CVE-2026-113469

Improper Signature Verification of Active Update Files

HIGH

7.5

CVSS Score

Published: October 20, 2026 at 08:29 AM UTC

Updated: October 20, 2026 at 07:35 PM UTC

1 product affected across 1 vendorNetwork Security

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Severity

HIGH7.5

Exploit prediction

EPSS 0.2%

SSVC

No known exploit

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.

Affected

Our own answer: ranges merged, affected separated from platform-only, with confidence and review flags.

Network Security · Stormshield

90%

4.3.0 4.8.0 5.0.0 5.1.0

Vendor states this is fixed in 4.8.20 LTSB (unaffected)

Vendor states this is fixed in 5.0.10 (unaffected)

Vendor states this is fixed in 5.1.4 EA (unaffected)

Remediation

No guide yet

No remediation guidance has been written for this CVE yet, and no fixed version or vendor advisory is recorded against it.

References (1)

Source: cverecord

https://advisories.stormshield.eu/2026-032/

SSVC — Action Prioritization

SSVCNo known exploitNot automatableTotal impact

SSVC signals action urgency (what to patch first), separate from CVSS which measures severity.

CVSS

7.5HIGHairbus

Attack Vector: ADJACENT_NETWORK
Complexity: HIGH
Privileges: NONE
User Interaction: NONE
Scope: UNCHANGED
Confidentiality: HIGH
Integrity: HIGH
Availability: HIGH

Vector?

Quick Info

StatusDEFERRED

CWE

CWE-287

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