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VulnerabilityPublished

CVE-2026-49443: goauthentik authentik · Improper Authentication

Affects goauthentik authentikSource CVE Database V5

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Not known to be exploited · CVSS 8.8 High · fixed in 2026.5.1 : patch goauthentik authentik soon.

Data as of 30 Oct 2026, 11:52 UTC

CVSS 3.1 base score
8.8High
How severe the flaw is on the 0–10 CVSS scale.
EPSS
0.2% chance of exploitation in 30 days – higher than 22% 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:L/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 github.com/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
Gogithub.com/goauthentik/authentikpkg:golang/github.com/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

A fix is available in authentik versions 2025.12.6, 2026.2.4, and 2026.5.1. Users should upgrade to one of these versions or later to remediate this vulnerability. No additional vendor advisory details are provided; therefore, patching is the primary recommended action.

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.

References

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