Dashboard / CVE-2026-121638

CVE-2026-121638

CRITICAL
INFO Priority: 0.03 BB Relevance: 78/100
Published: 2026-11-04 Modified: 2026-11-06 First seen: 2026-11-04 Status: active

Attack Surface

Network Low Complexity No Auth No Interaction Conf. Impact Integ. Impact

CVSS Vector Breakdown

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

Description

An Improper Certificate Validation vulnerability in WatchGuard AuthPoint Gateway allows an attacker with an on-path network position to intercept and modify communications between the AuthPoint Gateway and local authentication providers.

Weakness Classification (1)

Affected Software (2)

VendorProductVersion
WatchGuard AuthPoint Authentication Gateway 1.0 < 7.6.0
WatchGuard AuthPoint Authentication Gateway 1.0 < 7.6.0

References & Advisories (1)

Bug Bounty Relevance

78 / 100
✓ Network accessible
✓ No authentication
✓ Low complexity
✓ No user interaction

CVSS Score

9.1 / 10.0 v4.0
CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:N/VC:H/VI:H/VA:N/SC:N/SI:N/SA:N/E:X/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

0.29%
Raw Score 0.002920
Percentile 22.0%
Date 2026-11-13

EPSS Trend

2026-11-13
0.00292
2026-11-12
0.00292
2026-11-10
0.00292
2026-11-09
0.00292
2026-11-08
0.00292
2026-11-07
0.00292
2026-11-06
0.00292
2026-11-05
0.00292

Intelligence Sources

mitre ref →
nvd ref →

External Links