CVE-2026-49443

EUVD-2026-34028
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.
ProviderTypeBase ScoreAtk. VectorAtk. ComplexityPriv. RequiredVector
NISTPrimary
8.8 HIGH
NETWORK
LOW
LOW
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Base Score
CVSS 3.x
EPSS Score
Percentile: 21%
Affected Products (NVD)
VendorProductVersion
goauthentikauthentik
𝑥
< 2025.12.6
goauthentikauthentik
2026.2.0 ≤
𝑥
< 2026.2.4
goauthentikauthentik
2026.5.0 ≤
𝑥
< 2026.5.1
𝑥
= Vulnerable software versions
Common Weakness Enumeration
References
https://github.com/goauthentik/authentik/security/advisories/GHSA-wr38-7xg8-fqxr
https://github.com/goauthentik/authentik/security/advisories/GHSA-wr38-7xg8-fqxr