Path Traversal in Liketrek Trek
CVE-2026-78886
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.
Vulnerability class: Path Traversal (Directory Traversal)
Published · last modified .
CVSS v3 metric
CVSS v3 base score 3.7 (Low). Vector: CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:N/A:N.
EPSS exploit prediction
EPSS: 0.006 (46.0th percentile), scored .
Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 46th percentile — 46.0% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.004 · newest: 0.006 · change: +0.002
Affected products
- Liketrek Trek — versions 3.0.0, 3.0.1, 3.0.10
Weakness classification (CWE)
References
- vuldb.com/vuln/394942 (vdb-entry)
- vuldb.com/vuln/394942/cti (signature, permissions-required)
- vuldb.com/cve/CVE-2026-78886 (third-party-advisory)
- vuldb.com/submit/886932 (third-party-advisory)
- github.com/mauriceboe/TREK/security/advisories/GHSA-h66w-m5g2-cqpc (related)
- github.com/liketrek/TREK/releases/tag/v3.1.0 (patch)
Frequently asked questions
- What is CVE-2026-78886?
- CVE-2026-78886 is a low-severity vulnerability in Liketrek Trek, classified under Path Traversal. CVSS score: 3.7/10. Published 2026-08-25.
- How severe is CVE-2026-78886?
- Low severity. CVSS v3 base score is 3.7 out of 10.