Vulnerabilities

Vulnerability · CVE-2026-21440

AdonisJS is a TypeScript-first web framework.

Published Jan 2, 2026 · catalog updated Jan 5, 2026 · AdonisJS is a TypeScript-first

Last checked Oct 31, 2026. A connected source was read within the last 7 days.

Check if you run it

No confirmed exploitation is on record for CVE-2026-21440. EPSS is 1.03%. Act only if a listed version of AdonisJS is a TypeScript-first is installed.

Gaps on this record

  • The stored product name is a package slug. The name on this page is taken from the title (AdonisJS is a TypeScript-first).
  • No vendor fix or required action is stored. Compare the linked advisory before you change production.

Same product and reporting

Severity
Critical9.2
Known exploitation
Not in CISA/VulnCheck KEV
EPSS
1.03%
Remediation
Version ranges on file
Affected products
vendor adonisjs core 11.0.0-next.0, < 11.0.0-next.6

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.

Are you affected?

Enter the version you run. The result uses only the ranges stored on this record.

The check returns affected, not affected, or incomplete. It does not guess a version that is missing from the record.

  • vendor adonisjs core 11.0.0-next.0, < 11.0.0-next.611.0.0-next.0, < 11.0.0-next.6

How to fix CVE-2026-21440

What to do

Three questions, each answered from this record only. Confirm the vendor advisory before you patch.

Should you patch?

No confirmed exploitation is on record for CVE-2026-21440. EPSS is 1.03%. Act only if a listed version of AdonisJS is a TypeScript-first is installed.

Which versions are affected?

Compare what you have installed with adonisjs core 11.0.0-next.0, < 11.0.0-next.6 11.0.0-next.0, < 11.0.0-next.6. Compare the installed version with the linked vendor advisory before you change production.

What should an analyst verify?

No weakness class is stored. EPSS 1.03%. There is no CISA KEV listing. No Exploit-DB or Metasploit reference is linked. Use the source links for the original advisory.

Code

The project this record applies to. Exploit listings stay in References.

Timeline

Detection, updates, and resolution for this record.

  1. Jan 2, 2026 · EUVD

    Detected

    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.

  2. Jan 5, 2026 · EUVD

    Updated

    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.

Sources

  • CVE.orgVulnerability recordCVE-2026-21440

    Official CVE identifier

    cve.org
  • FIRST EPSSExploitation probabilityCVE-2026-21440

    30-day exploitation probability 1.03%

    first.org
  • EUVDVulnerability recordEUVD-2026-0036

    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

    euvd.enisa.europa.eu

References

Freshness

Last verified in this catalog Oct 31, 2026. Significant claims (KEV, EPSS, CVSS, affected ranges) come from the source rows above — open the original publisher for the authoritative advisory.

  • FIRST EPSSOct 31, 2026
  • CVE.orgOct 31, 2026
  • EUVDOct 31, 2026