{"dataType":"CVE_RECORD","dataVersion":"5.2","cveMetadata":{"cveId":"CVE-2026-103866","assignerOrgId":"f0158376-9dc2-43b6-827c-5f631a4d8d09","state":"PUBLISHED","assignerShortName":"apache","dateReserved":"2026-10-01T11:47:21.504Z","datePublished":"2026-11-05T12:33:00.994Z","dateUpdated":"2026-11-05T22:05:44.167Z"},"containers":{"cna":{"providerMetadata":{"orgId":"f0158376-9dc2-43b6-827c-5f631a4d8d09","shortName":"apache","dateUpdated":"2026-11-05T12:33:00.994Z"},"title":"Apache Sling Engine: Hand-rolled parameter parser diverges from RFC/container parsing, enabling smuggling","problemTypes":[{"descriptions":[{"description":"CWE-436","lang":"en","cweId":"CWE-436","type":"CWE"}]},{"descriptions":[{"description":"CWE-444 Inconsistent interpretation of HTTP requests ('HTTP Request/Response smuggling')","lang":"en","cweId":"CWE-444","type":"CWE"}]}],"source":{"defect":["SLING-13362","SLING-13364","SLING-13365"],"discovery":"UNKNOWN"},"affected":[{"vendor":"Apache Software Foundation","product":"Apache Sling Engine","versions":[{"status":"affected","version":"0","lessThan":"3.0.4","versionType":"semver"}],"defaultStatus":"unaffected"}],"descriptions":[{"value":"Inconsistent interpretation of HTTP requests ('HTTP Request/Response smuggling') vulnerability in Apache Sling Engine. The engine's query/form parser accepts non-standard percent-escapes, wrong charsets, and continues request processing on such errors.\n\n\n\nThis issue affects Apache Sling Engine: before 3.0.4.\n\n\n\nUsers are recommended to upgrade to version 3.0.4, which fixes the issue.","lang":"en","supportingMedia":[{"type":"text/html","base64":false,"value":"<p>Inconsistent interpretation of HTTP requests ('HTTP Request/Response smuggling') vulnerability in Apache Sling Engine.&nbsp;The engine's query/form parser accepts non-standard percent-escapes, wrong charsets, and continues request processing on such errors.</p><p>This issue affects Apache Sling Engine: before 3.0.4.</p><p>Users are recommended to upgrade to version 3.0.4, which fixes the issue.</p>"}]}],"references":[{"url":"https://lists.apache.org/thread.html/yoftbty2lc7kmtldmyvj7w0m0n1ncbf6","tags":["vendor-advisory"]}],"metrics":[{"other":{"type":"Textual description of severity","content":{"text":"low"}},"scenarios":[{"lang":"en","value":"GENERAL"}]}],"credits":[{"lang":"en","value":"The Apache Software Foundation","type":"finder"},{"lang":"en","value":"Claude Code","type":"tool"}],"x_generator":{"engine":"Vulnogram 1.0.3"}},"adp":[{"title":"CVE Program Container","references":[{"url":"http://www.openwall.com/lists/oss-security/2026/11/05/8"}],"providerMetadata":{"orgId":"af854a3a-2127-422b-91ae-364da2661108","shortName":"CVE","dateUpdated":"2026-11-05T22:05:44.167Z"}}]}}