CVE-2026-40213
| Summary |
OpenStack Cyborg before 16.0.1 uses rule:allow (check_str='@') as the default policy for multiple API endpoints. This unconditionally authorizes any request carrying a valid Keystone token regardless of roles, project membership, or scope. An authenticated user with zero role assignments can complete various actions such as reprogramming FPGA bitstreams on arbitrary compute nodes via agent RPC.
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| Publication Date |
May 8, 2026, 7:16 a.m. |
| Registration Date |
May 9, 2026, 4:11 a.m. |
| Last Update |
May 9, 2026, 1:16 a.m. |
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CVSS3.1 : HIGH
|
| スコア |
7.4
|
| Vector |
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:L/I:L/A:L |
| 攻撃元区分(AV) |
ネットワーク |
| 攻撃条件の複雑さ(AC) |
低 |
| 攻撃に必要な特権レベル(PR) |
低 |
| 利用者の関与(UI) |
不要 |
| 影響の想定範囲(S) |
変更あり |
| 機密性への影響(C) |
低 |
| 完全性への影響(I) |
低 |
| 可用性への影響(A) |
低 |
Related information, measures and tools
Common Vulnerabilities List