CVE-2023-49208

CRITICAL 9.8CVE-2023-49208 · Published 23/11/2023 · updated 17/06/2026

In short

CVE-2023-49208 is a CRITICAL (CVSS 9.8) vulnerability affecting glewlwyd sso server (glewlwyd sso server project).
Chance of exploitation in the next 30 days (EPSS): 0.88%, higher than 59.3% of all vulnerabilities.
Fix: update to 2.7.6 or later.

Package	Affected versions	Patched versions
glewlwyd sso server glewlwyd_sso_server_project	`< 2.7.6`	`2.7.6`

scheme/webauthn.c in Glewlwyd SSO server before 2.7.6 has a possible buffer overflow during FIDO2 credentials validation in webauthn registration.

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