{"id":"CLEANSTART-2026-OS01121","summary":"Applications using AesBytesEncryptor with the two-argument constructor or when passing a null IV generator and CBC as the encryption mode encrypt data with AES/CBC using a null (all-zero) initializ...","details":"Security vulnerability affects the rundeck package. Applications using AesBytesEncryptor with the two-argument constructor or when passing a null IV generator and CBC as the encryption mode encrypt data with AES/CBC using a null (all-zero) initialization vector.","modified":"2026-10-06T01:00:14.175628539Z","published":"2026-10-06T00:34:45.946633Z","upstream":["CVE-2026-47842"],"database_specific":{},"references":[{"type":"ADVISORY","url":"https://github.com/cleanstart-dev/cleanstart-security-advisories/tree/main/advisories/2026/CLEANSTART-2026-OS01121.json"},{"type":"WEB","url":"https://osv.dev/vulnerability/CVE-2026-47842"},{"type":"WEB","url":"https://nvd.nist.gov/vuln/detail/CVE-2026-47842"}],"affected":[{"package":{"name":"rundeck","ecosystem":"CleanStart"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"6.1.0-r3"}]}],"database_specific":{"source":"https://github.com/cleanstart-dev/cleanstart-security-advisories/blob/main/advisories/2026/CLEANSTART-2026-OS01121.json"}}],"schema_version":"1.9.0","severity":[{"type":"CVSS_V3","score":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N"}]}