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CVE-2026-123881 openbmb internet of agents: Incorrect Privilege Assignment

5.5 mediumEPSS 0.3%

Medium (5.5) in openbmb internet of agents. EPSS 0.3% estimated probability of exploitation activity in the next 30 days.

On this page
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.

Severity

CVSS 4.0

5.5 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

CVSS 3.1

7.3 high
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L
EPSS
0.3% estimated probability of exploitation activity in the next 30 days; 20th percentile. Scored 2026-11-13. A forecast for this CVE across the internet, not for your own systems.
CISA's assessment (SSVC)
Exploitation: PoC · Automatable: yes · Technical impact: partial, assessed 2026-11-09. From CISA's Vulnrichment in the CVE List: whether it is exploited, whether exploiting it can be automated, and how much control it gives.
CWEs
CWE-266 Incorrect Privilege Assignment
CWE-284 Improper Access Control
OWASP Top 10
A01:2025 Broken Access Control, A06:2025 Insecure Design
Published
Modified
Assigned by
VulDB (CNA)
NVD analysis
Deferred: the NVD does not plan to analyze it
Record from
the NVD, synced

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Affected

  • openbmb:internet of agents

Versions

From the CNA's record in the CVE List.

ProductAffected
OpenBMB Internet of Agents9d78e88e47160eb42ee1ee8538c05e1c2c47877a

Attack patterns (CAPEC)

The attack patterns MITRE's CAPEC relates to this record's weaknesses, as MITRE names them. Credits. More on the page of CWE-284 (17).

References

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