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VulnerabilityPublished

CVE-2026-49448: goauthentik authentik · Improper Authentication

Affects goauthentik authentikSource CVE Database V5

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Not known to be exploited · CVSS 9.8 Critical · fixed in 2026.5.1 : patch goauthentik authentik as a priority.

Data as of 30 Oct 2026, 11:52 UTC

CVSS 3.1 base score
9.8Critical
How severe the flaw is on the 0–10 CVSS scale.
EPSS
0.4% chance of exploitation in 30 days – higher than 34% of CVEsExploit Prediction Scoring System: the likelihood attackers will use this flaw soon.
Patch
Available – fixed in 2026.5.1, 2026.2.4, 2025.12.6
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Exploitation evidence

  1. Disclosed: evidence found.

    CVE published 2 Jun 2026

  2. Detectable: no evidence on record.

    No public nuclei template indexed

  3. Weaponized: no evidence on record.

    No public exploit code indexed in Metasploit or Exploit-DB

  4. Exploited in the wild: no evidence on record.

    Not in CISA KEV and no source reports exploitation

  5. Observed by OffSeq Mirage: no evidence on record.

    No attack traffic recorded by OffSeq Mirage sensors

A missing step is not evidence of safety. Sources: cve.org (opens in a new tab), the Metasploit, Exploit-DB and nuclei-templates index as of 30 Oct 2026.

What to do

Upgrade authentik and goauthentik/authentik to 2026.5.1, 2026.2.4 or 2025.12.6.

Affected software

ProductAffectedFixed in
goauthentikauthentikAffected
  • <2026.5.1
Fixed in
  • 2026.5.1
goauthentikauthentikAffected
  • <2026.2.4
Fixed in
  • 2026.2.4
goauthentikauthentikAffected
  • <2025.12.6
Fixed in
  • 2025.12.6
GitHubgoauthentik/authentikpkg:github/goauthentik/authentikOther threatsAffected
  • <2025.12.6
  • <2026.2.4
  • <2026.5.1
Fixed in
  • 2025.12.6
  • 2026.2.4
  • 2026.5.1

Check your own hosts for these packages with threat-finder (opens in a new tab), our free open-source scanner.

AI-suggested

Upgrade authentik to version 2025.12.6, 2026.2.4, or 2026.5.1 or later, where this authentication bypass vulnerability has been patched. No other mitigation or temporary fix is indicated. Patch status is confirmed by the vendor advisory information.

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.

References

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