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CVE-2026-78886— liketrek TREK Public Journey Photo Proxy journey-public.controller.ts path traversal

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 3.0.22及之前版本存在路径遍历漏洞，该漏洞源于Public Journey Photo Proxy组件中文件server/src/nest/journey/journey-public.controller.ts的未知函数操作，可能导致路径遍历。

CVSS 3.7 · Low EPSS 0.58% · P46

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-2026-78886

Vulnerability Information
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Vulnerability Title
liketrek TREK Public Journey Photo Proxy journey-public.controller.ts path traversal
Source: CVE Program / CVE List V5
Vulnerability Description
A security flaw has been discovered in liketrek TREK up to 3.0.22. This affects an unknown function of the file server/src/nest/journey/journey-public.controller.ts of the component Public Journey Photo Proxy. Performing a manipulation results in path traversal. The attack can be initiated remotely. The attack's complexity is rated as high. The exploitability is reported as difficult. Upgrading to version 3.1.0 mitigates this issue. It is advisable to 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
对路径名的限制不恰当(路径遍历)
Source: CVE Program / CVE List V5
Vulnerability Title
TREK 路径遍历漏洞
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 3.0.22及之前版本存在路径遍历漏洞，该漏洞源于Public Journey Photo Proxy组件中文件server/src/nest/journey/journey-public.controller.ts的未知函数操作，可能导致路径遍历。
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-2026-78886

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III. Intelligence Information for CVE-2026-78886

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Vendor Advisories for CVE-2026-78886 (2)

Proof of Concept for CVE-2026-78886 (1)

News Coverage for CVE-2026-78886 (1)

Other References for CVE-2026-78886 (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-2026-78887 3.7 LOW liketrek TREK Journey Photo Proxy validateShareTokenForAsset authorization

IV. Related Vulnerabilities

Same product: TREK
Same vendor: liketrek
Same weakness: CWE-22

V. Comments for CVE-2026-78886

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