CVE-2026-78625

Analyzed Analyzed - Analysis Complete

Stored Cross-Site Scripting in Okta Access Gateway

Publication date: 2026-09-08

Last updated on: 2026-09-22

Assigner: Okta

Description

The Okta Access Gateway does not sanitize dashboard label values before writing them into generated PHP configuration files. The generated file is automatically included during authentication requests, resulting in execution with the privileges of the web server process.

CVSS Scores

EPSS Scores

Probability:
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Meta Information

Published

2026-09-08

Last Modified

2026-09-22

Generated

2026-09-29

AI Q&A

2026-09-10

EPSS Evaluated

2026-09-27

NVD

CVE-2026-78625

Affected Vendors & Products

Vendor	Product	Version / Range
okta	access_gateway	to 2026.9.1 (exc)

Helpful Resources

Exploitability

CWE

KEV

CWE ID	Description
CWE-94	The product constructs all or part of a code segment using externally-influenced input from an upstream component, but it does not neutralize or incorrectly neutralizes special elements that could modify the syntax or behavior of the intended code segment.

Attack-Flow Graph

Executive Summary

The Okta Access Gateway has a flaw where dashboard label values are not properly sanitized before being written into PHP configuration files. These files are then automatically included during authentication requests, allowing code execution with the privileges of the web server process.

Impact Analysis

An attacker could exploit this to execute arbitrary code on the server running Okta Access Gateway, potentially gaining control over authentication processes or accessing sensitive data processed by the gateway.

Compliance Impact

This vulnerability could lead to unauthorized access to personal or health data, violating GDPR or HIPAA requirements for data protection and access controls. Compliance may be compromised if data breaches occur due to this flaw.

Mitigation Strategies

Apply the latest security patch from Okta for the Access Gateway to address the unsanitized dashboard label values. Review and sanitize any custom dashboard labels to prevent PHP code injection. Restrict web server process privileges to minimize potential impact.

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