{"action":"Upgrade github.com/free5gc/udm to 1.4.2 or later.","affected":[{"fixed":"1.4.2","introduced":"0"}],"component":"github.com/free5gc/udm","cve_ids":["CVE-2026-33191"],"ecosystem":"Go","epss":0.0036,"exploited":false,"fixed_versions":["1.4.2"],"ghsa_id":"GHSA-p9hg-pq3q-v9gv","id":"tcs_01M5KFH72BW1Q0JDPHNCZEQPBA","modified_at":"2026-03-23T18:56:15.588936Z","published_at":"2026-03-18T20:11:15Z","references":["https://osv.dev/vulnerability/GHSA-p9hg-pq3q-v9gv","https://github.com/free5gc/free5gc/security/advisories/GHSA-p9hg-pq3q-v9gv","https://nvd.nist.gov/vuln/detail/CVE-2026-33191","https://github.com/free5gc/udm/pull/79","https://github.com/free5gc/udm/commit/88de9fa74a1b3f3522e53b4cfa2d184712ffa4ee","https://github.com/free5gc/udm"],"severity":{"label":"high","score":8.6},"sources":[{"source":"osv","source_id":"GHSA-p9hg-pq3q-v9gv","url":"https://osv.dev/vulnerability/GHSA-p9hg-pq3q-v9gv"},{"source":"nvd","source_id":"CVE-2026-33191","url":"https://nvd.nist.gov/vuln/detail/CVE-2026-33191"}],"summary":"free5GC UDM vulnerable to null byte injection in URL path parameters causing 500 Internal Server Error"}