CVE-2026-49443: high-severity vulnerability in goauthentik authentik
authentik: `UserSourceConnection.user` and `GroupSourceConnection.group` are changeable through the API
Published · Updated
E-mail alert when it lands in KEV, gets a public PoC or its score goes up.
21Vexday Risk Score
No sign of exploitation. No public exploitation artifact known so far.
ssvc Trackcvss 8.8epss 0.3%
authentik is an open-source identity provider. Prior to versions 2025.12.6, 2026.2.4, and 2026.5.1, an attacker with the ability to change a source connection, and an account in one of the configured sources can log into any account. This issue has been patched in versions 2025.12.6, 2026.2.4, and 2026.5.1.
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Affected products
goauthentik · authentikRelated CVEs — goauthentik authentik
In the same product, most dangerous first.
CVE-2022-46145HIGHauthentik vulnerable to unauthorized user creation and potential account takeoverEPSS 1.3%CVE-2023-48228HIGHOAuth2: PKCE can be fully circumventedEPSS 1.2%CVE-2024-52289HIGHauthentik has an insecure default configuration for OAuth2 Redirect URIsEPSS 1.1%CVE-2022-23555CRITICALauthentik vulnerable to Improper Authentication via invitation URL token reuseEPSS 0.9%CVE-2026-25227CRITICALauthentik affected by Remote Code Execution via Context Key Injection in PropertyMapping Test EndpointEPSS 0.9%CVE-2023-46249CRITICALauthentik potential installation takeover when default admin user is deletedEPSS 0.8%