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.
Published: 2026-10-24
Score: 8.7 High
EPSS: < 1% Very Low
KEV: No
Impact: n/a
Action: n/a
AI Analysis

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Remediation

No vendor fix or workaround currently provided.

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Tracking

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Advisories

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History

Mon, 26 Oct 2026 18:30:00 +0000

Type Values Removed Values Added
Metrics ssvc

{'options': {'Automatable': 'yes', 'Exploitation': 'none', 'Technical Impact': 'partial'}, 'version': '2.0.3'}


Sat, 24 Oct 2026 11:45:00 +0000

Type Values Removed Values Added
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.
Title Crow before 1.3.4 Denial of Service via Deeply Nested JSON in crow::json::load()
First Time appeared Crowcpp
Crowcpp crow
Weaknesses CWE-674
CPEs cpe:2.3:a:crowcpp:crow:*:*:*:*:*:*:*:*
Vendors & Products Crowcpp
Crowcpp crow
References
Metrics cvssV3_1

{'score': 7.5, 'vector': 'CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H'}

cvssV4_0

{'score': 8.7, 'vector': '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'}


cve-icon MITRE

Status: PUBLISHED

Assigner: VulnCheck

Published:

Updated: 2026-10-26T17:40:34.096Z

Reserved: 2026-10-24T11:23:54.190Z

Link: CVE-2026-116011

cve-icon Vulnrichment

Updated: 2026-10-26T15:44:05.839Z

cve-icon NVD

Status : Awaiting Analysis

Published: 2026-10-24T12:16:57.070

Modified: 2026-10-26T18:39:42.503

Link: CVE-2026-116011

cve-icon Redhat

No data.

cve-icon OpenCVE Enrichment

Updated: 2026-10-24T13:45:07Z

Weaknesses