Vulnerability Description
Crow before 1.3.4 contains an uncontrolled recursion vulnerability in crow::json::load() that allows remote unauthenticated attackers to crash the server by sending deeply nested JSON. Attackers can send a request body with thousands of nested objects to exhaust the worker thread stack, terminating the process and dropping all connections.
CVSS Score
HIGH
Related Weaknesses (CWE)
References
- https://github.com/CrowCpp/Crow/blob/v1.3.3/include/crow/json.h#L878
- https://github.com/CrowCpp/Crow/commit/6956b7ca93c5df22f5aaccd670e5aa000c0d882b
- https://github.com/CrowCpp/Crow/releases/tag/v1.3.4
- https://github.com/CrowCpp/Crow/security/advisories/GHSA-7x84-xhp8-6cqj
- https://www.vulncheck.com/advisories/crow-before-1.3.4-denial-of-service-via-dee
FAQ
What is CVE-2026-116011?
CVE-2026-116011 is a vulnerability with a CVSS score of 7.5 (HIGH). Crow before 1.3.4 contains an uncontrolled recursion vulnerability in crow::json::load() that allows remote unauthenticated attackers to crash the server by sending deeply nested JSON. Attackers can s...
How severe is CVE-2026-116011?
CVE-2026-116011 has been rated HIGH with a CVSS base score of 7.5/10. Review the CVSS metrics above for detailed severity breakdown.
Is there a patch for CVE-2026-116011?
Check the references section above for vendor advisories and patch information. Review vendor security bulletins for remediation guidance.