Dashboard / CVE-2026-4959

CVE-2026-4959

MEDIUM
MEDIUM Priority: 0.02 BB Relevance: 71/100
Published: 2026-03-27 Modified: 2026-10-26 First seen: 2026-10-29 Status: active

Attack Surface

Network Low Complexity No Auth No Interaction

CVSS Vector Breakdown

AV: Network
AC: Low
PR: None
UI: None
S: X
AT: None
VC: Low
VI: Low
VA: Low

Description

A vulnerability was found in OpenBMB XAgent 1.0.0. This impacts the function check_user of the file XAgentServer/application/websockets/share.py of the component ShareServer WebSocket Endpoint. Performing a manipulation of the argument interaction_id results in missing authentication. Remote exploitation of the attack is possible. The exploit has been made public and could be used. The vendor was contacted early about this disclosure but did not respond in any way.

Weakness Classification (2)

Affected Software (1)

VendorProductVersion
openbmb xagent 1.0.0

References & Advisories (4)

https://vuldb.com/?ctiid.353836
Permissions Required VDB Entry
https://vuldb.com/?id.353836
Permissions Required VDB Entry
https://vuldb.com/?submit.777622
Issue Tracking Third Party Advisory

Bug Bounty Relevance

71 / 100
✓ Network accessible
✓ No authentication
✓ Low complexity
✓ No user interaction

CVSS Score

5.5 / 10.0 v4.0
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/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

EPSS — Exploitation Probability

0.45%
Raw Score 0.004470
Percentile 38.8%
Date 2026-10-29

EPSS Trend

2026-10-29
0.00447
2026-10-28
0.00447

Intelligence Sources

nvd ref →

External Links