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CVE-2026-78885— liketrek TREK OIDC Service oidcService.ts findOrCreateUser 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.

在 liketrek TREK 3.0.22 及更早版本中发现了漏洞。受影响的元素是 OIDC 服务组件中文件 的 函数。此类操作会导致身份验证不当。该攻击可远程发起，但攻击复杂度较高，利用难度较大。升级至 3.1.0 版本即可解决此问题。建议升级受影响的组件。

CVSS 5.6 · Medium

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-2026-78885

Vulnerability Information
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Vulnerability Title
liketrek TREK OIDC Service oidcService.ts findOrCreateUser improper authentication
Source: CVE Program / CVE List V5
Vulnerability Description
A vulnerability was identified in liketrek TREK up to 3.0.22. The impacted element is the function findOrCreateUser of the file server/src/services/oidcService.ts of the component OIDC Service. Such manipulation leads to improper authentication. It is possible to launch the attack remotely. The attack requires a high level of complexity. The exploitability is regarded as difficult. Upgrading to version 3.1.0 is sufficient to resolve this issue. Upgrading the affected component is advised.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/AC:H/PR:N/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

Affected Products

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

II. Public POCs for CVE-2026-78885

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III. Intelligence Information for CVE-2026-78885

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Vendor Advisories for CVE-2026-78885 (3)

News Coverage for CVE-2026-78885 (1)

Other References for CVE-2026-78885 (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-2026-78886 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-2026-78885

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