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Security Notice - Statement on Remote Code Execution Vulnerability in Fastjson

  • SA No:huawei-sn-SoRCEViF-31370268
  • Initial Release Date:2026-07-22
  • Last Release Date:2026-07-28

Huawei has recently realized the Remote Code Execution (RCE) vulnerability in Fastjson. A remote attacker can exploit this vulnerability by sending crafted JSON data. Successful exploitation of this vulnerability may lead to remote code execution.

If you have deployed Huawei Next-Generation Firewall (NGFW) or data center firewall products, you can upgrade the IPS signature database to the version (20260723**) released after July 23, 2026 to detect and defend against network-layer attacks.

(Vulnerability ID:HWPSIRT-2026-17473)

This vulnerability has been assigned a Common Vulnerabilities and Exposures (CVE) ID:CVE-2026-16723

For products that have released workarounds or software updates to fix this vulnerability, Huawei will release and update the Security Advisory (SA) at: https://securitybulletin.huawei.com/enterprise/en/sa/detail/huawei-sa-FRViSHP-03027879

HWPSIRT-2026-17473:

The vulnerability was publicly disclosed.

2026-07-22 V1.0 Initial Release;

2026-07-24 V1.1 Updated "Summary";

2026-07-24 V1.2 Updated "Title" and "Summary";

Huawei adheres to protecting the ultimate interests of users with best efforts and the principle of responsible disclosure and deal with product security issues through our response mechanism.

To enjoy Huawei PSIRT services and obtain Huawei product vulnerability information, please visit http://www.huawei.com/en/psirt.

To report a security vulnerability in Huawei products and solutions, please send it to PSIRT@huawei.com. For details, please visit http://www.huawei.com/en/psirt/report-vulnerabilities.

This document is provided on an "AS IS" basis and does not imply any kind of guarantee or warranty, either express or implied, including the warranties of merchantability or fitness for a particular purpose. In no event shall Huawei or any of its directly or indirectly controlled subsidiaries or its suppliers be liable for any damages whatsoever including direct, indirect, incidental, consequential, loss of business profits or special damages. Your use of the document, by whatsoever means, will be totally at your own risk. Huawei is entitled to amend or update this document from time to time.