CVE-2026-116011

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 v3 7.5 HIGH

7.5^/10

CVSS v3 : HIGH

Vector :

Exploitability : 3.9 / Impact : 3.6

Attack Vector NETWORK

Attack Complexity LOW

Privileges Required NONE

User Interaction NONE

Confidentiality Impact NONE

Integrity Impact NONE

Availability Impact HIGH

Scope UNCHANGED

References

Link	Resource
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-deeply-nested-json-in-crow-json-load

Configurations

No configuration.

History

24 Oct 2026, 12:16

Type	Values Removed	Values Added
New CVE

Information

Published : 2026-10-24 12:16

Updated : 2026-10-26 18:39

NVD link : CVE-2026-116011

Mitre link : CVE-2026-116011

CVE.ORG link : CVE-2026-116011

JSON object : View

Products Affected

No product.

CWE

CWE-674

Uncontrolled Recursion

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