CVE-2026-50176Network attack vector

Unauthenticated service interruption via unlimited authentication requests

Published Jun 25, 2026 · Updated Jun 25, 2026

Improper authentication attempt restriction in EVoke Systems EVoke CSMS all versions allows remote attackers to interrupt service via the WebSocket API. The interface accepts an unrestricted number of authentication requests without rate limiting, enabling request floods and repeated credential guesses. No authentication or user interaction is required; the record does not identify what data or privileges follow a successful guess.

CVSS severity7.5
High
EPSS probability0.71%
Next 30 days · Sep 16, 2026
Known exploitationUnconfirmed
Based on sourced intelligence
Hinoki checkNot available
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Summary

What happened

Improper authentication attempt restriction in EVoke Systems EVoke CSMS all versions allows remote attackers to interrupt service via the WebSocket API. The interface accepts an unrestricted number of authentication requests without rate limiting, enabling request floods and repeated credential guesses. No authentication or user interaction is required; the record does not identify what data or privileges follow a successful guess.

The record

CVE
CVE-2026-50176
Published
Jun 25, 2026
Updated
Jun 25, 2026
Vendor
EVoke Systems
Product
EVoke CSMS
Classifications
CWE-307, T1110, T1499.003
Attack vector
network
Privileges
unauthenticated

Timeline

How it unfolded

  1. Jun 25, 2026CVE publishedPublication date reported by the CVE source.
  2. Jun 25, 2026Record updatedLatest update available in the CVE record.

Exploitability

Present is not the same as exploitable

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Is a vulnerable build present?

Compare these published version ranges with your installed build and any vendor patches.

  1. Affected versionversion=All versions

What conditions does exploitation require?

Attack vectornetwork
Required privilegesunauthenticated

What is affected?

EVoke Systems · EVoke CSMSversion=All versions

Published CVSS scores

8.7ICS-CERTCVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N
7.5ICS-CERTCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

CVSS describes severity. EPSS estimates exploitation probability.

Attacks

What attackers are doing with it

Daily unique IPs observed by Shadowserver honeypots for known exploited vulnerabilities (KEVs). Missing observations do not establish an absence of attacks.

Daily unique IPsNo honeypot observations are available for this CVE in the selected window.

No observations available

Sep 10, 2026Sep 16, 2026
Latest reporting daySep 16, 2026
Latest daily unique IPsUnavailable
Prior 30-day averageUnavailable
SourceShadowserver honeypots (KEV)
Vectornetwork
Privilegesunauthenticated
Known exploitationUnconfirmed
Public exploitUnconfirmed

Weakness, pattern, technique

CWE-307Improper Restriction of Excessive Authentication Attempts
T1110Brute Force
T1499.003Application Exhaustion Flood

Public exploit references

No public exploit references are available in this record.

Labels summarize the accepted research assessment. They do not indicate a test against your environment.

Technologies

Your stack

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Your stack

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