CVE-2026-78886 liketrek TREK Public Journey Photo Proxy journey-public.controller.ts path traversal
Remote attackers can exploit a path traversal flaw in the Public Journey Photo Proxy to read arbitrary files, requiring high complexity and permissions.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- None listed
What is CVE-2026-78886?
CVE-2026-78886 is a medium-severity path traversal vulnerability in liketrek TREK, published on 25 Aug 2026. An attacker can exploit it over the internet without logging in, with no action from the victim.
Official 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.
Weakness: CWE-22
Which versions are affected by CVE-2026-78886?
How do I fix CVE-2026-78886?
No fix has been published for CVE-2026-78886 yet. Limit exposure of the affected software until one is available.
Upgrade, and resolve every user-supplied path against an allowed base folder before opening it. More about Path traversal.
Is CVE-2026-78886 being exploited?
There is no known exploitation of CVE-2026-78886 in the wild and no public exploit code.
Sources
Also known as GHSA-h66w-m5g2-cqpc, GHSA-pw55-389h-h6rh.