AdonisJS HTTP Server is vulnerable to reflected XSS through its exception handler

MITRE NVD CVE.ORG JSON API

Summary

CVECVE-2026-61526
StatePUBLISHED
AssignerGitHub_M
Source PriorityCVE Program / NVD first with legacy fallback
Published2026-07-30 21:18:12 UTC
Updated2026-07-31 20:16:52 UTC
DescriptionAdonisJS HTTP Server is a package for handling HTTP requests in the AdonisJS framework. In versions 8.0.0-next.0 through 8.2.0 and 9.0.0 through 9.0.2, the error.message is interpolated into the default HTML exception response without escaping, allowing a crafted missing-route URL to execute attacker-controlled JavaScript when a victim opens it and no custom status page or JSON response handles the error. When debug mode is disabled and no custom status page handles the error, the default HTML renderer interpolates error.message directly into an HTML response. This issue is fixed in versions 8.2.1 and 9.1.0.

Risk And Classification

Primary CVSS: v3.1 6.1 MEDIUM from [email protected]

CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N

EPSS: 0.001940000 probability, percentile 0.093000000 (date 2026-08-04)

Problem Types: CWE-79 | CWE-79 CWE-79: Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')

VersionSourceTypeScoreSeverityVector
3.1[email protected]Secondary6.1MEDIUMCVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N
3.1CNADECLARED6.1MEDIUMCVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N

CVSS v3.1 Breakdown

Attack Vector
Network
Attack Complexity
Low
Privileges Required
None
User Interaction
Required
Scope
Changed
Confidentiality
Low
Integrity
Low
Availability
None

CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N

Vendor Declared Affected Products

SourceVendorProductVersionPlatforms
CNA Adonisjs Http-server affected >= 8.0.0-next.0, < 8.2.1 Not specified
CNA Adonisjs Http-server affected >= 9.0.0, < 9.1.0 Not specified

References

ReferenceSourceLinkTags
github.com/adonisjs/http-server/security/advisories/GHSA-cwm9-gfhc-46f6 [email protected] github.com
github.com/adonisjs/http-server/commit/5d7465d599753b1fce8a36da18955f2c2... [email protected] github.com
github.com/adonisjs/http-server/releases/tag/v9.1.0 [email protected] github.com
github.com/adonisjs/http-server/releases/tag/v8.2.1 [email protected] github.com
github.com/adonisjs/http-server/commit/71a0a8e375c375e3588ba44ef68b0ef5a... [email protected] github.com
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