CVE-2026-82803

A vulnerability has been found in armink struct2json 1.0. This affects the function S2J_STRUCT_GET_string_ELEMENT in the library struct2json/inc/s2jdef.h of the component JSON Deserialization. The manipulation of the argument valuestring leads to null pointer dereference. The attack may be initiated remotely. The exploit has been disclosed to the public and may be used. The vendor was contacted early about this disclosure but did not respond in any way.

• CWE-404
• CWE-476

• https://github.com/fa1c4/security-advisories/tree/main/struct2json
• https://github.com/fa1c4/security-advisories/tree/main/struct2json/PoC
• https://vuldb.com/cve/CVE-2026-82803
• https://vuldb.com/submit/858192
• https://vuldb.com/vuln/397224
• https://vuldb.com/vuln/397224/cti

Published

Aug 31, 2026

Last Modified

Sep 2, 2026

Status

Deferred

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