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CVE-2026-78560— Improper Authentication Validation in Okta Access Gateway Pass-Through Authentication Source

Quick assessment

Affected
Okta Okta Access Gateway
Exploitation
No confirmed in-the-wild exploitation; assess based on exposure
Recommended action
Check the vendor advisory and references for a fixed version. If immediate upgrade is impossible, restrict exposure and increase monitoring.

Okta Access Gateway 包含一个可选的直通认证源，该源接受客户端通过 HTTP 请求头提供的用户身份，且未进行加密验证。在启用此可选源但未配置上游反向代理或防火墙来清洗并强制处理客户端请求头的环境中，未认证的用户可以提供任意的身份值以发起会话。

CVSS 4.8 · Medium

Possible ATT&CK Techniques 2 AI

T1598 · Phishing for Information T1079
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I. Basic Information for CVE-2026-78560

Vulnerability Information
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Vulnerability Title
Improper Authentication Validation in Okta Access Gateway Pass-Through Authentication Source
Source: CVE Program / CVE List V5
Vulnerability Description
The Okta Access Gateway includes an optional pass-through authentication source that accepts user identity from a client-supplied HTTP header without cryptographic validation. In architectures where this optional source is enabled without an upstream reverse proxy or firewall configured to sanitize and enforce client headers, an unauthenticated user can supply an arbitrary identity value to initiate a session.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:L/A:N
Source: CVE Program / CVE List V5
Vulnerability Type
认证机制不恰当
Source: CVE Program / CVE List V5

Affected Products

Vendor Product Affected Versions CPE Subscribe
Okta Okta Access Gateway 0 ~ 2026.9.1 -

II. Public POCs for CVE-2026-78560

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III. Intelligence Information for CVE-2026-78560

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Vendor Advisories for CVE-2026-78560 (1)

Same Patch Batch · Okta · 2026-09-08 · 17 CVEs total

CVE-2026-78626 8.1 HIGH Improper Input Sanitization in Okta Access Gateway Protected Rules
CVE-2026-78623 7.7 HIGH Improper Handling of SAML Assertion Attributes in Okta Access Gateway Advanced Mode Datast
CVE-2026-78574 7.5 HIGH Improper Assembly Resolution in Okta Hyperdrive Integration Plugin Registry Handling
CVE-2026-78627 7.3 HIGH Improper Credential Protection in Okta Hyperdrive Integration Installer Logging
CVE-2026-78579 6.8 MEDIUM Improper Input Sanitization in Okta Access Gateway LDAP Datastore Filter Interpolation
CVE-2026-78625 6.7 MEDIUM Insufficient Validation of Dashboard Application Labels in Okta Access Gateway Dashboard S
CVE-2026-78630 6.7 MEDIUM Improper Input Neutralization in Okta Access Gateway SNMP Configuration Processing
CVE-2026-78550 6.6 MEDIUM Improper Input Handling in Okta Access Gateway Management Console Exception Handler
CVE-2026-78545 6.6 MEDIUM Improper Input Sanitization in Okta Access Gateway Application Label Configuration
CVE-2026-78552 6.0 MEDIUM Validation Bypass in Okta Access Gateway Custom Directives
CVE-2026-78622 6.0 MEDIUM Improper Link Resolution in Okta Verify for Windows Uninstaller Data Removal
CVE-2026-78620 5.9 MEDIUM Improper Path Validation in Okta Access Gateway Kerberos Configuration Handling
CVE-2026-78629 5.6 MEDIUM Improper Authentication Verification in the Okta Hyperdrive Agent MFA Response Handling
CVE-2026-78631 5.3 MEDIUM Improper Restriction of Sensitive Information in Okta Hyperdrive Agent Logging
CVE-2026-78635 5.0 MEDIUM Improper Input Validation in the Okta Privileged Access SSH Client URL Handler Argument
CVE-2026-78624 4.9 MEDIUM Improper Path Validation in Okta Access Gateway Backup and Restore Functionality

IV. Related Vulnerabilities

Same product: Okta Access Gateway
Same vendor: Okta
Same weakness: CWE-287

V. Comments for CVE-2026-78560

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