CVE-2026-116011EUVD-2026-109269GHSA-7X84-XHP8-6CQJGHSA-88WJ-6C62-8F7X
Crow before 1.3.4 Denial of Service via Deeply Nested JSON in crow::json::load()
- Published
- Last modified
- Where the record stands: published, rejected by its publisher, or superseded by another id.What do these mean? →
- published
- Whether CISA lists it in its Known Exploited Vulnerabilities catalog: proof that attackers are using it.What do these mean? →
- Not listed in CISA KEV
- Fix
- Fixed in 1.3.4
- Whether working attack code is public (Exploit-DB, Metasploit, Nuclei or GitHub). Public code makes attacks easier.What do these mean? →
- None on Exploit-DB, Metasploit or GitHub
CISA's decision points: whether it is exploited, whether attacks can be automated, and how much control an attacker gets. Assessed (SSVC 2.0.3).What do these mean? →
- Exploitation: none
- Automatable: yes
- Technical impact: partial
Summary
Crow, a C++ web framework, is affected through its JSON parsing function crow::json::load(). Remote attackers can send deeply nested JSON to crash the server process, causing a denial of service that disconnects all users.
Summarized by anthropic/claude-haiku-5.5. Verify details against the original sources.
Read the original 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.
Timeline
- CVE published
- First seen by cve.now
- CISA SSVC assessment
Exploitation: none · Automatable: yes · Technical impact: partial
- Record last updated
Affected versions
- CrowCpp Crow
fixed in 1.3.4