CVE-2026-2491Disclosure

LOWCVSS 6.3 · MEDIUM

Signal is active with 1 mentions in latest observed window

Immediate actions

Track advisory updates for patch or workaround availability

Recommended action window: Monitor and triage in normal cycle

NVD 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.

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0.0/ 10 priority

Sources & remediation

Other references

Weakness type (CWE)

CWE-306

Priority

LOW

Exploitation

NONE

PoC

NONE

Patch

NONE

Momentum

NONE

Threat summary

1 mentions across 1 observed day

What's happening

Technical details provided in 1 signal
Disclosure: 1 classified signal
1 total mentions across 1 day

Deep dive

Activity timeline1 mentions / 1d

Signal classification1 categories

Disclosure

1100.0%

Referenced assets1 URL

By indicator

https://www.cve.org/CVERecord?id=CVE-2026-2491

Full discourse1 post

CVE@CVEnew209d
Disclosure
CVE-2026-2491 Socomec DIRIS A-40 HTTP API Authentication Bypass Vulnerability. This vulnerability allows network-adjacent attackers to bypass authentication on affected installations… https://www.cve.org/CVERecord?id=CVE-2026-2491
Post summary
The text announces CVE‑2026‑2491, an HTTP API authentication bypass vulnerability in Socomec DIRIS A‑40 that allows network‑adjacent attackers to bypass authentication, with no proof of concept, exploit, or patch information provided.
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