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CVE-2026-78863— liketrek TREK Pre-2FA mfa_token authService.ts loginUser improper authentication

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及之前版本存在授权问题漏洞，该漏洞源于server/src/services/authService.ts文件中loginUser函数操作不当，导致身份验证不当。

CVSS 6.3 · Medium EPSS 0.51% · P42

Possible ATT&CK Techniques 1 AI

T1078 · Valid Accounts

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-2026-78863

Vulnerability Information
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Vulnerability Title
liketrek TREK Pre-2FA mfa_token authService.ts loginUser improper authentication
Source: CVE Program / CVE List V5
Vulnerability Description
A vulnerability was found in liketrek TREK up to 3.0.22. Impacted is the function loginUser of the file server/src/services/authService.ts of the component Pre-2FA mfa_token Handler. The manipulation results in improper authentication. The attack may be performed from remote. Upgrading to version 3.1.0 is recommended to address this issue. Upgrading the affected component is recommended.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:L
Source: CVE Program / CVE List V5
Vulnerability Type
认证机制不恰当
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 3.0.22及之前版本存在授权问题漏洞，该漏洞源于server/src/services/authService.ts文件中loginUser函数操作不当，导致身份验证不当。
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-2026-78863

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III. Intelligence Information for CVE-2026-78863

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Vendor Advisories for CVE-2026-78863 (3)

Exploits & Public PoCs for CVE-2026-78863 (1)

Other References for CVE-2026-78863 (1)

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

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
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-287

V. Comments for CVE-2026-78863

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