CVE-2026-47201
HIGH
8,5
Source: [email protected]
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
StableCommon 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
347
Improper Verification of Cryptographic Signature
DraftCommon 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
Application
Authentik by Goauthentik
Version Range Affected
To
2025.12.6
(exclusive)
CPE Identifier
View Detailed Analysis
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 Identifier
View Detailed Analysis
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 Identifier
View Detailed Analysis
cpe:2.3:a:goauthentik:authentik:*:*:*:*:*:*:*:*
Common Platform Enumeration - Standardized vulnerability identification
https://github.com/goauthentik/authentik/security/advisories/GHSA-c3m2-jqmq-pvp3