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CVE-2026-21440

AdonisJS Path Traversal in Multipart File Handling

CVSS 9.2 CRITICALEPSS 1.1%CWE-22
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.
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
Affected products
adonisjs · core

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References
https://github.com/adonisjs/bodyparser/commit/143a16f35602be8561215611582211dec280cae6https://github.com/adonisjs/bodyparser/commit/6795c0e3fa824ae275bbd992aae60609e96f0f03https://github.com/adonisjs/bodyparser/releases/tag/v10.1.2https://github.com/adonisjs/bodyparser/releases/tag/v11.0.0-next.6https://github.com/adonisjs/core/security/advisories/GHSA-gvq6-hvvp-h34h