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CVE-2026-72534— Authentik Security authentik - Privilege Escalation

Quick assessment

Affected
Authentik Security authentik
Exploitation
Public or AI PoC available; prioritize validation
Recommended action
Check the vendor advisory and references for a fixed version. If immediate upgrade is impossible, restrict exposure and increase monitoring.

Authentik Security authentik是Authentik Security组织的一个用于现代 SSO 的开源身份提供商 (IdP)。 Authentik Security authentik 2026.5.6及之前版本存在权限许可和访问控制问题漏洞，该漏洞源于SCIM组摄取功能未验证源范围与目标组，可能允许具有源范围SCIM配置令牌的攻击者通过配置与现有管理员组同名的SCIM组获取超级用户权限，并锁定所有现有管理员。

CVSS 8.8 · High EPSS 0.42% · P34

Possible ATT&CK Techniques 1 AI

T1078.004 · Cloud Accounts

Affected Version Matrix 1

VendorProduct Version RangeStatus
Authentik Security authentik ≤ 2026.5.6 affected
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I. Basic Information for CVE-2026-72534

Vulnerability Information
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Vulnerability Title
Authentik Security authentik - Privilege Escalation
Source: CVE Program / CVE List V5
Vulnerability Description
A privilege escalation vulnerability in Authentik Security authentik through 2026.5.6 allows an attacker with a source-scoped SCIM provisioning token to gain superuser privileges by provisioning a SCIM group that matches an existing administrator group by name. The SCIM group ingest function adopts any existing group by name and replaces its membership without validating the source scope against the target group. An attacker can grant their provisioning token full IdP superuser access and lock out all existing administrators.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Source: CVE Program / CVE List V5
Vulnerability Type
特权管理不恰当
Source: CVE Program / CVE List V5
Vulnerability Title
Authentik Security authentik 权限许可和访问控制问题漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Authentik Security authentik是Authentik Security组织的一个用于现代 SSO 的开源身份提供商 (IdP)。 Authentik Security authentik 2026.5.6及之前版本存在权限许可和访问控制问题漏洞，该漏洞源于SCIM组摄取功能未验证源范围与目标组，可能允许具有源范围SCIM配置令牌的攻击者通过配置与现有管理员组同名的SCIM组获取超级用户权限，并锁定所有现有管理员。
Source: CNNVD (China National Vulnerability Database)
CVSS Information
N/A
Source: CNNVD (China National Vulnerability Database)
Vulnerability Type
N/A
Source: CNNVD (China National Vulnerability Database)

Affected Products

Vendor Product Affected Versions CPE Subscribe
Authentik Security authentik 0 ~ 2026.5.6 -

II. Public POCs for CVE-2026-72534

# POC Description Source Link Shenlong Link
AI-Generated POC Premium
Qwen3.6-35B-A3B · 7928 chars
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Vulnerability reproduction recording (real sandbox build + trigger, exclusive)
In-depth vulnerability mechanism
Trigger conditions & impact
Full executable POC code
Exploit chain & mitigation
POC zip download
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III. Intelligence Information for CVE-2026-72534

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Vendor Pages for CVE-2026-72534 (1)

IV. Related Vulnerabilities

Same product: authentik
Same vendor: Authentik Security
Same weakness: CWE-269

V. Comments for CVE-2026-72534

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