Authentication Bypass Vulnerability in OpenBMB Internet of Agents
CVE-2026-123963

6.9MEDIUM

Key Information:

Vendor

Openbmb

Status
Internet Of Agents
Vendor
CVE Published:
7 November 2026

Badges

👾 Exploit Exists🟡 Public PoC

What is CVE-2026-123963?

A significant security vulnerability exists in OpenBMB Internet of Agents prior to commit 9d78e88e47160eb42ee1ee8538c05e1c2c47877a, affecting the Agent Registry component specifically within the function register in im_server/app.py. This vulnerability arises due to inadequate authentication mechanisms, allowing unauthorized access when manipulating the argument desc/name. Given that this issue can be exploited remotely, it poses a serious risk to system integrity. The project maintainers were notified about this flaw, but as of yet, no corrective action has been taken. Users are advised to take immediate precautions while this vulnerability remains unaddressed.

Affected Version(s)

Internet of Agents 9d78e88e47160eb42ee1ee8538c05e1c2c47877a

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-2026-123963 - Proof of Concept

References

https://vuldb.com/vuln/432033
vdb-entrytechnical-description
https://vuldb.com/vuln/432033/cti
signaturepermissions-required
https://vuldb.com/cve/CVE-2026-123963
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

Evo1ution (VulDB User)
VulDB CNA Team
.