{"id":"CVE-2026-66256","aliases":[],"url":"https://o3.security/vulnerability/CVE-2026-66256","summary":"** UNSUPPORTED WHEN ASSIGNED ** Deserialization of Untrusted Data vulnerability in Apache Shindig.\n\nThis issue affects Apache Shindig: all versions.\n\nUsers with access to the Shindig…","details":"** UNSUPPORTED WHEN ASSIGNED ** Deserialization of Untrusted Data vulnerability in Apache Shindig.\n\nThis issue affects Apache Shindig: all versions.\n\nUsers with access to the Shindig REST API can send specially-crafted requests to trigger arbitrary code execution on the server.\n\nAs this project is retired, we do not plan to release a version that fixes this issue. Users are recommended to find an alternative or restrict access to the instance to trusted users.\n\nNOTE: This vulnerability only affects products that are no longer supported by the maintainer.","published":"2026-08-13T15:19:56.557","modified":"2026-08-14T19:04:48.700","cvss":{"score":7.2,"severity":"HIGH","vector":"CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H"},"epss":null,"cisaKev":null,"exploitsKnown":null,"affectedPackages":[],"fix":null,"references":[{"type":"WEB","url":"https://lists.apache.org/thread/opgpnhk149614gx6vcy3lvyjnycw8mkh"},{"type":"WEB","url":"http://www.openwall.com/lists/oss-security/2026/08/13/7"}],"provenance":{"sources":["OSV.dev","NVD","FIRST.org (EPSS)"],"lastVerified":"2026-08-14T19:04:48.700"}}