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Vulnerability IntelligenceCVE-2026-49443

CVE-2026-49443

HIGH8.8

authentik: `UserSourceConnection.user` and `GroupSourceConnection.group` are changeable through the API

Published Jun 2, 2026

Modified 3 weeks ago

Details

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.

References

https://github.com/goauthentik/authentik/security/advisories/GHSA-wr38-7xg8-fqxr

https://www.cve.org/CVERecord?id=CVE-2026-49443

CVSS Analysis

CVSS v3.1

8.8

Exploitability

Attack Vector

NetworkAV:N

Attack Complexity

LowAC:L

Privileges Required

LowPR:L

User Interaction

NoneUI:N

Scope

Scope

UnchangedS:U

Impact

Confidentiality

HighC:H

Integrity

HighI:H

Availability

HighA:H

8.8/CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

Weakness Type (CWE)

Authentication

Improper Authentication

Ecosystems

Timeline

PublishedJun 2, 2026

ModifiedJun 3, 2026

CVE-2026-49443 | Mondoo Vulnerability Intelligence