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CVE-2026-101046— Fleet before 4.89.0 SQL Injection via ORDER BY Activity Endpoints

Quick assessment

Affected
fleetdm fleet
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 Fleet 4.89.0 之前的版本中，活动列表端点（GET /api/v1/fleet/activities 和 GET /api/v1/fleet/hosts/{id}/activities）存在 SQL 注入漏洞。已弃用的 cursor-pagination 辅助函数 appendListOptionsWithCursorToSQL 未使用允许列表（allowlist）校验，便将调用者提供的排序/排序方向键直接拼接到 SQL 的 ORDER BY 子句中，导致拥有活动读取权限的经认证用户能够按任意列对结果

CVSS 3.1 · Low
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I. Basic Information for CVE-2026-101046

Vulnerability Information
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Vulnerability Title
Fleet before 4.89.0 SQL Injection via ORDER BY Activity Endpoints
Source: CVE Program / CVE List V5
Vulnerability Description
Fleet before 4.89.0 contains an SQL injection vulnerability in the activity list endpoints (GET /api/v1/fleet/activities and GET /api/v1/fleet/hosts/{id}/activities). The deprecated cursor-pagination helper appendListOptionsWithCursorToSQL interpolated the caller-supplied sort/order key into the SQL ORDER BY clause without an allowlist, so an authenticated user with read access to Activity could order results by arbitrary columns. The impact is read-only and bounded to columns on the activity_past table that are not otherwise returned in these responses (e.g. details), allowing their values to be inferred through the resulting sort order; there is no write access, privilege escalation, or reachability of node_key or other host-join columns through these endpoints. Fixed in 4.89.0, which removes the deprecated helper and passes the sort column through SanitizeColumn.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:L/I:N/A:N
Source: CVE Program / CVE List V5
Vulnerability Type
SQL命令中使用的特殊元素转义处理不恰当(SQL注入)
Source: CVE Program / CVE List V5

Affected Products

Vendor Product Affected Versions CPE Subscribe
fleetdm fleet 0 ~ 4.89.0 -

II. Public POCs for CVE-2026-101046

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III. Intelligence Information for CVE-2026-101046

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Vendor Advisories for CVE-2026-101046 (1)

Other References for CVE-2026-101046 (1)

Same Patch Batch · fleetdm · 2026-09-27 · 3 CVEs total

CVE-2026-101045 8.0 HIGH Fleet Homebrew Cask OS Command Injection via Metadata
CVE-2026-101047 5.3 MEDIUM Fleet before 4.87.0 Unauthenticated iOS App Download via Predictable URLs

IV. Related Vulnerabilities

Same product: fleet
Same vendor: fleetdm
Same weakness: CWE-89

V. Comments for CVE-2026-101046

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