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CVE-2026-49443

Goauthentik Authentik authentication bypass

8.8 HIGHPublic exploitEPSS 0.44%
  1. Published2 Jun 2026

Description

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 breakdown

Attack vectorNetwork
Attack complexityLow
Privileges requiredLow
User interactionNone
ScopeUnchanged
ConfidentialityHigh
IntegrityHigh
AvailabilityHigh
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

Affected products

Goauthentik Authentik≥ 2026.2.0 < 2026.2.4 · ≥ 2026.5.0 < 2026.5.1 · < 2025.12.6

Remediation

Fixed in
Goauthentik Authentik≥ 2026.2.4

References

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Frequently asked

Is CVE-2026-49443 being actively exploited?

CVE-2026-49443 is not in the CISA KEV catalog. A public exploit reference exists, so treat it as exploitable. Its EPSS exploit probability is 0.44%.

How severe is CVE-2026-49443?

CVE-2026-49443 has a CVSS 3.1 base score of 8.8, rated high. EPSS estimates a 0.44% probability of exploitation.

Which products are affected by CVE-2026-49443?

Affected products include Goauthentik Authentik.

How do I fix CVE-2026-49443?

Upgrade affected software to a fixed version, for example Goauthentik Authentik 2026.2.4 or later, then confirm no affected versions remain in your inventory.

How Secuno handles this

Secuno correlates vulnerabilities like CVE-2026-49443 against the real software inventory on every managed device, as each hourly inventory arrives. Rather than a static severity, each match is scored in context: exploit availability, EPSS, the asset's exposure, and business criticality decide where it lands in the queue. If an affected version is present anywhere across your portfolio, it surfaces automatically with a prioritised remediation path.

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Data from the NVD, CISA KEV catalog and FIRST EPSS. CVSS 3.1 base score shown where available.