CVE-2026-21440CWE-22

AdonisJS Path Traversal in Multipart File Handling

Critical · published January 2, 2026

CVSS v4.0
9.2
EPSS
1%
Percentile
63.5
In the wild
Unconfirmed
What it is

AdonisJS is a TypeScript-first web framework. A Path Traversal vulnerability in AdonisJS multipart file handling may allow a remote attacker to write arbitrary files to arbitrary locations on the server filesystem. This impacts @adonisjs/bodyparser through version 10.1.1 and 11.x prerelease versions prior to 11.0.0-next.6. This issue has been patched in @adonisjs/bodyparser versions 10.1.2 and 11.0.0-next.6.

The record
Technical detail
CVSS v4.0
9.2 · CRITICAL
Vector
CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N
EPSS
0.01034 · 63.5th percentile
Weakness
CWE-22 · Improper Limitation of a Pathname to a Restricted Directory ('Path Traversal')
Published
2026-01-02T19:02Z
EPSS history
Timeline
  • 02 JAN 19:02Z
    AdonisJS Path Traversal in Multipart File Handling
    cvelistv5