{"id":"CLEANSTART-2026-ZG57925","summary":"vulnerability in Spring Expression Language (SpEL) evaluation logic allows for arbitrary zero-argument method invocation, even within restricted or read-only contexts, which may allow an attacker t...","details":"Security vulnerability affects the apache-nifi package. A vulnerability in Spring Expression Language (SpEL) evaluation logic allows for arbitrary zero-argument method invocation, even within restricted or read-only contexts, which may allow an attacker to invoke unintended application logic.","modified":"2026-10-31T16:30:47.418904280Z","published":"2026-10-31T11:51:01.773690Z","upstream":["CVE-2026-41852"],"database_specific":{},"references":[{"type":"ADVISORY","url":"https://github.com/cleanstart-dev/cleanstart-security-advisories/tree/main/advisories/2026/CLEANSTART-2026-ZG57925.json"},{"type":"WEB","url":"https://osv.dev/vulnerability/CVE-2026-41852"},{"type":"WEB","url":"https://nvd.nist.gov/vuln/detail/CVE-2026-41852"}],"affected":[{"package":{"name":"apache-nifi","ecosystem":"CleanStart","purl":"pkg:apk/cleanstart/apache-nifi"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"2.9.0-r3"}]}],"database_specific":{"source":"https://github.com/cleanstart-dev/cleanstart-security-advisories/blob/main/advisories/2026/CLEANSTART-2026-ZG57925.json"}},{"package":{"name":"apache-nifi","ecosystem":"CleanStart","purl":"pkg:apk/cleanstart/apache-nifi"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"2.9.0-r6"}]}],"database_specific":{"source":"https://github.com/cleanstart-dev/cleanstart-security-advisories/blob/main/advisories/2026/CLEANSTART-2026-ZG57925.json"}}],"schema_version":"1.9.2","severity":[{"type":"CVSS_V3","score":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N"}]}