{"id":"CLEANSTART-2026-DC52993","summary":"Due to incorrect host parsing, applications that rely on UriComponentsBuilder to parse and validate an externally provided URL string may be exposed to a server-side request forgery (SSRF) attack","details":"Security vulnerability affects the apache-nifi package. Due to incorrect host parsing, applications that rely on UriComponentsBuilder to parse and validate an externally provided URL string may be exposed to a server-side request forgery (SSRF) attack.","modified":"2026-10-08T16:46:42.367631552Z","published":"2026-10-01T00:35:35.445481Z","upstream":["CVE-2026-41854"],"database_specific":{},"references":[{"type":"ADVISORY","url":"https://github.com/cleanstart-dev/cleanstart-security-advisories/tree/main/advisories/2026/CLEANSTART-2026-DC52993.json"},{"type":"WEB","url":"https://osv.dev/vulnerability/CVE-2026-41854"},{"type":"WEB","url":"https://nvd.nist.gov/vuln/detail/CVE-2026-41854"}],"affected":[{"package":{"name":"apache-nifi","ecosystem":"CleanStart","purl":"pkg:apk/cleanstart/apache-nifi"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"2.5.0-r1"}]}],"database_specific":{"source":"https://github.com/cleanstart-dev/cleanstart-security-advisories/blob/main/advisories/2026/CLEANSTART-2026-DC52993.json"}}],"schema_version":"1.9.0","severity":[{"type":"CVSS_V3","score":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H"}]}