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  4. CVE 2026 76854 netcore nr255 v 15130703 sensitive information
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Back to active CVEs
High · CVSS 7.1CVE-2026-76854

Netcore NR255-V 1.5.130703 Sensitive Information Disclosure via l7_web_auth_user_show.cgiCVE-2026-76854

Answer in brief

CVE-2026-76854 records a High severity (CVSS 7.1) vulnerability in Netcore NR255-V 1.5.130703 Sensitive Information Disclosure via l7_web_auth_user_show.cgi. The current sources do not mark it as known exploited. The current feed maps Netcore/NR255-V (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 Sep 15, 2026Updated Sep 17, 2026Source checked Oct 31, 2026First seen by HOL Sep 15, 2026Material review Sep 17, 2026
Upstream Advisory

Key facts

Risk
High · CVSS 7.1
Exploitation
Not marked as known exploited
Affected software
1 mapped package or product
Fix availability
Not reported

Why this deserves its current priority

CVSS is 7.1. 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 Netcore/NR255-V (generic). Check affected ranges and fixed versions before updating.

Mapped affected packages and fixed versions
PackageAffected rangeFixed version
Netcore/NR255-Vgeneric1.5.130703Not reported

Recommended response

  1. 1Check inventory. Check lockfiles and deployed manifests for Netcore/NR255-V.
  2. 2Review the reported fix. Monitor this advisory for an available fix and review any installs of the affected package.

Evidence timeline and material changes

  1. Published upstream

    Sep 15, 2026

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

  2. Source modified

    Sep 17, 2026

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

  3. First seen by HOL

    Sep 15, 2026

Sources and claim methodology

  • GitHub security advisorygithub.com
  • Source referencevulncheck.com
Upstream source description

Netcore NR255-V version 1.5.130703 contains a sensitive information disclosure vulnerability in l7_web_auth_user_show.cgi related to captive-portal credential handling. Attackers can query this component to obtain captive-portal user credentials, compromising confidentiality of authenticated network access.

Quoted source text, attributed separately from HOL analysis.

Record context

Vulnerability class
Secret Exfiltration
EPSS
Not reported
CWE IDs
CWE-522
Source
CVE List V5
Source checked
Oct 31, 2026
References
2 linked sources
Open source record