CVE-2026-78579: Improper Input Sanitization in Okta Access Gateway LDAP Datastore Filter Interpolation
The Okta Access Gateway does not sanitize SAML assertion attribute values before interpolating them into LDAP search filters in the LDAP datastore configuration. The raw values are substituted directly into the filter string and passed to the LDAP search operation, resulting in modification of the intended query logic.
Affected Software
Remediation
Recommended actions to resolve this vulnerability, in priority order.
- Upgrade
Upgrade
Okta Access Gatewayto a version that resolves this vulnerability.Fixed in 2026.9.1
Event History
Frequently Asked Questions
What deployment conditions are required for exposure?
The affected component is the LDAP datastore configuration in Okta Access Gateway. Exposure requires that SAML assertion attribute values are interpolated into an LDAP search filter.
What does an attacker need to exploit this issue?
The vulnerability requires low privileges and network access, according to the supplied vector. Successful exploitation also has high attack complexity and does not require user interaction.
What is the likely security impact?
Manipulating the LDAP filter can change the intended LDAP query logic. The supplied impact vector indicates high confidentiality and integrity impact, with no availability impact.