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CVE-2026-78887— liketrek TREK Journey Photo Proxy validateShareTokenForAsset authorization

Quick assessment

Affected
liketrek 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TREK组织的一款可自行托管的旅行/行程规划工具，具备实时协作、交互式地图、PWA 支持、SSO、预算、打包清单等功能。 TREK TREK 3.0.22及之前版本存在授权问题漏洞，该漏洞源于Journey Photo Proxy组件中validateShareTokenForAsset函数的处理问题，可能导致不正确的授权。

CVSS 3.7 · Low EPSS 0.46% · P39

Possible ATT&CK Techniques 1 AI

T1190 · Exploit Public-Facing Application

Affected Version Matrix 24

VendorProduct Version RangeStatus
liketrek TREK 3.0.0 affected
3.0.1 affected
3.0.2 affected
3.0.3 affected
3.0.4 affected
3.0.5 affected
3.0.6 affected
3.0.7 affected
… +16 more rows
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I. Basic Information for CVE-2026-78887

Vulnerability Information
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Vulnerability Title
liketrek TREK Journey Photo Proxy validateShareTokenForAsset authorization
Source: CVE Program / CVE List V5
Vulnerability Description
A weakness has been identified in liketrek TREK up to 3.0.22. This impacts the function validateShareTokenForAsset of the component Journey Photo Proxy. Executing a manipulation can lead to incorrect authorization. The attack can be launched remotely. This attack is characterized by high complexity. The exploitability is said to be difficult. Upgrading to version 3.1.0 will fix this issue. You should upgrade the affected component.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:N/A:N
Source: CVE Program / CVE List V5
Vulnerability Type
授权机制不正确
Source: CVE Program / CVE List V5
Vulnerability Title
TREK 授权问题漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
TREK是TREK组织的一款可自行托管的旅行/行程规划工具，具备实时协作、交互式地图、PWA 支持、SSO、预算、打包清单等功能。 TREK TREK 3.0.22及之前版本存在授权问题漏洞，该漏洞源于Journey Photo Proxy组件中validateShareTokenForAsset函数的处理问题，可能导致不正确的授权。
Source: CNNVD (China National Vulnerability Database)
CVSS Information
N/A
Source: CNNVD (China National Vulnerability Database)
Vulnerability Type
N/A
Source: CNNVD (China National Vulnerability Database)

Affected Products

Vendor Product Affected Versions CPE Subscribe
liketrek TREK 3.0.0 cpe:2.3:a:liketrek:trek:*:*:*:*:*:*:*:*

II. Public POCs for CVE-2026-78887

# POC Description Source Link Shenlong Link
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III. Intelligence Information for CVE-2026-78887

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Vendor Advisories for CVE-2026-78887 (2)

Exploits & Public PoCs for CVE-2026-78887 (1)

News Coverage for CVE-2026-78887 (1)

Other References for CVE-2026-78887 (1)

Same Patch Batch · liketrek · 2026-08-25 · 5 CVEs total

CVE-2026-78863 6.3 MEDIUM liketrek TREK Pre-2FA mfa_token authService.ts loginUser improper authentication
CVE-2026-78864 6.3 MEDIUM liketrek TREK Journey Entry Update journey.controller.t journeyService.updateEntry sql inj
CVE-2026-78885 5.6 MEDIUM liketrek TREK OIDC Service oidcService.ts findOrCreateUser improper authentication
CVE-2026-78886 3.7 LOW liketrek TREK Public Journey Photo Proxy journey-public.controller.ts path traversal

IV. Related Vulnerabilities

Same product: TREK
Same vendor: liketrek
Same weakness: CWE-863

V. Comments for CVE-2026-78887

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