RCE in Lockerproject Locker
CVE-2026-3951
A security flaw has been discovered in LockerProject Locker 0.0.0/0.0.1/0.1.0. Affected is the function authIsAwesome of the file source-code/Locker-master/Ops/registry.js of the component Error Response Handler. The manipulation of the ar…
Vulnerability class: XSS (Cross-Site Scripting)
EPSS: 0.001 (15.8th percentile) — read the EPSS interpretation.
CVSS v3 metric
CVSS v3 base score 4.3 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:L/A:N.
Affected products
- Lockerproject Locker — versions 0.0.0, 0.0.1, 0.1.0
Weakness classification (CWE)
References
- VDB-350383 | LockerProject Locker Error Response registry.js authIsAwesome cross site scripting (technical-description, vdb-entry)
- VDB-350383 | CTI Indicators (IOB, IOC, TTP, IOA) (signature, permissions-required)
- Submit #767231 | LockerProject Locker <=0.1.0 Reflected XSS (third-party-advisory)
- cna@vuldb.com (issue-tracking)
- cna@vuldb.com (issue-tracking, exploit)
- cna@vuldb.com (product)
Frequently asked questions
- What is CVE-2026-3951?
- CVE-2026-3951 is a medium-severity vulnerability in Lockerproject Locker, classified under Cross-site Scripting. CVSS score: 4.3/10. Published 2026-03-11.
- How severe is CVE-2026-3951?
- Medium severity. CVSS v3 base score is 4.3 out of 10.