CVE-2026-44598 (GCVE-0-2026-44598)

Vulnerability from cvelistv5 – Published: 2026-05-25 20:19 – Updated: 2026-05-26 12:38
VLAI
Title
Apache Shiro Jakarta EE module: Open redirect and SSRF (requires valid credentials)
Summary
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.
Severity
5.1 (Medium)
CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:P/VC:L/VI:N/VA:N/SC:L/SI:N/SA:N/S:N/AU:Y/R:A/V:D/RE:L/U:Green
SSVC
Exploitation: none Automatable: no Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-05-26 12:38 UTC
CWE
  • CWE-601 - URL Redirection to Untrusted Site ('Open Redirect')
  • CWE-918 - Server-Side Request Forgery (SSRF)
Assigner
apache CNA under the mitre root
CNA scorecard B 76/100 over 1024 records in the last 180 days details
References
Impacted products
Vendor Product Version CPE status
Apache Software Foundation Apache Shiro Jakarta EE module Affected: 2.0.0-alpha-0 , ≤ 2.1.0 (semver)
Affected: 3.0.0-alpha-0 , ≤ 3.0.0-alpha-1 (semver)
guessed Create a notification for this product.
Credits
James Love <jameslove2k22@gmail.com> Lenny Primak <lenny@flowlogix.com>
Show details on NVD website
To clipboard 

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                  "type": "CWE"
                }
              ]
            },
            {
              "descriptions": [
                {
                  "cweId": "CWE-918",
                  "description": "CWE-918 Server-Side Request Forgery (SSRF)",
                  "lang": "en",
                  "type": "CWE"
                }
              ]
            }
          ],
          "providerMetadata": {
            "dateUpdated": "2026-05-25T20:19:44.317Z",
            "orgId": "f0158376-9dc2-43b6-827c-5f631a4d8d09",
            "shortName": "apache"
          },
          "references": [
            {
              "tags": [
                "vendor-advisory"
              ],
              "url": "https://shiro.apache.org/security-reports.html#cve_2026_44598"
            }
          ],
          "source": {
            "discovery": "EXTERNAL"
          },
          "title": "Apache Shiro Jakarta EE module: Open redirect and SSRF (requires valid credentials)",
          "x_generator": {
            "engine": "Vulnogram 0.2.0"
          }
        }
      },
      "cveMetadata": {
        "assignerOrgId": "f0158376-9dc2-43b6-827c-5f631a4d8d09",
        "assignerShortName": "apache",
        "cveId": "CVE-2026-44598",
        "datePublished": "2026-05-25T20:19:44.317Z",
        "dateReserved": "2026-05-07T01:57:05.531Z",
        "dateUpdated": "2026-05-26T12:38:12.217Z",
        "state": "PUBLISHED"
      },
      "dataType": "CVE_RECORD",
      "dataVersion": "5.2"
    }
  }
}



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Forecast uses a logistic model when the trend is rising, or an exponential decay model when the trend is falling. Fitted via linearized least squares.

Sightings

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Nomenclature

  • Seen: The vulnerability was mentioned, discussed, or observed by the user.
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  • Not patched: The vulnerability was not observed as successfully patched by the user who reported the sighting.
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