CVE-2026-49448

FAUCET Score

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.

First published: Jun 2, 2026Last modified: Jun 2, 2026

Impacted Technologies

Vendor	Product	Version(s)	CPE
		< 2025.12.6CPE matchmatch criteria	cpe:2.3:a:goauthentik:authentik::::::::
		>= 2026.2.0, < 2026.2.4CPE matchmatch criteria	cpe:2.3:a:goauthentik:authentik::::::::
		>= 2026.5.0, < 2026.5.1CPE matchmatch criteria	cpe:2.3:a:goauthentik:authentik::::::::

CVSS Data

CVSS version used by this source: 3.1

9.8CRITICAL

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

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

HIGH

Integrity Impact

HIGH

Availability Impact

HIGH

Exploitability Score

3.9

Impact Score

5.9

CvssVersion

3.1

Exploit Intelligence

EPSS Score

0.40%

Probability of exploitation in next 30 days

EPSS Percentile

33.2%

Percentile rank of EPSS score among Peer Group

As of 2026-07-26

Model: v2026.06.15

This CVE's current EPSS score of 0.0040 is in the 10th percentile among its peer group of 36,835 CVEs.

Social Chatter

The average CVE in this peer group has 0.0 Twitter, 0.1 Reddit, 0.3 Bluesky, 0.3 Mastodon, and 2.4 GitHub mentions.

Media Mentions

No media coverage found for this CVE.

The average CVE in this peer group has 0.3 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.

Remediation

Vendor Patches (1)

github_advisoryvendor investigatingvia nvd_reference

View patch

References

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

ExploitVendor Advisory