CVE-2026-78885 liketrek TREK OIDC Service oidcService.ts findOrCreateUser improper authentication
Attackers can bypass authentication in the TREK OIDC Service via improper user creation logic, requiring a high-complexity remote attack.
- 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-2026-78885?
CVE-2026-78885 is a medium-severity authentication bypass 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 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.
Weakness: CWE-287
Which versions are affected by CVE-2026-78885?
How do I fix CVE-2026-78885?
No fix has been published for CVE-2026-78885 yet. Limit exposure of the affected software until one is available.
Upgrade, and rotate credentials and sessions that may have been exposed. More about Authentication bypass.
Is CVE-2026-78885 being exploited?
There is no known exploitation of CVE-2026-78885 in the wild and no public exploit code.
Sources
Also known as GHSA-fvgw-r58q-4cw4, GHSA-q5wr-f3rq-qfcg.