CVE-2026-2491

Socomec DIRIS A-40 HTTP API Authentication Bypass Vulnerability

MEDIUM
6.3
CVSS Score
Published: March 13, 2026 at 08:43 PM UTC
Updated: June 17, 2026 at 10:31 AM UTC
1 product affected across 1 vendorDIRIS A-40

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Severity
MEDIUM6.3
Exploit prediction
EPSS 0.5%
SSVC
No known exploit

Description

Socomec DIRIS A-40 HTTP API Authentication Bypass Vulnerability. This vulnerability allows network-adjacent attackers to bypass authentication on affected installations of Socomec DIRIS A-40 power monitoring devices. Authentication is not required to exploit this vulnerability. The specific flaw exists within the web API implementation, which listens on TCP port 80 by default. The issue results from the lack of authentication prior to allowing access to functionality. An attacker can leverage this vulnerability to bypass authentication on the system. Was ZDI-CAN-23993.

Affected

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

Remediation

No guide yet

No remediation guidance has been written for this CVE yet. What the record does show:

SSVC — Action Prioritization

SSVCNo known exploitNot automatablePartial impact

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

CVSS

6.3MEDIUMzdi
Vector?

Quick Info

StatusAWAITING ANALYSIS
CWE
CWE-306

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