CVE-2026-73286 RustF: Request headers can populate server-derived IAM condition keys, letting a caller satisfy identity-based policy conditions

RustFS is a distributed object storage system built in Rust. Prior to 1.0.0-beta.12, RustFS getconditionvalues folds attacker-controlled request headers from HeaderMap into server-derived userid, username, principaltype, groups, versionid, signatureversion, jwt:, and ldap: condition keys, allowin...

CVE-2026-73286

Summary: The CVE-2026-73286 issue affects RustFS prior to 1.0.0-beta.12. The vulnerability arises because get_condition_values folds attacker-controlled request headers from HeaderMap into server-derived identity keys (userid, username, principaltype, groups, versionid, signatureversion, jwt:, ld...

EUVD-2026-57230

RustFS is a distributed object storage system built in Rust. Prior to 1.0.0-beta.12, RustFS getconditionvalues folds attacker-controlled request headers from HeaderMap into server-derived userid, username, principaltype, groups, versionid, signatureversion, jwt:, and ldap: condition keys, allowin...