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Medium 6.5Published Mar 27, 2026

CVE-2026-4958A vulnerability has been found in OpenBMB XAgent 1.0.0.

Updated under an hour ago ()

Does this affect you?

It affects openbmb xagent. Add what you run to find out whether that includes you.

No exploitation reported and no EPSS estimate yet.

A vulnerability has been found in OpenBMB XAgent 1.0.0. This affects the function ReplayServer.on_connect/ReplayServer.send_data of the file XAgentServer/application/websockets/replayer.py of the component WebSocket Endpoint. Such manipulation of the argument interaction_id leads to authorization bypass. The attack may be launched remotely. Attacks of this nature are highly complex. The exploitability is reported as difficult. The exploit has been disclosed to the public and may be used. The vendor was contacted early about this disclosure but did not respond in any way.

CVSS
6.5 MEDIUM (v3.1, NVD)CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N
Weakness (CWE)
CWE-285, CWE-639
Known exploited
Not in CISA's KEV catalog
EPSS (exploitation in the next 30 days)
Not loaded for this CVE
Assigned by
Not given
NVD analysis
Analyzed
Record last updated
Jun 17, 2026
First seen by InfoSec Signals
Oct 9, 2026

Affected products

Affected products
openbmb xagent
openbmb:xagent
1.0.0
NVD

References

  • exploit, third-party-advisory
  • permissions-required, vdb-entry
  • permissions-required, vdb-entry
  • issue-tracking, third-party-advisory

The CVE record is authoritative. Products marked “from the name” were identified from the CNA's free-text names, not a CPE, and are matched less certainly. This product uses the NVD API but is not endorsed or certified by the NVD.

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