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    CVE-2026-44203

    Open Access Management (OpenAM) is an access management solution. Prior to 16.1.1, the OAuth 2.0 and OpenID Connect authorization endpoint does not sufficiently encode user-supplied parameters before FormPostResponse.ftl and checkSession.ftl render them into HTML for the form_post response mode. An unauthenticated attacker can induce a user to open a crafted authorization request and execute script in the OpenAM origin. This issue is fixed in version 16.1.1.

    Published:Sep 15, 2026
    Last Modified:Sep 17, 2026
    EPS:Sep 15, 2026
    EPSS Score:0.00466
    CVSS Score:8.3

    Affected Products

    Vendor
    Openidentityplatform
    Product
    Openam

    Exploits

    No exploit reference

    Related CVEs

    CVE-2026-46560 (CVSS 7.5) — Open Access Management (OpenAM) is an access management solution. Prior to 16.1.1, the `RADIUS` authentication…
    CVE-2026-45049 (CVSS 8.3) — Open Access Management (OpenAM) is an access management solution. Prior to 16.1.1, the `Cross-Domain Single Si…
    CVE-2026-105122 (CVSS 5.3) — OpenAM before 16.1.3 contains a server-side request forgery vulnerability that allows attackers able to regist…
    CVE-2026-105121 (CVSS 6.9) — OpenAM before 16.1.3 contains an improper authorization vulnerability that allows delegated administrators to …
    CVE-2026-105120 (CVSS 6.9) — OpenAM before 16.1.3 contains an authorization bypass vulnerability in the sessions REST endpoint query operat…
    CVE-2026-105119 (CVSS 7.6) — OpenAM before 16.1.3 applies its OAuth2 Provider PKCE enforcement only to authorization requests whose respons…
    CVE-2026-105118 (CVSS 2.3) — OpenAM before 16.1.3 contains an open redirect vulnerability that allows unauthenticated attackers to redirect…
    CVE-2026-105117 (CVSS 5.3) — OpenAM before 16.1.3 contains an email content injection vulnerability that allows unauthenticated attackers t…
    CVE-2026-105116 (CVSS 5.1) — OpenAM before 16.1.3 contains a latent cross-site scripting defect that places the SAML message, relay state a…
    CVE-2026-105115 (CVSS 8.8) — OpenAM before 16.1.3 contains an unauthenticated arbitrary class instantiation vulnerability in the legacy JAX…

    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