OpenBMB Internet of Agents Message app.py fetch_chat_record access control
CVSS score
6.9
EPSS probability
—
Risk score
0.7
Published
2 h ago
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Vulnerability description
DayBreach AI Explanation
Verified against sourcesSources read
1
Source agreement
Tam uyum
Evidence confidence
%55
Short explanation
The fetch_chat_record function in OpenBMB Internet of Agents’ Message Handler component allows improper access control when the comm_id parameter is manipulated. The exploit can be performed remotely and a public PoC exists.
Remote attackers can obtain unauthorized access to chat records, leading to confidentiality breaches.
What should be done?
- Monitor vendor advisory for a future patch
- If no patch exists, harden access controls around the function manually
- Restrict access to the fetch_chat_record endpoint
- Include this component in regular security reviews
Chain of evidence and sources
fetch_chat_record işlevi, comm_id argümanının doğrulanmaması nedeniyle yetkisiz erişime açıktır.
Resmî kaynaklarda yama durumu doğrulanamadı; mevcut durumda yamalanmadığı kesin değildir.
Show the technical text from the sources
A vulnerability was found in OpenBMB Internet of Agents up to 9d78e88e47160eb42ee1ee8538c05e1c2c47877a. This issue affects the function fetch_chat_record of the file im_server/app.py of the component Message Handler. The manipulation of the argument comm_id results in improper access controls. The attack may be performed from remote. The exploit has been made public and could be used. The project was informed of the problem early through an issue report but has not responded yet.
CVSS vector: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:L/VI:L/VA:L/SC:N/SI:N/SA:N/E:P
CWE: CWE-284, CWE-266
This explanation was compiled automatically from the source records. Scores, active exploitation, patch and exploit status come straight from the sources.
IMPACT: Affected Products and Software
Affected Products
The following products are affected by CVE-2026-123881 vulnerability. Where our threat engine knows the exact affected versions, they are listed below.
| ID | VENDOR | PRODUCT | ACTION |
|---|---|---|---|
| 1 | OpenBMB | Internet of Agents | View |
RED HAT CSAF/VEX: Product Impact Check
SCORING: CVSS from Multiple Sources
CVSS Scores
The Common Vulnerability Scoring System is a standardised framework for assessing the severity of vulnerabilities in software and systems. We collect and display CVSS scores from several sources for each CVE.
| SCORE | VERSION | SEVERITY | VECTOR | SOURCE |
|---|---|---|---|---|
| 7.5 | CVSS V2_0 | — | AV:N/AC:L/Au:N/C:P/I:P/A:P/E:POC/RL:ND/RC:C | CVE CNA |
| 7.3 | CVSS V3_1 | HIGH | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L/E:P/RL:X/RC:C | CVE CNA |
| 7.3 | CVSS V3_0 | HIGH | CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L/E:P/RL:X/RC:C | CVE CNA |
| 6.9 | CVSS V4_0 | MEDIUM | CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:L/VI:L/VA:L/SC:N/SI:N/SA:N/E:P | CVE CNA |
Patch and Remediation Guide
Solution & Remediation Advisory
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Public exploit and active exploitation status
Verified exploit intelligence
No verified public PoC, exploit repository or Metasploit module has been found for this CVE yet.
Weakness Classification and Attack Patterns (CWE & CAPEC)
CWE - Common Weakness Enumeration
While CVE identifies specific instances of vulnerabilities, CWE categorises the common flaws or weaknesses that can lead to vulnerabilities. CVE-2026-123881 is associated with the following CWEs:
Common Attack Pattern Enumeration and Classification (CAPEC)
Common Attack Pattern Enumeration and Classification (CAPEC) stores attack patterns, which are descriptions of the common attributes and approaches employed by adversaries to exploit the CVE-2026-123881 weaknesses.
Attack Vector and Accessibility
Official Sources and Advisories
Similar Vulnerabilities
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