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PatchSiren cyber security CVE debrief

CVE-2026-79319 stenciljs CVE debrief

CVE-2026-79319 is a vulnerability in Stencil core 4.43.5, classified as Incorrect Access Control with a CVSS score of 5.3 and a severity of MEDIUM. The CVE record was published on 2026-09-21T20:17:32.673Z and last modified on 2026-09-25T16:17:27.550Z. The NVD entry is currently Awaiting Analysis. This vulnerability requires verification of access control mechanisms to prevent potential unauthorized access. Defenders should assess exposure and prioritize verification of access control mechanisms in Stencil core 4.43.5 deployments.

Vendor
stenciljs
Product
core
CVSS
MEDIUM 5.3
CISA KEV
Not listed in stored evidence
Original CVE published
2026-09-21
Original CVE updated
2026-09-25
Advisory published
2026-09-21
Advisory updated
2026-09-25

Who should care

Defenders responsible for Stencil core 4.43.5 deployments should assess exposure and prioritize verification of access control mechanisms. This includes reviewing the supplied official advisory or CVE record to validate affected scope, severity, and vendor guidance. Additionally, defenders should plan vendor-supported updates or mitigations through normal change control where exposure is confirmed and review compens

Why it matters

CVE-2026-79319 is a medium-severity vulnerability in Stencil core 4.43.5 that requires verification of access control mechanisms to prevent potential unauthorized access.

  • Potential unauthorized access to sensitive data or functionality
  • Need for verification of access control mechanisms in Stencil core 4.43.5 deployments
  • Potential security incidents related to this vulnerability

Technical summary

The Stencil core 4.43.5 is vulnerable to Incorrect Access Control, which could potentially allow unauthorized access to sensitive data or functionality. This vulnerability has a CVSS score of 5.3 and a severity of MEDIUM. The vulnerability is related to Stencil core 4.43.5 and requires verification of access control mechanisms to prevent potential security incidents. Further analysis is required to determine the scope of affected systems and potential impact.

Defensive priority

Defenders should assess exposure and prioritize verification of access control mechanisms in Stencil core 4.43.5 deployments.

Recommended defensive actions

  • Assess exposure of Stencil core 4.43.5 deployments to this vulnerability
  • Verify access control mechanisms in Stencil core 4.43.5 deployments
  • Monitor for potential security incidents related to this vulnerability

Evidence notes

The CVE record and NVD detail page provide limited information about the vulnerability. Further analysis is required to determine the scope of affected systems and potential impact.

Sources and references

Verified primary and authoritative sources

  • CVE-2026-79319 CVE Program record

    Publisher, destination, and source semantics verified

    URL: https://www.cve.org/CVERecord?id=CVE-2026-79319

    CVE Program - Official CVE Program record with source-provided CVE metadata.

  • CVE-2026-79319 NVD vulnerability detail

    Publisher, destination, and source semantics verified

    URL: https://nvd.nist.gov/vuln/detail/CVE-2026-79319

    NIST National Vulnerability Database - Official NIST NVD detail page and source-specific vulnerability assessment.

Supplemental references

Methodology and review provenance

AI-assisted synthesis based on stored public vulnerability evidence. System validation, approval state, and publication status do not by themselves establish human review of this revision. PatchSiren helps prioritize defensive review and does not prove exposure or remediation on any system.