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    CVE-2026-78552

    The Okta Access Gateway does not apply its Lua directive restriction to the application-level custom configuration field. The field is interpolated directly into the nginx server block without inspection, resulting in execution of injected directives.

    Published:Sep 8, 2026
    Last Modified:Sep 23, 2026
    EPS:Sep 8, 2026
    EPSS Score:0.00329
    CVSS Score:6

    Affected Products

    Vendor
    Okta
    Product
    Access Gateway

    Exploits

    No exploit reference

    Common Weakness Enumeration

    CWE-693 Protection Mechanism Failure

    Common Attack Pattern Enumeration and Classification (CAPEC)

    CAPEC-1 Accessing Functionality Not Properly Constrained by ACLs
    CAPEC-107 Cross Site Tracing
    CAPEC-127 Directory Indexing
    CAPEC-17 Using Malicious Files
    CAPEC-20 Encryption Brute Forcing
    CAPEC-22 Exploiting Trust in Client
    CAPEC-237 Escaping a Sandbox by Calling Code in Another Language
    CAPEC-36 Using Unpublished Interfaces or Functionality
    CAPEC-477 Signature Spoofing by Mixing Signed and Unsigned Content
    CAPEC-480 Escaping Virtualization
    CAPEC-51 Poison Web Service Registry
    CAPEC-57 Utilizing REST's Trust in the System Resource to Obtain Sensitive Data
    CAPEC-59 Session Credential Falsification through Prediction
    CAPEC-65 Sniff Application Code
    CAPEC-668 Key Negotiation of Bluetooth Attack (KNOB)
    CAPEC-74 Manipulating State
    CAPEC-87 Forceful Browsing

    Related CVEs

    CVE-2026-115547 (CVSS 9.1) — An input validation issue in the Okta Access Gateway (OAG) Admin Console allows the processing of specially fo…
    CVE-2026-115546 (CVSS 8.1) — Okta Access Gateway (OAG) does not validate the selected authentication source during sign-on. An authenticate…
    CVE-2026-78630 (CVSS 6.7) — The Okta Access Gateway does not neutralize shell metacharacters in SNMP configuration values before a privile…
    CVE-2026-78620 (CVSS 5.9) — The Okta Access Gateway Kerberos configuration handler does not validate file paths specified in event payload…
    CVE-2026-78579 (CVSS 6.8) — The Okta Access Gateway does not sanitize SAML assertion attribute values before interpolating them into LDAP …
    CVE-2026-78626 (CVSS 8.1) — The Okta Access Gateway improperly handles input sanitization and regular expression evaluation within its Pro…
    CVE-2026-78625 (CVSS 6.7) — The Okta Access Gateway does not sanitize dashboard label values before writing them into generated PHP config…
    CVE-2026-78624 (CVSS 4.9) — The Okta Access Gateway backup restore function does not validate the filename embedded in an encrypted backup…
    CVE-2026-78560 (CVSS 4.8) — The Okta Access Gateway includes an optional pass-through authentication source that accepts user identity fro…
    CVE-2026-78623 (CVSS 7.7) — The Okta Access Gateway does not sanitize SAML assertion values before interpolating them into database querie…

    Common Vulnerability Scoring System

    Attack Vector
    Network
    Adjacent
    Local
    Physical
    Privileges Required
    None
    Low
    High
    User Interaction
    None
    Required
    Scope
    Unchanged
    Changed
    Confidentiality
    None
    Low
    High
    Integrity
    None
    Low
    High
    Availability
    None
    Low
    High