CVE-2026-16554: cjson 1.7.19

CVE-2026-16554. CVSS 3.1 base score 7.8 (HIGH, NVD). EPSS 0.00291 (percentile 0.20636), scored 24-Oct-2026.

Affected technology

cjson · 1.7.19
davegamble

Component: cJSON.c
Function: in

Attack conditions (Vendor/CNA, CVSS 4.0): Local · No privileges required · No user interaction required

What an attacker can do

The source reports that an attacker could run code remotely and disrupt service and access information they should not be able to access under the conditions described by the source. Vendor/CNA’s CVSS 4.0 assessment (base score 5.1/10) rates confidentiality and integrity impact as none; availability impact as low.

Published 24-Oct-2026 15:08 UTC

CWE: CWE-190
CCR priority: 31.3 /100 (P4)
CVSS 3.1: 7.8 /10 · CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H · NVD
EPSS: 0.00291 · percentile 0.20636 · 2026-10-24
KEV: no

Provenance

FIRST EPSS daily exploit-probability · Source record · observed 2026-10-24 15:09:16.138216+00:00 UTC
GitHub Advisory Database · Source record · observed 2026-10-24 16:17:22.316973+00:00 UTC
NVD CVE API 2.0 · Source record · observed 2026-10-24 15:07:27.951960+00:00 UTC

Stable permalink: https://cybercodered.org/item/cve-cve-2026-16554.html