An issue in the JsonSanitizer.sanitize() component of OWASP json-sanitizer v1.2.3 allows attackers to cause a Denial of Service (DoS) via a crafted… (CVE-2026-37736)
Description
A vulnerability in the JsonSanitizer.sanitize() component of OWASP json-sanitizer version 1.2.3 allows attackers to cause a Denial of Service (DoS) by providing crafted input. This issue does not affect confidentiality or integrity but impacts availability by causing service disruption.
CVSS v3.1
Score 7.5high
Weaknesses
AI-Powered Analysis
Machine-generated threat intelligence
Technical Analysis
The JsonSanitizer.sanitize() function in OWASP json-sanitizer v1.2.3 contains a flaw that can be triggered by specially crafted input, leading to a Denial of Service condition. The vulnerability is identified as CWE-770, which relates to allocation of resources without limits or throttling, resulting in resource exhaustion. The CVSS 3.1 base score is 7.5 (high severity), with attack vector network, low attack complexity, no privileges required, no user interaction, and impact limited to availability.
Potential Impact
Successful exploitation results in denial of service, causing the affected application or service to become unavailable. There is no impact on confidentiality or integrity.
Mitigation Recommendations
Patch status is not yet confirmed — check the vendor advisory for current remediation guidance. No official fix or patch links are provided at this time. Until a patch is available, consider implementing input validation or rate limiting to mitigate potential DoS attempts.
Technical Details
- Gcve Source
- db.gcve.eu
- Osv Id
- GHSA-q8q7-334r-fh84
- Osv Schema Version
- 1.4.0
- Aliases
- ["CVE-2026-37736"]
- Database Specific Severity
- HIGH
- Cvss Version
- 3.1
Threat ID: 6a92f7fcacd9273b49e8af1c
Added to database: 08/29/2026, 15:17:16 UTC
Last enriched: 09/08/2026, 01:52:11 UTC
Last updated: 10/12/2026, 06:48:16 UTC
Views: 27
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