VulnSocial

CVE-2026-47201Disclosure(goauthentik / authentik)

LOWCVSS 8.5 · HIGH

Signal is active with 1 mentions in latest observed window

Immediate actions

  • Patch goauthentik authentik systems immediately

Recommended action window: Monitor and triage in normal cycle

NVD description

authentik is an open-source identity provider. Prior to versions 2025.12.5, 2026.2.3, and 2026.5.1, authentik's SAML Source ACS endpoint is vulnerable to XML Signature Wrapping when validating upstream SAML responses. An attacker with any account at the upstream IdP can reuse a valid signed assertion to authenticate as another federated user. This issue has been patched in versions 2025.12.5, 2026.2.3, and 2026.5.1.

goauthentik CVEsBack to dashboard
0.5/ 10 priority

Sources & remediation

Vendor / third-party advisories
Weakness type (CWE)
CWE-20CWE-347

Priority

LOW

Exploitation

NONE

PoC

NONE

Patch

AVAILABLE

Momentum

STABLE

Are you affected?

If you run products in this scope, you should treat this CVE as relevant to your environment.

  • authentik

Threat summary

  • Patch or workaround signal is available
  • 3 mentions across 2 observed days
  • Momentum state: stable

What's happening

  • Patch or workaround mentioned in 2 signals
  • Technical details provided in 3 signals
  • Disclosure: 2 classified signals
  • Peaked 1d ago at 2 mentions (2026-06-03); latest day: 1
  • 3 total mentions across 2 days

Affected systems

Vendors
goauthentik
Products
authentik

Deep dive

Activity timeline3 mentions / 2d
01122Mentions · 2026-06-03: 2Mentions · 2026-07-25: 1Patch / Workaround · 2026-06-03: 1Patch / Workaround · 2026-07-25: 1Technical Details · 2026-06-03: 2Technical Details · 2026-07-25: 106-0307-25
Signal classification2 categories
Disclosure
266.7%
Patch
133.3%
Referenced assets2 URLs
By indicator
Classification over time
DateTotalLabels
2026-06-032
Disclosure2
2026-07-251
Patch1
Full discourse3 posts
  • DFIR Lab@DFIR_Lab
    Patch

    🚨 HIGH: CVE-2026-47201 (CVSS 8.5) - authentik SAML vulnerability allows attackers to bypass authentication via XML Signature Wrapping. Patch immediately to v2025.12.5, 2026.2.3, or 2026.5.1. #CVE #PatchNow https://t.co/5xy8uSCK44

    Post summary

    The tweet announces a high‑severity SAML authentication bypass flaw (CVE‑2026‑47201) and provides the required patch versions for remediation.

    0000037
    96 followersView on X
  • Infoflowcloud@infoflowcloud
    Disclosure

    🚨*CVE* CVE-2026-47201 authentik is an open-source identity provider. Prior to versions 2025.12.5, 2026.2.3, and 2026.5.1, authentik's SAML Source ACS endpoint is vulnerable to XML Signatur… https://www.cve.org/CVERecord?id=CVE-2026-47201 ----- Traducción: CVE-2026-47201 aut… http://infoflow.cloud`

    Post summary

    The tweet announces CVE‑2026‑47201, noting an XML Signature flaw in authentik’s SAML ACS endpoint in older releases, and highlights that versions 2025.12.5, 2026.2.3, and 2026.5.1 have the vulnerability fixed.

    0000033
    79 followersView on X
  • CVE@CVEnew
    Disclosure

    CVE-2026-47201 authentik is an open-source identity provider. Prior to versions 2025.12.5, 2026.2.3, and 2026.5.1, authentik's SAML Source ACS endpoint is vulnerable to XML Signatur… https://www.cve.org/CVERecord?id=CVE-2026-47201

    Post summary

    The text announces CVE‑2026‑47201, describing an XML Signature vulnerability in authentik’s SAML ACS endpoint affecting specific versions, with no mention of PoCs, exploits, active attacks, patches, or debunking.

    00000217
    57.6K followersView on X
CPE platform detail1 entries

1 of 1 entries

PartVendorProductVersionTarget SWTarget HW
Appgoauthentikauthentik---

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