{"id":"CVE-2026-81525","aliases":[],"url":"https://o3.security/vulnerability/CVE-2026-81525","summary":"The MongoDB client library for PHP does not sufficiently sanitize special elements in application-supplied namespace identifiers before using them to construct the target namespace…","details":"The MongoDB client library for PHP does not sufficiently sanitize special elements in application-supplied namespace identifiers before using them to construct the target namespace for database operations. An application that incorporates untrusted text into these identifiers may have operations silently directed at a different storage location than the one the application intended.","published":"2026-08-27T20:18:50.913","modified":"2026-08-27T20:18:50.913","cvss":{"score":8.1,"severity":"HIGH","vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:N"},"epss":null,"cisaKev":null,"exploitsKnown":null,"affectedPackages":[],"fix":null,"references":[{"type":"WEB","url":"https://github.com/mongodb/mongo-php-driver/releases/tag/1.21.7"},{"type":"WEB","url":"https://github.com/mongodb/mongo-php-library/releases/tag/2.4.1"}],"provenance":{"sources":["OSV.dev","NVD","FIRST.org (EPSS)"],"lastVerified":"2026-08-27T20:18:50.913"}}