Crow before 1.3.4 Denial of Service via Deeply Nested JSON in crow::json::load()
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.
CVE-2026-116011
Primary source · Revision 1
Imported from structured advisory data. Source references identify upstream records or fields; verify affected versions and your deployed configuration.
Security context
Source reference: cve:CVE-2026-116011
Crow
Source reference: /containers/cna/affected/0/product
- Affected versions
- Not stated in this record
- Fixed versions
- Not stated in this record
- Prerequisites
- Not stated in this record
Structured affected-version data
Original package identities and version rules from this source.
[
{
"repo": "https://github.com/CrowCpp/Crow",
"vendor": "CrowCpp",
"product": "Crow",
"versions": [
{
"status": "affected",
"version": "0",
"lessThan": "1.3.4",
"versionType": "semver"
}
],
"packageURL": "pkg:github/crowcpp/crow",
"defaultStatus": "unaffected"
}
]- Related CVEs
- CVE-2026-116011
Source reference:
/cveMetadata/cveId
Publisher severity
high
Source reference: /containers/cna/metrics
- Event
- #55814 · Revision 1
- Added to Heist Feed
- Publisher date