What is CVE-2026-67215?

CVE-2026-67215 is a high-severity vulnerability in Davegamble Cjson, classified under Uncontrolled Recursion. CVSS score: 7.5/10. Published 2026-07-29.

How severe is CVE-2026-67215?

High severity. CVSS v3 base score is 7.5 out of 10.

Vulnerability in Davegamble Cjson

CVE-2026-67215

cJSON through 1.7.19 is vulnerable to uncontrolled recursion leading to stack exhaustion when an untrusted RFC 6902 JSON Patch is applied via cJSONUtils_ApplyPatches() or cJSONUtils_ApplyPatchesCaseSensitive(). A patch containing add and c…

CVSS v3 metric

CVSS v3 base score 7.5 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H.

Affected products

Davegamble Cjson — versions 0

Weakness classification (CWE)

CWE-674 — Uncontrolled Recursion

References

disclosure@vulncheck.com (exploit, third-party-advisory)
disclosure@vulncheck.com (technical-description)
disclosure@vulncheck.com (technical-description)
disclosure@vulncheck.com (third-party-advisory)

Frequently asked questions

What is CVE-2026-67215?: CVE-2026-67215 is a high-severity vulnerability in Davegamble Cjson, classified under Uncontrolled Recursion. CVSS score: 7.5/10. Published 2026-07-29.
How severe is CVE-2026-67215?: High severity. CVSS v3 base score is 7.5 out of 10.