{"cve":"CVE-2026-41635","nvd":{"published":"2026-04-27T09:16:01.893","modified":"2026-10-26T22:10:00.163","status":"Analyzed","description":"Apache MINA's AbstractIoBuffer.resolveClass() contains two branches, one of them (for static classes or primitive types) does not check the class at all, bypassing the classname allowlist and allowing arbitrary code to be executed.\n\n\n\n\nThe fix checks if the class is present in the accepted class filter before calling Class.forName(). \n\n\n\n\n\n\nAffected versions are Apache MINA 2.0.0 <= 2.0.27, 2.1.0 <= 2.1.10, and\n\n\n2.2.0 <= 2.2.5.\n\n\n\n\n\nThe problem is resolved in Apache MINA 2.0.28, 2.1.11, and 2.2.6 by \napplying the classname allowlist earlier.\n\n\n\n\n\nAffected are applications using Apache MINA that call  IoBuffer.getObject().\n\n\n\n\n\nApplications using Apache MINA are advised to upgrade.","cvss_v4":null,"cvss_v3":{"version":"3.1","vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H","score":9.8},"cwes":["CWE-502"],"references":["https://lists.apache.org/thread/1l91w1mqsb3lwfd504fs045ylxntt2tm","http://www.openwall.com/lists/oss-security/2026/04/27/4"],"products":["apache:mina"],"source":"nvd","synced_at":"2026-10-26T22:26:44.656832877+00:00"},"epss":{"cve":"CVE-2026-41635","score":0.00616,"percentile":0.49207,"date":"2026-10-26"},"kev":null,"osv":[{"id":"GHSA-8297-v2rf-2p32","url":"https://osv.dev/vulnerability/GHSA-8297-v2rf-2p32","summary":"Apache MINA vulnerable to Deserialization of Untrusted Data","modified":"2026-09-10T03:51:01.091621875Z","packages":[{"ecosystem":"Maven","name":"org.apache.mina:mina-core","purl":"pkg:maven/org.apache.mina/mina-core","ranges":[">=2.0.0 <2.0.28"],"fixed":["2.0.28"]},{"ecosystem":"Maven","name":"org.apache.mina:mina-core","purl":"pkg:maven/org.apache.mina/mina-core","ranges":[">=2.1.0 <2.1.11"],"fixed":["2.1.11"]},{"ecosystem":"Maven","name":"org.apache.mina:mina-core","purl":"pkg:maven/org.apache.mina/mina-core","ranges":[">=2.2.0 <2.2.6"],"fixed":["2.2.6"]}]}],"attribution":["This product uses the NVD API but is not endorsed or certified by the NVD.","EPSS scores: FIRST Exploit Prediction Scoring System, https://www.first.org/epss","Known exploited vulnerabilities: CISA Known Exploited Vulnerabilities Catalog, https://www.cisa.gov/known-exploited-vulnerabilities-catalog","Package advisories: OSV (https://osv.dev), from the GitHub Advisory Database, PyPA, Go, RustSec and other ecosystem databases, under CC-BY 4.0 or CC0","CVE records: the CVE Program's CVE List (https://www.cve.org), under its terms of use (https://www.cve.org/Legal/TermsOfUse). CVE is a registered trademark of The MITRE Corporation; this product is not affiliated with the CVE Program."]}