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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.

在 liketrek TREK 版本 3.0.22 及更早版本中发现了一个弱点。该问题影响了组件 Journey Photo Proxy 中的 validateShareTokenForAsset 函数。执行操纵可能导致错误的授权。此攻击可远程发起，其特点是复杂性高，可利用难度较大。升级至版本 3.1.0 可修复此问题。建议升级受影响的组件。

CVSS 3.7 · Low

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

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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