CVE-2026-21440 json
AdonisJS Path Traversal in Multipart File Handling
published 10mo ago modified 4mo ago also EUVD-2026-0036 , GHSA-gvq6-hvvp-h34h
- cvss
- 9.2
- version 4.0, CNA
- cisa kev
- Not listed
- not in CISA's catalog
- epss
- 1.0%
- EPSS 1.0% chance of exploitation in 30 days, percentile 64%
- public exploits
- 0
- none known
Summary
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.
Patch / fix
- npm @adonisjs/bodyparser 10.1.2, 11.0.0-next.6
- adonisjs bodyparser 10.1.2, 11.0.0-next.6
Is CVE-2026-21440 in your dependencies? Fencer shows which of your repositories are affected as soon as an advisory lands, and opens the fix as a pull request.
Check with FencerCISA SSVC
- Exploitation
- none
- Automatable
- no
- Technical impact
- total
- Assessed
- 10mo ago
Exploit prediction
1.03% chance of exploitation in the next 30 days, higher than 64% of all scored CVEs (FIRST EPSS, 2026-11-09).
CVSS scores
| assigned by | version | score | vector |
|---|---|---|---|
| CNA | 4.0 | 9.2 | 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 |
| CNA | 4.0 | 9.2 | 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 |
Affected packages
| ecosystem | package | affected | fixed in |
|---|---|---|---|
| npm | @adonisjs/bodyparser | <10.1.2 >=11.0.0-next.0, <11.0.0-next.6 |
10.1.2 11.0.0-next.6 |
Affected products
- adonisjs core
Classification
- Weakness
-
- CWE-22 Improper Limitation of a Pathname to a Restricted Directory
References
-
github.com
/adonisjs/bodyparser/commit/143a16f35602be8561215611582211dec280cae6
web
-
github.com
/adonisjs/bodyparser/commit/6795c0e3fa824ae275bbd992aae60609e96f0f03
web
-
github.com
/adonisjs/core/security/advisories/GHSA-gvq6-hvvp-h34h
web
-
github.com
/adonisjs/bodyparser/releases/tag/v10.1.2
web
-
github.com
/adonisjs/bodyparser/releases/tag/v11.0.0-next.6
web
-
nvd.nist.gov
/vuln/detail/CVE-2026-21440
advisory
-
github.com
/adonisjs/core
package
Sources
- CVE List CVE-2026-21440
- GitHub Advisory GHSA-gvq6-hvvp-h34h
- NVD CVE-2026-21440
Fencer Intel keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.
CPEs and fixed versions use Anchore's correction of NVD's data: Added CPE configurations because not yet analyzed by NVD.