CVE-2026-46357: CWE-20: Improper Input Validation in haxtheweb haxcms-nodejs
HAX CMS helps manage microsite universe with PHP or NodeJs backends. Prior to version 26.0.0, the HAX CMS NodeJS application crashes when an authenticated attacker sends a specially crafted site creation request to the createSite endpoint. A single request is sufficient to take the entire application offline, requiring a manual server restart to restore service. Version 26.0.0 fixes the issue.
AI Analysis
Technical Summary
CVE-2026-46357 is an improper input validation vulnerability (CWE-20) in the haxcms-nodejs application before version 26.0.0. An authenticated attacker can send a maliciously crafted request to the createSite endpoint, causing the application to crash and become unavailable until manually restarted. This denial-of-service condition impacts availability but does not affect confidentiality or integrity. The vulnerability is resolved in version 26.0.0.
Potential Impact
The vulnerability results in a denial-of-service condition by crashing the haxcms-nodejs application, causing loss of availability. No impact on confidentiality or integrity is reported. Exploitation requires authentication and a single request is sufficient to take the service offline until manual intervention occurs.
Mitigation Recommendations
Upgrade haxcms-nodejs to version 26.0.0 or later, where this vulnerability is fixed. No other official remediation or temporary fixes are documented. Until upgrading, restrict access to authenticated users and monitor for suspicious site creation requests.
CVE-2026-46357: CWE-20: Improper Input Validation in haxtheweb haxcms-nodejs
Description
HAX CMS helps manage microsite universe with PHP or NodeJs backends. Prior to version 26.0.0, the HAX CMS NodeJS application crashes when an authenticated attacker sends a specially crafted site creation request to the createSite endpoint. A single request is sufficient to take the entire application offline, requiring a manual server restart to restore service. Version 26.0.0 fixes the issue.
CVSS v3.1
Score 6.5medium
Affected software
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Weaknesses
AI-Powered Analysis
Machine-generated threat intelligence
Technical Analysis
CVE-2026-46357 is an improper input validation vulnerability (CWE-20) in the haxcms-nodejs application before version 26.0.0. An authenticated attacker can send a maliciously crafted request to the createSite endpoint, causing the application to crash and become unavailable until manually restarted. This denial-of-service condition impacts availability but does not affect confidentiality or integrity. The vulnerability is resolved in version 26.0.0.
Potential Impact
The vulnerability results in a denial-of-service condition by crashing the haxcms-nodejs application, causing loss of availability. No impact on confidentiality or integrity is reported. Exploitation requires authentication and a single request is sufficient to take the service offline until manual intervention occurs.
Mitigation Recommendations
Upgrade haxcms-nodejs to version 26.0.0 or later, where this vulnerability is fixed. No other official remediation or temporary fixes are documented. Until upgrading, restrict access to authenticated users and monitor for suspicious site creation requests.
Technical Details
- Data Version
- 5.2
- Assigner Short Name
- GitHub_M
- Date Reserved
- 2026-05-13T18:37:30.991Z
- Cvss Version
- 3.1
- State
- PUBLISHED
- Remediation Level
- null
Threat ID: 6a232492e29bf47b50b16f5e
Added to database: 06/05/2026, 19:33:38 UTC
Last enriched: 06/13/2026, 09:33:38 UTC
Last updated: 07/31/2026, 19:22:59 UTC
Views: 59
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