Is CVE-2026-4958 actively exploited?

No active exploitation of CVE-2026-4958 has been confirmed so far. Continue monitoring, as exploit status can change.

Can CVE-2026-4958 be exploited remotely?

Yes. CVE-2026-4958 is exploitable remotely over the network (CVSS attack vector: Network).

What is the CVSS score of CVE-2026-4958?

CVE-2026-4958 has a CVSS score of 3.1 (LOW).

HOME VULNERABILITIESCVE-2026-4958

LOW

CVE-2026-4958

CWE-285Published: March 27, 2026· Updated: Mar 30, 2026

3.1

CVSS v3.1

EPSS:0.03%probability of exploitation in 30 daysPercentile:6.8th

Official Description

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.

NVD Source

Technical Analysis

CVE-2026-4958 can be exploited remotely over the network without requiring physical or adjacent access, significantly expanding the attack surface for threat actors.

Exploitation requires low privileges, which limits the exposure to scenarios where an attacker has already gained initial access.