CVE-2026-4958

LOW EPSS 30.1%
Published Mar 27, 20263mo ago · Modified Jun 17, 20261w ago
1.3 CVSS 4.0
Low
Find Similar
Published Mar 27, 2026 3mo ago
Last Modified Jun 17, 2026 1w ago

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.

CVSS Details

Base Score
1.3
Exploitability
—
Impact
—
Vector string
CVSS:4.0/AV:N/AC:H/AT:N/PR:L/UI:N/VC:L/VI:N/VA:N/SC:N/SI:N/SA:N/E:P/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X
Attack Vector Network
Attack Complexity High
Privileges Required Low
User Interaction None
Scope X

Threat Intelligence

EPSS Exploit Probability
30.1% percentile
Exploit & Patch Status
Public Exploit Known
No Patch Available

Weaknesses 2

CWE-285
CWE-639

Affected Products 1

VendorProductVersionRange
openbmbxagent1.0.0any

References 4

  • gist.github.com https://gist.github.com/YLChen-007/dc46c2a710ecb9e855695f32da8bcab5
    ExploitThird Party Advisory
  • vuldb.com https://vuldb.com/?ctiid.353835
    Permissions RequiredVDB Entry
  • vuldb.com https://vuldb.com/?id.353835
    Permissions RequiredVDB Entry
  • vuldb.com https://vuldb.com/?submit.777618
    Issue TrackingThird Party Advisory

Remediation

No remediation data recorded yet

Check vendor advisories and the NVD entry for patch availability.