01 Record

CVE-2026-73253

Mongoose: TLS Hostname Verification Bypass via Overly Permissive Wildcard Matching

CriticalPUBLISHEDCNA: GitHub_M

Base score9.1 CVSS v4.0CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:N/VC:H/VI:H/VA:N/SC:N/SI:N/SA:N

02 Description

Mongoose: TLS Hostname Verification Bypass via Overly Permissive Wildcard Matching

Published

2026-08-20 17:41Z1 DAY AGO

Last updated

2026-08-20 18:36Z1 DAY AGO

Reserved

2026-08-11

Assigning CNA

GitHub_M

Record state

PUBLISHED

Severity

Critical (CVSS 9.1)

CVSS vector

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

Weaknesses

SSVC decision

ExploitationpocAutomatablenoTechnical Impacttotal

Data version

5.2

Document digest

9fe5954115effd712d71dc011ba20051b94ff49ccd9379f9c86bd8ae31b3fc93

VendorProductVersionsPlatforms

cesantamongoose< 7.22—