CVE-2026-13078
Local File Disclosure in MongoDB Server via MozJS Scripting Engine Module Loader
MEDIUM 6.3EPSS 0.3%
A vulnerability was discovered in MongoDB Server where the server-side MozJS scripting engine unconditionally registered a module loading hook that enables JavaScript calls to read arbitrary files from the host filesystem using the mongod process's privileges. An authenticated user could exploit this through crafted aggregation pipeline commands to read sensitive files accessible to the MongoDB server process.
- Affected
- MongoDB · MongoDB Server
- CVSS v4.0 MONGODB
- 6.3 MEDIUM
CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:N/VI:N/VA:N/SC:H/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X - CVSS v3.1 MONGODB
- 7.7 HIGH
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:N/A:N - EPSS
- 0.34% chance of exploitation in the next 30 days, 26th percentile
- Published
- 2026-07-22
- Updated
- 2026-07-23
Proof-of-concept exploits (1)
- 0xad3m/CVE-2026-13078-POC3★ · 2026-10-12