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CVE-2026-71195

Quick assessment

Affected
OpenStack Manila
Exploitation
No confirmed in-the-wild exploitation; assess based on exposure
Recommended action
Check the vendor advisory and references for a fixed version. If immediate upgrade is impossible, restrict exposure and increase monitoring.

在 OpenStack Manila 23.0.1 之前的版本中，针对公共共享（public share）的多个 Manila API 操作未能验证调用者是否为该共享的所有者。API 控制器会基于调用者自身的项目上下文对操作进行授权，随后加载一个属于其他项目的公共共享，却未根据该共享的实际所有者重新进行授权。受影响的 API 操作包括： allow_access：向其他租户的共享授予数据平面的读写访问权限； deny_access：撤销共享所有者已设置的访问规则； update_access：提升访问级别（例如从只

CVSS 9.9 · Critical
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I. Basic Information for CVE-2026-71195

Vulnerability Information
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Vulnerability Title
N/A
Source: CVE Program / CVE List V5
Vulnerability Description
In OpenStack Manila before 23.0.1, multiple Manila API operations on public shares do not verify that the caller owns the share. The API controllers authorize operations against the caller's own project context, then load a foreign public share without re-authorizing against the share's actual owner. This affects the following operations: allow_access: grant data-plane read/write access to another tenant's share; deny_access: revoke the owner's existing access rules; update_access: escalate access level (e.g., ro to rw); create_share_backup: exfiltrate share data via a backup created under the attacker's project; soft_delete: move a foreign share to the recycle bin; restore: interfere with the owner's deletion workflow; export location metadata: create, update, and delete metadata on foreign export locations; access rule listing: disclose IPs, usernames, and CephFS keys. Any authenticated project member can exploit these operations on any public share. The share UUID is visible since the share is public.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H
Source: CVE Program / CVE List V5
Vulnerability Type
授权机制不正确
Source: CVE Program / CVE List V5

Affected Products

Vendor Product Affected Versions CPE Subscribe
OpenStack Manila 1.0.0 ~ 20.0.3 -

II. Public POCs for CVE-2026-71195

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III. Intelligence Information for CVE-2026-71195

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Vendor Advisories for CVE-2026-71195 (1)

Mailing List Discussions for CVE-2026-71195 (1)

IV. Related Vulnerabilities

Same vendor: OpenStack
Same weakness: CWE-863

V. Comments for CVE-2026-71195

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