Get a Demo

Let's Patch It!

Book a short call with one our specialists, we'll walk you through how Endor Patches work, and ask you a few questions about your environment (like your primary programming languages and repository management). We'll also send you an email right after you fill out the form, feel free to reply with any questions you have in advance!

CVE

CVE-2026-21440

AdonisJS Path Traversal in Multipart File Handling
Back to all
CVE

CVE-2026-21440

AdonisJS Path Traversal in Multipart File Handling

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.

Package Versions Affected

Package Version
patch Availability
No items found.

Automatically patch vulnerabilities without upgrading

Fix Without Upgrading
Detect compatible fix
Apply safe remediation
Fix with a single pull request

CVSS Version

Severity
Base Score
CVSS Version
Score Vector
C
H
U
9.2
-
4.0
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/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
C
H
U
0
-
C
H
U
-

Related Resources

No items found.

References

https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/21xxx/CVE-2026-21440.json, https://github.com/adonisjs/bodyparser/commit/143a16f35602be8561215611582211dec280cae6, https://github.com/adonisjs/bodyparser/commit/6795c0e3fa824ae275bbd992aae60609e96f0f03, https://github.com/adonisjs/bodyparser/releases/tag/v10.1.2, https://github.com/adonisjs/bodyparser/releases/tag/v11.0.0-next.6, https://github.com/adonisjs/core/security/advisories/GHSA-gvq6-hvvp-h34h, https://nvd.nist.gov/vuln/detail/CVE-2026-21440

Severity

0

CVSS Score
0
10

Basic Information

Ecosystem
Base CVSS
0
EPSS Probability
0.00317%
EPSS Percentile
0.54265%
Introduced Version
0,0f61367f643a4d13248d00191fc45c8e075f11cb
Fix Available
7728685025fc200d86ba46c1f5510198e4d3e9d2,63a672da7aa4c83dab770a9a11ced1df70ce7128

Fix Critical Vulnerabilities Instantly

Secure your app without upgrading.
Fix Without Upgrading