Auth bypass in Openbmb Internet Of Agents
CVE-2026-123963
A security vulnerability has been detected in OpenBMB Internet of Agents up to 9d78e88e47160eb42ee1ee8538c05e1c2c47877a. The impacted element is the function register of the file im_server/app.py of the component Agent Registry. Such manipulation of the argument desc/name leads to missing authentication. The attack can be launched remotely. The exploit has been disclosed publicly and may be used. This product does not use versioning. This is why information about affected and unaffected releases are unavailable. The project was informed of the problem early through an issue report but has not responded yet.
Vulnerability class: Broken Authentication
Published · last modified .
CVSS v3 metric
CVSS v3 base score 7.3 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L.
EPSS exploit prediction
No EPSS score from FIRST.org yet. New CVEs usually get one within a few days; no score means no signal yet, not low risk. How EPSS works.
Affected products
- Openbmb Internet Of Agents — versions 9d78e88e47160eb42ee1ee8538c05e1c2c47877a
Weakness classification (CWE)
References
- github.com/OpenBMB/IoA/issues/21 (issue-tracking, exploit)
- CVE-2026-123963 | CVE Analysis and Report (third-party-advisory)
- Submit #1033797 | OpenBMB Internet of Agents(IoA) 9d78e88 Improper Input Validation (third-party-advisory)
- VDB-432033 | OpenBMB Internet of Agents Agent Registry app.py register missing authentication (technical-description, vdb-entry)
- VDB-432033 | CTI Indicators (IOB, IOC, IOA) (signature, permissions-required)
Frequently asked questions
- What is CVE-2026-123963?
- CVE-2026-123963 is a high-severity vulnerability in Openbmb Internet Of Agents, classified under Improper Authentication. CVSS score: 7.3/10. Published 2026-11-07.
- How severe is CVE-2026-123963?
- High severity. CVSS v3 base score is 7.3 out of 10.