecg

Status
Jeecgboot
Vendor
CVE Published:
26 May 2026

Badges

👾 Exploit Exists🟡 Public PoC

What is CVE-2026-9581?

A vulnerability exists within JeecgBoot up to version 3.9.1, specifically in the file /sys/comment/add. This weakness results in improper access controls, allowing remote attackers to exploit it. The exploit is publicly accessible, emphasizing the necessity for timely upgrades to at least version 3.9.2 to mitigate this security risk. Implementing the upgrade is highly advisable to ensure application integrity and security.

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-2026-9581 - Proof of Concept

References

https://vuldb.com/vuln/365637
vdb-entry
https://vuldb.com/vuln/365637/cti
signaturepermissions-required
https://vuldb.com/submit/817918
third-party-advisory

CVSS V4

Score:
5.3
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

AliceS614 (VulDB User)
.