Vulnerability DatabaseCVE-2026-116011
Mend.io Vulnerability Database
The largest open source vulnerability database
What is a Vulnerability ID?
New vulnerability? Tell us about it!
CVE-2026-116011
Published:October 24, 2026
Updated:October 27, 2026
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.
Affected Packages
https://github.com/CrowCpp/Crow.git (GITHUB):
Affected version(s) >=v1.0 <v1.3.4
Fix Suggestion:
Update to version v1.3.4
Related Resources (6)
https://github.com/CrowCpp/Crow/security/advisories/GHSA-7x84-xhp8-6cqj
https://github.com/CrowCpp/Crow/blob/v1.3.3/include/crow/json.h#L878
https://www.vulncheck.com/advisories/crow-before-1.3.4-denial-of-service-via-deeply-nested-json-in-crow-json-load
https://github.com/CrowCpp/Crow/releases/tag/v1.3.4
https://nvd.nist.gov/vuln/detail/CVE-2026-116011
https://github.com/CrowCpp/Crow/commit/6956b7ca93c5df22f5aaccd670e5aa000c0d882b
Do you need more information?
Contact Us
CVSS v4
Base Score:
8.7
Attack Vector
NETWORK
Attack Complexity
LOW
Attack Requirements
NONE
Privileges Required
NONE
User Interaction
NONE
Vulnerable System Confidentiality
NONE
Vulnerable System Integrity
NONE
Vulnerable System Availability
HIGH
Subsequent System Confidentiality
NONE
Subsequent System Integrity
NONE
Subsequent System Availability
NONE
CVSS v3
Base Score:
7.5
Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality
NONE
Integrity
NONE
Availability
HIGH
Weakness Type (CWE)
Uncontrolled Recursion
CWE-674
EPSS
Base Score:
0.68