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CVE-2026-113469— Improper Signature Verification of Active Update Files

Quick assessment

Affected
Stormshield Stormshield Network Security
Exploitation
No confirmed in-the-wild exploitation; assess based on exposure
Recommended action
Check the vendor advisory and references for a fixed version. If immediate upgrade is impossible, restrict exposure and increase monitoring.

在 SNS（安全网络服务）的动态数据文件签名检查过程中发现存在缺陷。 签名验证例程中存在逻辑错误，导致在自动更新（Autoupdate）过程中接受未经认证的动态数据更新。

CVSS 7.5 · High

Possible ATT&CK Techniques 1 AI

T1190 · Exploit Public-Facing Application
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I. Basic Information for CVE-2026-113469

Vulnerability Information
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Vulnerability Title
Improper Signature Verification of Active Update Files
Source: CVE Program / CVE List V5
Vulnerability Description
A failure has been identified in the SNS during dynamic data files signature check. A logic error in the signature verification routine resulting in acceptance of unauthenticated dynamic data update during Autoupdate routine.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:A/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H
Source: CVE Program / CVE List V5
Vulnerability Type
认证机制不恰当
Source: CVE Program / CVE List V5

Affected Products

Vendor Product Affected Versions CPE Subscribe
Stormshield Stormshield Network Security 4.3.0 ~ 4.3.44 -

II. Public POCs for CVE-2026-113469

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III. Intelligence Information for CVE-2026-113469

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Other References for CVE-2026-113469 (1)

Same Patch Batch · Stormshield · 2026-10-20 · 3 CVEs total

CVE-2026-111090 7.8 HIGH Improper Signature Verification of Firmware Update Files
CVE-2026-113465 6.6 MEDIUM Possible DOM XSS in SNS Web Administration Portal

IV. Related Vulnerabilities

Same product: Stormshield Network Security
Same vendor: Stormshield
Same weakness: CWE-287

V. Comments for CVE-2026-113469

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