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    CVE-2026-44598

    With valid login credentials, URL Redirection to Untrusted Site ('Open Redirect'), Server-Side Request Forgery (SSRF) vulnerability in Apache Shiro. This issue affects Apache Shiro from 2.0-alpha to 2.1.0, and 3.0.0-alpha-1, only when using shiro-jakarta-ee integration module. Users are recommended to upgrade to version 2.1.1, or 3.0.0-alpha-2 or later, which fixes the issue by encrypting the cookie. After successful login, Jakarta EE integration module uses shiroSavedRequest cookie to redirect to a particular web page after login. This cookie was not validated, and can be forged to send a HTTP GET request from the server itself to an arbitrary URL from the cookie.

    Published:May 25, 2026
    Last Modified:May 28, 2026
    EPS:May 25, 2026
    EPSS Score:0.00038
    CVSS Score:5.4

    Affected Products

    Vendor
    Apache
    Product
    Shiro

    Exploits

    No exploit reference

    Common Attack Pattern Enumeration and Classification (CAPEC)

    CAPEC-178 Cross-Site Flashing
    CAPEC-664 Server Side Request Forgery

    Related CVEs

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    CVE-2026-56130 (CVSS 2) — "Remember me" cookie age is not verified on the server. This potentially allows an attacker to intercept a val…
    CVE-2026-49268 (CVSS 8.8) — A remote attacker can inject LDAP special characters into the Distinguished Name (DN) construction in DefaultL…
    CVE-2026-48589 (CVSS 0) — Apache Shiro’s Jakarta EE module used the HTTP Referer header in certain cases to issue redirect after a user …
    CVE-2026-43828 (CVSS 5.9) — Default configurations of Apache Shiro send sensitive cookies in HTTPS session without 'Secure' attribute. …
    CVE-2026-43827 (CVSS 5.9) — Default configurations of Apache Shiro have a session fixation vulnerability. This issue affects Apache Shiro…
    CVE-2026-23901 (CVSS 1) — Observable Timing Discrepancy vulnerability in Apache Shiro. This issue affects Apache Shiro: from 1.*, 2.* b…
    CVE-2026-23903 (CVSS 5.3) — Authentication Bypass by Alternate Name vulnerability in Apache Shiro. This issue affects Apache Shiro: befor…
    CVE-2023-46749 (CVSS 6.5) — Apache Shiro before 1.13.0 or 2.0.0-alpha-4, may be susceptible to a path traversal attack that results in an …

    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