CVE-2026-109461

MEDIUM
MEDIUM Priority: 0.02 BB Relevance: 62/100
Published: 2026-10-16 Modified: 2026-10-29 First seen: 2026-10-29 Status: active

Attack Surface

Network No Auth No Interaction Conf. Impact

CVSS Vector Breakdown

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

Description

Origin validation error in Microsoft Authentication Library (MSAL) for Node.js allows an unauthorized attacker to disclose information over a network.

Affected Software (1)

VendorProductVersion
Microsoft Microsoft Identity Client for NodeJS 5.0.0 < 7.1.0

References & Advisories (1)

Bug Bounty Relevance

62 / 100
✓ Network accessible
✓ No authentication
✓ No user interaction

CVSS Score

5.9 / 10.0 v3.1
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:N/A:N/E:U/RL:O/RC:C

EPSS — Exploitation Probability

0.36%
Raw Score 0.003610
Percentile 29.9%
Date 2026-10-29

EPSS Trend

2026-10-29
0.00361
2026-10-28
0.00361

Intelligence Sources

mitre ref →