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    CVE-2026-78560

    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.

    Published:Sep 8, 2026
    Last Modified:Sep 23, 2026
    EPS:Sep 8, 2026
    EPSS Score:0.00201
    CVSS Score:4.8

    Affected Products

    Vendor
    Okta
    Product
    Access Gateway

    Exploits

    No exploit reference

    Common Weakness Enumeration

    CWE-287 Improper Authentication

    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-2026-78552 (CVSS 6) — The Okta Access Gateway does not apply its Lua directive restriction to the application-level custom configura…
    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