CVE-2026-47201

Published: Giu 02, 2026 Last Modified: Giu 04, 2026
ExploitDB:
Other exploit source:
Google Dorks:
HIGH 8,5
Attack Vector: network
Attack Complexity: high
Privileges Required: low
User Interaction: none
Scope: changed
Confidentiality: high
Integrity: high
Availability: high

Description

AI Translation Available

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.

EPSS (Exploit Prediction Scoring System)

Trend Analysis

EPSS (Exploit Prediction Scoring System)

Prevede la probabilità di sfruttamento basata su intelligence sulle minacce e sulle caratteristiche della vulnerabilità.

EPSS Score
0,0010
Percentile
0,3th
Updated

EPSS Score Trend (Last 7 Days)

20

Improper Input Validation

Stable
Common Consequences
Security Scopes Affected:
Availability Confidentiality Integrity
Potential Impacts:
Dos: Crash, Exit, Or Restart Dos: Resource Consumption (Cpu) Dos: Resource Consumption (Memory) Read Memory Read Files Or Directories Modify Memory Execute Unauthorized Code Or Commands
Applicable Platforms
Technologies: AI/ML
View CWE Details
347

Improper Verification of Cryptographic Signature

Draft
Common Consequences
Security Scopes Affected:
Access Control Integrity Confidentiality
Potential Impacts:
Gain Privileges Or Assume Identity Modify Application Data Execute Unauthorized Code Or Commands
Applicable Platforms
All platforms may be affected
View CWE Details
Application

Authentik by Goauthentik

Version Range Affected
To 2025.12.6 (exclusive)
cpe:2.3:a:goauthentik:authentik:*:*:*:*:*:*:*:*
Common Platform Enumeration - Standardized vulnerability identification
Application

Authentik by Goauthentik

Version Range Affected
From 2026.2.0 (inclusive)
To 2026.2.4 (exclusive)
cpe:2.3:a:goauthentik:authentik:*:*:*:*:*:*:*:*
Common Platform Enumeration - Standardized vulnerability identification
Application

Authentik by Goauthentik

Version Range Affected
From 2026.5.0 (inclusive)
To 2026.5.1 (exclusive)
cpe:2.3:a:goauthentik:authentik:*:*:*:*:*:*:*:*
Common Platform Enumeration - Standardized vulnerability identification
https://github.com/goauthentik/authentik/security/advisories/GHSA-c3m2-jqmq-pvp3