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CVE-2026-77320— TREK: Public trip share link ignores the `share_map` permission server-side (client-enforced authorization → itinerary/location disclosure)

Quick assessment

Affected
mauriceboe TREK
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.

TREK 是一款协作式旅行规划工具。在版本 3.3.0 之前， 中的 函数在通过 接口返回数据时，即便行程所有者已禁用“共享地图”（share_map）选项，仍会返回天数安排（days）、任务分配（assignments）、每日备注（dayNotes）以及地点信息（places）。虽然客户端会隐藏地图显示，但公开的 JSON 响应中依然包含完整的行程路线、地点名称、坐标、地址、描述、备注和价格等信息。因此，任何持有有效分享令牌的用户都可以读取到行程所有者明确选择不公开的位置和路线信息。尽管攻击者仍需拥有随机的令牌，

CVSS 5.3 · Medium EPSS 0.23% · P13

Possible ATT&CK Techniques 1 AI

T1530 · Data from Cloud Storage

Affected Version Matrix 1

VendorProduct Version RangeStatus
mauriceboe TREK < 3.3.0 affected
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I. Basic Information for CVE-2026-77320

Vulnerability Information
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Vulnerability Title
TREK: Public trip share link ignores the `share_map` permission server-side (client-enforced authorization → itinerary/location disclosure)
Source: CVE Program / CVE List V5
Vulnerability Description
TREK is a collaborative travel planner. Prior to 3.3.0, getSharedTripData in server/src/services/shareService.ts returns days, assignments, dayNotes, and places through GET /api/shared/:token even when the trip owner disables share_map. The client hides the map, but the public JSON response still includes the itinerary and place names, coordinates, addresses, descriptions, notes, and prices. Anyone holding the valid share token can therefore read location and route information that the owner explicitly chose not to share, although the random token remains required and the flaw does not permit modification. This issue is fixed in version 3.3.0.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N
Source: CVE Program / CVE List V5
Vulnerability Type
信息暴露
Source: CVE Program / CVE List V5

Affected Products

Vendor Product Affected Versions CPE Subscribe
mauriceboe TREK < 3.3.0 -

II. Public POCs for CVE-2026-77320

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III. Intelligence Information for CVE-2026-77320

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Patches & Fixes for CVE-2026-77320 (1)

Vendor Advisories for CVE-2026-77320 (1)

Other References for CVE-2026-77320 (1)

Same Patch Batch · mauriceboe · 2026-09-24 · 4 CVEs total

CVE-2026-77294 8.1 HIGH TREK: Server-Side Request Forgery via User-Configurable LLM Base URL
CVE-2026-77293 7.1 HIGH TREK: Cross-user note-file deletion (IDOR / Broken Access Control)
CVE-2026-77321 4.3 MEDIUM TREK MCP trip summary bypasses delegated OAuth read scopes

IV. Related Vulnerabilities

Same product: TREK
Same vendor: mauriceboe
Same weakness: CWE-200

V. Comments for CVE-2026-77320

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