{"schema_version":"1.7.5","id":"GO-2026-4763","published":"2026-03-23T18:14:51Z","modified":"2026-03-23T18:45:17.674466Z","aliases":["CVE-2026-33191","GHSA-p9hg-pq3q-v9gv"],"summary":"free5GC UDM vulnerable to null byte injection in URL path parameters causing 500 Internal Server Error in github.com/free5gc/udm","details":"free5GC UDM vulnerable to null byte injection in URL path parameters causing 500 Internal Server Error in github.com/free5gc/udm","affected":[{"package":{"name":"github.com/free5gc/udm","ecosystem":"Go","purl":"pkg:golang/github.com/free5gc/udm"},"ranges":[{"type":"SEMVER","events":[{"introduced":"0"},{"fixed":"1.4.2"}]}],"ecosystem_specific":{},"database_specific":{"source":"https://vuln.go.dev/ID/GO-2026-4763.json"}}],"references":[{"type":"ADVISORY","url":"https://github.com/free5gc/free5gc/security/advisories/GHSA-p9hg-pq3q-v9gv"},{"type":"ADVISORY","url":"https://nvd.nist.gov/vuln/detail/CVE-2026-33191"},{"type":"FIX","url":"https://github.com/free5gc/udm/commit/88de9fa74a1b3f3522e53b4cfa2d184712ffa4ee"},{"type":"FIX","url":"https://github.com/free5gc/udm/pull/79"}],"database_specific":{"review_status":"UNREVIEWED","url":"https://pkg.go.dev/vuln/GO-2026-4763"}}