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CVE-2026-116011high8.7

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

Impact

Crow before 1.3.4 has an uncontrolled recursion vulnerability in crow::json::load() that allows remote unauthenticated attackers to crash the server with deeply nested JSON. The weakness can exhaust the worker thread stack.

Summarized by @cf/meta/llama-3.3-70b-instruct-fp8-fast. Verify details against the original sources.

Affected packages

This source has no supported package-version data for matching. You can read the advisory here, but this record alone cannot power a dependency check.

Affected products

Vendor version evidence. Product records are separate from automatic dependency matching.

CrowCpp · VulnCheck

Crow

1 range
VulnCheck version evidence

Package identity

pkg:github/crowcpp/crow

Identity supplied by VulnCheck. Version matching requires compatible range evidence.

Compare with this publisher’s ranges. This does not inspect your installation.

affected

0 → before 1.3.4

semver versions

unaffected

unknown

Other versions: unaffected

Original source 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.

Inside the record

Evidence available

Package identity
Version evidence
Remediation guidance · not supplied
Weakness classification
Additional publishers

Describes the evidence in this view, not whether the product is safe.

Original records

CVE-2026-116011

View the latest unmodified CVE JSON from the official source. It may be newer than this imported page.

cve.new JSON →

Underlying weaknesses

The source’s classification of what caused the vulnerability.

CWE-674 ↗

Uncontrolled Recursion

VulnCheck

Related →

Environment requirements

These conditions apply together as specified by the publisher. A matching product name alone does not establish exposure.

VulnCheck · platform conditions

Any condition may hold

Vulnerable product

cpe:2.3:a:crowcpp:crow:*:*:*:*:*:*:*:*

Before: 1.3.4

Original applicability statements
[
  {
    "nodes": [
      {
        "operator": "OR",
        "negate": false,
        "cpeMatch": [
          {
            "vulnerable": true,
            "criteria": "cpe:2.3:a:crowcpp:crow:*:*:*:*:*:*:*:*",
            "versionEndExcluding": "1.3.4"
          }
        ]
      }
    ]
  }
]
Contributing organizations · 2
VulnCheck

Assigning organization

2026-10-24
CISA-ADP

Additional data publisher

2026-10-26

What changed

Follow changes
No substantive changes have been recorded here yet. History starts when cve.new observes a change after tracking is enabled; earlier edits are not reconstructed.

Large field values are marked as truncated previews. Original source snapshots remain retained.

References

5 sources
github.com/CrowCpp/Crow/security/advisories/GHSA-7x84-xhp8-6cqj
vendor-advisoryVulnCheck
github.com/CrowCpp/Crow/commit/6956b7ca93c5df22f5aaccd670e5aa000c0d882b
patchVulnCheck
github.com/CrowCpp/Crow/releases/tag/v1.3.4
release-notesVulnCheck
github.com/CrowCpp/Crow/blob/v1.3.3/include/crow/json.h
technical-descriptionVulnCheck
www.vulncheck.com/advisories/crow-before-1.3.4-denial-of-service-via-deeply-nested-json-in-crow-json-load
third-party-advisoryVulnCheck