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Back to active CVEs
Medium · CVSS 5.3CVE-2026-19853

CyberTutor｜NewSiteServer (NSS) - Missing AuthenticationCVE-2026-19853

Answer in brief

CVE-2026-19853 records a Medium severity (CVSS 5.3) vulnerability in CyberTutor｜NewSiteServer (NSS) - Missing Authentication. The current sources do not mark it as known exploited. The current feed maps CyberTutor/NewSiteServer (NSS) (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 Aug 24, 2026Updated Aug 26, 2026Source checked Oct 8, 2026First seen by HOL Aug 24, 2026Material review Aug 26, 2026
Upstream Advisory

Key facts

Risk
Medium · CVSS 5.3
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 5.3. 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 CyberTutor/NewSiteServer (NSS) (generic). Check affected ranges and fixed versions before updating.

Mapped affected packages and fixed versions
PackageAffected rangeFixed version
CyberTutor/NewSiteServer (NSS)genericallNot reported

Recommended response

  1. 1Check inventory. Check lockfiles and deployed manifests for CyberTutor/NewSiteServer (NSS).
  2. 2Review the reported fix. Source-reported solution: Contact the vendor to take remedial measures.

Evidence timeline and material changes

  1. Published upstream

    Aug 24, 2026

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

  2. Source modified

    Aug 26, 2026

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

  3. First seen by HOL

    Aug 24, 2026

Sources and claim methodology

  • Source referencetwcert.org.tw
  • Source referencetwcert.org.tw
Upstream source description

NewSiteServer (NSS) developed by CyberTutor has a Missing Authentication vulnerability. Unauthenticated remote attackers can exploit a specific functionality to send emails to anyone on behalf of the school.

Quoted source text, attributed separately from HOL analysis.

Related CVEs

  • mJobTime 15.7.3.32 Unauthenticated SQL Execution RCE via Login.aspxAlso CWE-306
  • Obsidian Desktop < 1.14.0 RCE via Slides Plugin MarkdownSame generic ecosystem
  • Obsidian Desktop < 1.14.0 RCE via MathJax Safe Filter BypassSame generic ecosystem
  • mk-oracle: Local privilege escalation via malicious Oracle Instant ClientSame generic ecosystem
  • WordPress MainWP Child plugin <= 6.2.1 - Deserialization of untrusted data vulnerabilitySame generic ecosystem
  • HP Sure Click Kernel Buffer OverflowSame generic ecosystem

Record context

Vulnerability class
Missing Auth
EPSS
Not reported
CWE IDs
CWE-306
Source
CVE List V5
Source checked
Oct 8, 2026
References
2 linked sources
Open source record