What’s Vulnerable › Vulnerabilities
CVE-2026-34392: LORIS has a path traversal in static router
- Severity: high (CVSS 7.5 v3.1)
- Exploited in the wild: not listed in CISA KEV
- EPSS: 0.3% probability of exploitation in the next 30 days
- Public exploit or detection template: none known
- Published: 2026-04-08 · updated 2026-07-24
- Weakness: CWE-552
Description
LORIS (Longitudinal Online Research and Imaging System) is a self-hosted web application that provides data- and project-management for neuroimaging research. From 20.0.0 to before 27.0.3 and 28.0.1, a bug in the static file router can allow an attacker to traverse outside of the intended directory, allowing unintended files to be downloaded through the static, css, and js endpoints. This vulnerability is fixed in 27.0.3 and 28.0.1.
Affected products
- aces Loris: from 20.0.0 before 27.0.3; 28.0.0 — fixed in 27.0.3
How to fix
Upgrade to a fixed version: aces Loris 27.0.3. Check the vendor advisory for mitigations.
References
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