CVE-2026-116011highCWE-674

CVE-2026-116011: high-severity vulnerability in CrowCpp Crow

Crow before 1.3.4 Denial of Service via Deeply Nested JSON in crow::json::load()

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41Vexday Risk Score

No sign of exploitation. It has a public proof of concept.

ssvc Attendcvss 8.7epss 0.7%
from disclosure to weaponsame day
Published on NVDOct 24
1st PoCOct 24
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:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N
Affected products
CrowCpp · Crow
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