rucio has an Authorization Bypass on REST API endpoint for signing URLs

影響: pip:rucio >= 1.16.1, < 35.9.0 → 35.9.0, pip:rucio >= 36.0.0rc1, < 38.6.0 → 38.6.0, pip:rucio >= 39.0.0rc1, < 41.0.0rc1 → 41.0.0rc1

The /credentials/signurl endpoint decides authorization from the client-supplied X-Rucio-Account HTTP header instead of the authenticated token's account. Any client holding any valid auth token (even a low-privilege account they legitimately own) can send X-Rucio-Account: root to pass the root-only permission check and have the Rucio server mint a presigned read / write / delete URL for an arbitrary object, signed with the RSE's stored S3 / GCS / Swift credentials. Details SignURL.get() takes…

在 GitHub Advisory Database 阅读

2026/10/29 04:50，GitHub Advisory Database 发布了“rucio has an Authorization Bypass on REST API endpoint for signing URLs”（类型：漏洞公告）。严重程度为“高危”（high）。相关技术：Python、Swift。CVE：CVE-2026-58273。