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CVE-2026-78620— Improper Path Validation in Okta Access Gateway Kerberos Configuration Handling

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 的 Kerberos 配置处理器在将事件负载（event payloads）中指定的文件路径直接作为写入目标，而未对这些路径进行校验，从而导致文件被写入到设备文件系统中非预期的位置。

CVSS 5.9 · Medium

Possible ATT&CK Techniques 1 AI

T1190 · Exploit Public-Facing Application
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I. Basic Information for CVE-2026-78620

Vulnerability Information
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Vulnerability Title
Improper Path Validation in Okta Access Gateway Kerberos Configuration Handling
Source: CVE Program / CVE List V5
Vulnerability Description
The Okta Access Gateway Kerberos configuration handler does not validate file paths specified in event payloads before writing file contents. The path from the event payload is used directly as the write destination, resulting in files being written to unintended locations on the appliance filesystem.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/AC:H/PR:H/UI:N/S:U/C:H/I:H/A:N
Source: CVE Program / CVE List V5
Vulnerability Type
文件名或路径的外部可控制
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-2026-78620

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III. Intelligence Information for CVE-2026-78620

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Vendor Advisories for CVE-2026-78620 (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-2026-78629 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
CVE-2026-78560 4.8 MEDIUM Improper Authentication Validation in Okta Access Gateway Pass-Through Authentication Sour

IV. Related Vulnerabilities

Same product: Okta Access Gateway
Same vendor: Okta
Same weakness: CWE-73

V. Comments for CVE-2026-78620

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