How severe is CVE-2026-49448?

CVE-2026-49448 has a CVSS 3.x base score of 9.8, rated critical severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.

Is CVE-2026-49448 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (28th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2026-49448?

CVE-2026-49448 affects Goauthentik Authentik. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2026-49448?

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

Does CVE-2026-49448 have an EU (EUVD) identifier?

Yes. CVE-2026-49448 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2026-34030.

When was CVE-2026-49448 published?

CVE-2026-49448 was published on 2026-06-02 and last updated on 2026-06-17.

CVE-2026-49448

CVE-2026-49448 is a critical-severity vulnerability in Goauthentik Authentik with a CVSS 3.x base score of 9.8. 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: Critical (CVSS 3.x base score 9.8)
EPSS exploit prediction: 0% (28th percentile)
Actively exploited: Not listed in CISA KEV
EU (EUVD) id: EUVD-2026-34030
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, the Source stage can be bypassed by sending an empty POST. This issue has been patched in versions 2025.12.6, 2026.2.4, and 2026.5.1.

Frequently asked questions

What is CVE-2026-49448?: authentik is an open-source identity provider. Prior to versions 2025.12.6, 2026.2.4, and 2026.5.1, the Source stage can be bypassed by sending an empty POST. This issue has been patched in versions 2025.12.6, 2026.2.4, and 2026.5.1.
How severe is CVE-2026-49448?: CVE-2026-49448 has a CVSS 3.x base score of 9.8, rated critical severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.
Is CVE-2026-49448 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (28th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2026-49448?: CVE-2026-49448 affects Goauthentik Authentik. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2026-49448?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its critical severity, prioritise patching exposed systems.
Does CVE-2026-49448 have an EU (EUVD) identifier?: Yes. CVE-2026-49448 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2026-34030.
When was CVE-2026-49448 published?: CVE-2026-49448 was published on 2026-06-02 and last updated on 2026-06-17.

References

https://github.com/goauthentik/authentik/security/advisories/GHSA-xp7f-xjjx-gwm8

Affected products (1)

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

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