Auth bypass in Liketrek Trek
CVE-2026-78887
A weakness has been identified in liketrek TREK up to 3.0.22. This impacts the function validateShareTokenForAsset of the component Journey Photo Proxy. Executing a manipulation can lead to incorrect authorization. The attack can be launched remotely. This attack is characterized by high complexity. The exploitability is said to be difficult. Upgrading to version 3.1.0 will fix this issue. You should upgrade the affected component.
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: 0.005 (38.2th percentile), scored .
Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 38th percentile — 38.2% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.003 · newest: 0.005 · change: +0.002
Affected products
- Liketrek Trek — versions 3.0.0, 3.0.1, 3.0.10
Weakness classification (CWE)
References
- vuldb.com/vuln/394943 (technical-description, vdb-entry)
- vuldb.com/vuln/394943/cti (signature, permissions-required)
- vuldb.com/cve/CVE-2026-78887 (third-party-advisory)
- vuldb.com/submit/886933 (third-party-advisory)
- github.com/mauriceboe/TREK/security/advisories/GHSA-24x9-fcj9-vp6w (related)
- github.com/liketrek/TREK/releases/tag/v3.1.0 (patch)
Frequently asked questions
- What is CVE-2026-78887?
- CVE-2026-78887 is a low-severity vulnerability in Liketrek Trek, classified under Improper Authorization. CVSS score: 3.7/10. Published 2026-08-25.
- How severe is CVE-2026-78887?
- Low severity. CVSS v3 base score is 3.7 out of 10.