What’s Vulnerable › Vulnerabilities

CVE-2026-21440: AdonisJS Path Traversal in Multipart File Handling

• Severity: critical (CVSS 9.2 v4.0)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 1.0% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2026-01-02 · updated 2026-06-17
• Weakness: CWE-22

Description

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.

Affected products

• adonisjs core: before 10.1.2; from 11.0.0-next.0, < 11.0.0-next.6

References

• 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

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