CVE-2026-39944 | CVSS: 8.8 | 严重级别: HIGH
Ceph is an open-source distributed storage platform providing object, block, and file storage. In versions prior to 20.2.4 and 19.2.6, the RADOS Gateway (RGW) protects STS session tokens with an AES-128-CBC handler that provides no message authentication, allowing an attacker who holds any valid STS token to tamper with it undetected and escalate to full RGW administrative access. Because the ciphertext is unauthenticated, the attacker can perform a CBC bit-flip on the acct_type, perm_type, and is_admin fields of their own token, and a forged is_admin value triggers a global administrative ove
参考链接:
• https://github.com/ceph/ceph/releases/tag/v19.2.6
• https://github.com/ceph/ceph/releases/tag/v20.2.4
• https://github.com/ceph/ceph/security/advisories/GHSA-j73r-qrgx-jvq2
📌 数据来源: NVD 官方