How severe is CVE-2026-49443?

CVE-2026-49443 has a CVSS 3.x base score of 8.8, rated high severity. It is exploitable over network with low attack complexity, requires low privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.

Is CVE-2026-49443 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (22nd percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2026-49443?

CVE-2026-49443 affects Goauthentik Authentik. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2026-49443?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.

Does CVE-2026-49443 have an EU (EUVD) identifier?

Yes. CVE-2026-49443 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2026-34028.

When was CVE-2026-49443 published?

CVE-2026-49443 was published on 2026-06-02 and last updated on 2026-06-17.

CVE-2026-49443

CVE-2026-49443 is a high-severity vulnerability in Goauthentik Authentik with a CVSS 3.x base score of 8.8. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-287.

Key facts

Severity: High (CVSS 3.x base score 8.8)
EPSS exploit prediction: 0% (22nd percentile)
Actively exploited: Not listed in CISA KEV
EU (EUVD) id: EUVD-2026-34028
Weakness: CWE-287
Affected product: Goauthentik Authentik
Published: 2026-06-02
Last modified: 2026-06-17

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.

Frequently asked questions

What is CVE-2026-49443?: 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.
How severe is CVE-2026-49443?: CVE-2026-49443 has a CVSS 3.x base score of 8.8, rated high severity. It is exploitable over network with low attack complexity, requires low privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.
Is CVE-2026-49443 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (22nd percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2026-49443?: CVE-2026-49443 affects Goauthentik Authentik. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2026-49443?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.
Does CVE-2026-49443 have an EU (EUVD) identifier?: Yes. CVE-2026-49443 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2026-34028.
When was CVE-2026-49443 published?: CVE-2026-49443 was published on 2026-06-02 and last updated on 2026-06-17.

References

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

Affected products (1)

cpe:2.3:a:goauthentik:authentik:*:*:*:*:*:*:*:*

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