{"id":"CVE-2026-82457","aliases":[],"url":"https://o3.security/vulnerability/CVE-2026-82457","summary":"su-exec through 0.3 fails to validate numeric user and group identifiers parsed with strtol before assigning to uid_t and gid_t, allowing truncation of out-of-range values to zero.…","details":"su-exec through 0.3 fails to validate numeric user and group identifiers parsed with strtol before assigning to uid_t and gid_t, allowing truncation of out-of-range values to zero. Attackers can supply large numeric identifiers that truncate to root's identifier, causing su-exec to execute target programs with root privileges instead of intended unprivileged accounts.","published":"2026-08-29T14:16:38.910","modified":"2026-08-29T14:16:38.910","cvss":{"score":7.8,"severity":"HIGH","vector":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H"},"epss":null,"cisaKev":null,"exploitsKnown":null,"affectedPackages":[],"fix":null,"references":[{"type":"WEB","url":"https://gist.github.com/thesmartshadow/ed96e2a88643c34a247c9b7cf9e311be"},{"type":"WEB","url":"https://github.com/ncopa/su-exec"},{"type":"WEB","url":"https://github.com/ncopa/su-exec/blob/89c016e6e08749d583efdeda04b9f73e1218e253/su-exec.c"},{"type":"WEB","url":"https://www.vulncheck.com/advisories/su-exec-through-0.3-privilege-escalation-via-numeric-user-id"}],"provenance":{"sources":["OSV.dev","NVD","FIRST.org (EPSS)"],"lastVerified":"2026-08-29T14:16:38.910"}}