Dashboard / CVE-2026-109492

CVE-2026-109492

HIGH
MEDIUM Priority: 0.07 BB Relevance: 68/100
Published: 2026-11-10 Modified: 2026-11-12 First seen: 2026-11-10 Status: active

Attack Surface

Network Low Complexity No Interaction Conf. Impact Integ. Impact

CVSS Vector Breakdown

AV: Network
AC: Low
PR: Low
UI: None
S: Unchanged
C: High
I: High
A: High

Description

Authorization bypass through user-controlled key in Microsoft MCP Gateway allows an authorized attacker to elevate privileges over a network.

Weakness Classification (1)

Affected Software (8)

VendorProductVersion
Microsoft mcp-gateway 1.0.0.0 < 1.0.0
Microsoft mcp-gateway 1.0.0.0 < 1.0.0
Microsoft mcp-gateway 1.0.0.0 < 1.0.0
Microsoft mcp-gateway 1.0.0.0 < 1.0.0
Microsoft mcp-gateway 1.0.0.0 < 1.0.0
Microsoft mcp-gateway 1.0.0.0 < 1.0.0
Microsoft mcp-gateway 1.0.0.0 < 1.0.0
Microsoft mcp-gateway 1.0.0.0 < 1.0.0

References & Advisories (1)

Bug Bounty Relevance

68 / 100
✓ Network accessible
✓ Low complexity
✓ No user interaction

CVSS Score

8.8 / 10.0 v3.1
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C

EPSS — Exploitation Probability

0.80%
Raw Score 0.007950
Percentile 57.0%
Date 2026-11-13

EPSS Trend

2026-11-13
0.00795
2026-11-12
0.00795

Intelligence Sources

mitre ref →
nvd ref →

External Links