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  4. CVE 2026 105671 zenitel connect login allows username enumeration
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Back to active CVEs
Medium · CVSS 6.9CVE-2026-105671

Zenitel Connect login allows username enumeration via verbose error responsesCVE-2026-105671

Answer in brief

CVE-2026-105671 records a Medium severity (CVSS 6.9) vulnerability in Zenitel Connect login allows username enumeration via verbose error responses. The current sources do not mark it as known exploited. The current feed maps Zenitel/Zenitel Connect (generic). Check affected ranges and fixed versions before updating.

Analysis pending evidence review

HOL Guard separates source facts from reviewed analysis. See the methodology.

Published Nov 13, 2026Updated Nov 13, 2026Source checked Nov 13, 2026First seen by HOL Nov 13, 2026Material review Nov 13, 2026
Upstream Advisory

Key facts

Risk
Medium · CVSS 6.9
Exploitation
Not marked as known exploited
Affected software
1 mapped package or product
Fix availability
Available

Why this deserves its current priority

CVSS is 6.9. The current sources do not mark it as known exploited. Treat this as a source-backed prioritization signal, not a statement about your environment.

Analysis status

Analysis pending evidence review

Factual feed record only; HOL analysis is not approved for indexing. Read the methodology.

Affected scope and exposure questions

The current feed maps Zenitel/Zenitel Connect (generic). Check affected ranges and fixed versions before updating.

Mapped affected packages and fixed versions
PackageAffected rangeFixed version
Zenitel/Zenitel Connectgeneric>=0 <1.11.01.11.0

Recommended response

  1. 1Check inventory. Check lockfiles and deployed manifests for Zenitel/Zenitel Connect.
  2. 2Review the reported fix. Source-reported solution: Upgrade to version 1.11.0

Evidence timeline and material changes

  1. Published upstream

    Nov 13, 2026

    Evidence: source:cvelist:source_dates:source-dates:record

  2. Source modified

    Nov 13, 2026

    Evidence: source:cvelist:source_dates:source-dates:record

  3. First seen by HOL

    Nov 13, 2026

Sources and claim methodology

  • Source referencezenitel.com
Upstream source description

The login flow in Zenitel Connect before 1.11.0 returns different error responses depending on whether a submitted username exists, which allows remote attackers to enumerate valid user accounts via crafted login requests.

Quoted source text, attributed separately from HOL analysis.

Related CVEs

  • Zenitel Connect missing lockout and rate limiting on the WAMP-CRA authentication channelSame zenitel/zenitel connect package
  • Zenitel Connect web interface serves production JavaScript source maps without authenticationSame zenitel/zenitel connect package
  • Zenitel Connect login allows account-lockout denial of serviceSame zenitel/zenitel connect package
  • Zenitel Connect pREST API adopts arbitrary PostgreSQL role from unvalidated JWT sub claimSame zenitel/zenitel connect package
  • Zenitel Connect host applies rsyslog configuration written to a volume shared with the hiatus containerSame zenitel/zenitel connect package
  • Zenitel Connect OS command injection in hiatus container via unsanitized filename in audio messages APISame zenitel/zenitel connect package

Record context

Vulnerability class
Vulnerability
EPSS
Not reported
CWE IDs
CWE-204
Source
CVE List V5
Source checked
Nov 13, 2026
References
1 linked source
Open source record