{"action":"Upgrade pymongo to 4.18.2 or later.","affected":[{"fixed":"4.18.2","introduced":"3.5.0"}],"component":"pymongo","cve_ids":["CVE-2026-96748"],"ecosystem":"PyPI","epss":0.00361,"exploited":false,"fixed_versions":["4.18.2"],"ghsa_id":"GHSA-vp6j-j7w5-5xjj","id":"tcs_01M5KG0GTWRYKTFSFEBS15AJ0E","modified_at":"2026-10-15T14:56:13.301997054Z","published_at":"2026-10-05T23:47:07Z","references":["https://osv.dev/vulnerability/GHSA-vp6j-j7w5-5xjj","https://github.com/mongodb/mongo-python-driver/security/advisories/GHSA-vp6j-j7w5-5xjj","https://nvd.nist.gov/vuln/detail/CVE-2026-96748","https://github.com/mongodb/mongo-python-driver/pull/3066","https://github.com/mongodb/mongo-python-driver/commit/1e7a56db4649b14c4c9a6ac20aa4a8d0d1bb238a","https://github.com/mongodb/mongo-python-driver/commit/640dd2383a1a2fb1a10e5222d50ebc0b22a61bd7","https://github.com/mongodb/mongo-python-driver","https://github.com/mongodb/mongo-python-driver/blob/4.18.2/doc/changelog.rst","https://github.com/mongodb/mongo-python-driver/releases/tag/4.18.2","https://www.mongodb.com/community/forums/t/pymongo-4-18-2-released/343732"],"severity":{"label":"medium","score":6.5},"sources":[{"source":"osv","source_id":"GHSA-vp6j-j7w5-5xjj","url":"https://osv.dev/vulnerability/GHSA-vp6j-j7w5-5xjj"}],"summary":"PyMongo: PYTHON-5986 Host injection in PyMongo connection string parsing via percent-encoded delimiters"}