---
cve: "CVE-2026-78886"
severity: "MEDIUM"
cvss: 6.3
epss: "0.4%"
vendor: "liketrek"
kev: false
exploited: false
published: "2026-08-25 13:19:32"
tags: [cve, security, medium]
source: tsecurity.de CVE-Dossier
exported: "2026-09-30T03:55:57+02:00"
---

# CVE-2026-78886

> 6.3 MEDIUM · 🧪 PoC

## Beschreibung

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.

## CISA-Anreicherung (vulnrichment/ADP)

- CISA-SSVC (Coordinator, v2.0.3):
  - Exploitation: **none**
  - Automatable: **no**
  - Technical Impact: **partial**

## CVSS-Vektor

```
CVSS:4.0/AV:N/AC:H/AT:N/PR:N/UI:N/VC:L/VI:N/VA:N/SC:N/SI:N/SA:N/E:X
```

| Metrik | Wert | Bewertung |
|---|---|---|
| AV Angriffsvektor | Netzwerk | bad |
| AC Komplexität | Hoch | good |
| PR Privilegien | Keine | bad |
| UI Interaktion | Keine | bad |

## Patch verfügbar (OSV)

- f6af1d67a2630d77dcce39a92ac5599d08d7a5a1 (Commit)

## Referenzen

- <https://vuldb.com/vuln/394942>
- <https://vuldb.com/vuln/394942/cti>
- <https://vuldb.com/cve/CVE-2026-78886>
- <https://vuldb.com/submit/886932>
- <https://github.com/mauriceboe/TREK/security/advisories/GHSA-h66w-m5g2-cqpc>
- <https://github.com/liketrek/TREK/releases/tag/v3.1.0>

---
_Exportiert aus dem [tsecurity.de CVE-Dossier](https://tsecurity.de/cve?cve=CVE-2026-78886) · Datenquellen: EUVD (ENISA), NVD, OSV, CISA KEV, FIRST EPSS, Exploit-DB, BSI WID (CSAF)_
