AUGUST 4, 2026
Live Feed
Return to register
Case File

CVE-2022-27240

CRITICAL · CVSS 9.8 EPSS 1.53% Public Exploit

Source: NVD + CISA KEV + EPSS (historical backfill) · Published 2022-03-18 · Last synced 2026-08-04

Field Assessment

AI analysis pending.

Exhibit — Public Exploit Signal

A public exploit, PoC, GitHub repository or Metasploit reference was detected for this CVE.

GitHub PoC Links
github.com ↗ github.com ↗

Note: these links are listed for security research and verification purposes only.

CVE
CVE-2022-27240
Severity
CRITICAL
CVSS
9.8
EPSS
1.53%

Original Filing — NVD Description

scheme/webauthn.c in Glewlwyd SSO server 2.x before 2.6.2 has a buffer overflow associated with a webauthn assertion.