CVE-2026-71192

A flaw was found in the S3API middleware of OpenStack Swift. When configured with s3acl=true non-default, Swift-native control headers such as X-Copy-From and X-Copy-From-Account are not sanitized from S3 API requests. Because the S3 ACL mode bypasses Swift's native authorization, an authenticate...

CVE-2026-71192

CVE-2026-71192 affects OpenStack Swift up to version 2.38.0, where the S3API middleware does not sanitize Swift-native control headers (X-Copy-From, X-Copy-From-Account) in S3 API requests when the non-default configuration s3_acl=true is used. An attacker can inject these headers into a signed P...