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authentik CVE-2026-61574

| EUVDEUVD-2026-61060 HIGH
Authorization Bypass Through User-Controlled Key (CWE-639)
2026-08-18 GitHub_M
8.8
CVSS 3.1 · Vendor: GitHub_M
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Severity by source

Vendor (GitHub_M) PRIMARY
8.8 HIGH
AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
vuln.today AI
8.8 HIGH

Network-reachable API, no complexity; PR:L because any authenticated user suffices; full C/I/A because credential theft and interactive infrastructure access result.

3.1 AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
4.0 AV:N/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:N/SC:H/SI:H/SA:H

Primary rating from Vendor (GitHub_M).

CVSS VectorVendor: GitHub_M

Attack Vector
Network
Attack Complexity
Low
Privileges Required
Low
User Interaction
None
Scope
Unchanged
Confidentiality
High
Integrity
High
Availability
High

Lifecycle Timeline

3
Patch available
Aug 18, 2026 - 18:03 EUVD
Analysis Generated
Aug 18, 2026 - 17:38 vuln.today
CVE Published
Aug 18, 2026 - 16:57 cve.org
HIGH 8.8

DescriptionCVE.org

authentik is an open-source identity provider. Prior to 2026.2.6 and 2026.5.5, the Remote Access Control endpoint list returns every configured endpoint to any authenticated user regardless of which applications the user may access, and the response includes connection settings that can contain stored credentials. The endpoint listing does not apply the access controls governing the endpoints, and the connection flow does not confirm that an endpoint belongs to the Remote Access Control application through which it was launched. Any authenticated user can therefore read every endpoint together with its host and stored credentials and can open a connection to an endpoint belonging to another application. This exposes stored credentials for managed RDP, SSH, and VNC targets and grants interactive access to systems the user was never authorized to reach. Deployments that do not use the enterprise Remote Access Control provider are not affected. This issue is fixed in versions 2026.2.6 and 2026.5.5.

AnalysisAI

Broken object-level authorization in authentik's enterprise Remote Access Control (RAC) module exposes every configured RDP, SSH, and VNC endpoint - including stored connection credentials - to any authenticated user, irrespective of their assigned application access. Versions prior to 2026.2.6 and 2026.5.5 are affected; the flaw exists in both the endpoint listing API (which omits per-user access filtering) and the connection initiation flow (which does not validate that the requested endpoint belongs to the application through which the user is launching). …

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Attack ChainAIDerived

Hypothetical attack flow derived from CVE metadata

Access
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Delivery
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Exploit
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Execution
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Persist
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Impact
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Vulnerability AssessmentAI

Exploitation Exploitation requires a valid, authenticated user account in the target authentik instance (CVSS PR:L confirmed); no elevated role, admin privilege, or special permission is needed beyond the ability to log in. … Additional conditions and limiting factors are described in the full assessment.
Risk Assessment The CVSS 8.8 (High) rating - driven by AV:N/AC:L/PR:L/UI:N with full C/H/I/A impact - accurately reflects the severity once exploitation conditions are met. … Full risk analysis with EPSS, KEV, and SSVC signal comparison available after sign-in.
Exploit Scenario Full exploit scenario with step-by-step reproduction available after sign-in.
Remediation Vendor-released patches: 2026.2.6 and 2026.5.5. … Detailed patch versions, workarounds, and compensating controls in full report.

Recommended ActionAI

Within 24 hours, audit all authentik access logs to identify whether unauthorized access to RAC endpoints has occurred and which systems may have been compromised; preserve logs for forensic investigation. …

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CVE-2026-61574 vulnerability details – vuln.today

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