CVE-2026-116011 Crow - Denial of Service

Crow before 1.3.4 contains an uncontrolled recursion vulnerability in crow::json::load() caused by deeply nested JSON, letting remote unauthenticated attackers cause denial of service by crashing the server.

CVSS base score 7.5 /10
High
CISA KEV
Not listed
Public exploit
Proof of concept available
Authentication
Not required
EPSS
0.68% chance of exploitation in 30 days
View the NVD record ↗

Details

Type
Denial of Service
Impact
Denial Of Service
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Published
24 October 2026
Updated
26 October 2026
Weakness
CWE-674

Vendor fix

Upgrade to version 1.3.4 or later.

Patching closes this CVE. It does not tell you which of your systems run the affected version, or what else is exposed alongside them.

References

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