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CRITICAL severity

Ylianst MeshCentral Missing SSL Certificate ValidationGHSA-8xw6-9h78-c89j

CRITICAL

GHSA-8xw6-9h78-c89j is a critical-severity (CVSS 9.8) CWE-295 vulnerability in meshcentral. The records list no fixed version yet; check the vendor advisory below and apply the mitigations in the meantime.

Also known asCVE-2023-51837
Published
Updated
Affected
1 pkg
Patched
See advisory
Exploits
None indexed
Exploitation data as of Nov 12, 2026 · OSV.dev, NVD, FIRST.org (EPSS)

Exploitation Status

No confirmed exploitation observed yet

  • CISA assesses this as automatable — exploitation doesn’t require manual, per-target effort, which raises the odds of mass scanning and opportunistic attacks.
  • A successful exploit gives an attacker total control of the affected component, not partial access.
  • CISA’s own triage has not observed active exploitation or public proof-of-concept code for this CVE as of its last assessment.

Exploitation and automatability from CISA’s SSVC triage for GHSA-8xw6-9h78-c89j.

EPSS Exploitation Probability

via FIRST.org ↗
0.5%probability of exploitation in next 30 days
Lower Risk0.00%
Lower risk than most CVEs41th percentile — riskier than 41% of all scored CVEsHighest risk
0.00%0.32%0.64%0.97%0.1%0.5%May 26Sep 26Nov 26

Probability of exploitation in the next 30 days, from FIRST.org EPSS.

How urgent is this, really

Where this sits among everything scored

Real-World Exposure

1 pkg affected

How broadly this vulnerability is actually deployed: weekly install volume shows current usage, and reverse-dependency count shows how many other packages break if it stays unpatched.

2other npm packages depend on this — each one inherits the vulnerability until it's patched upstream
meshcentralnpm
19Kdownloads / week

Description

Ylianst MeshCentral 1.1.16 is vulnerable to Missing SSL Certificate Validation.

Affected Packages

1 total
EcosystemPackageVulnerable rangeFix
📦npmmeshcentralall versionsNo fix

Affected Products

1 product · 1 configurations
Application
meshcentralmeshcentral
1 version
1.1.16

Detection & mitigation playbook

Open-source dependency
  1. Detect

    Scan your dependency tree (package-lock.json, pnpm-lock.yaml, requirements.txt, go.sum, etc.) for meshcentral, including transitive dependencies — a direct dependency you never call can still pull in a vulnerable version.

  2. Remediation status

    The records we use list no patched version of meshcentral for GHSA-8xw6-9h78-c89j. Check the maintainer's advisory, and where your build allows, override or pin the dependency away from the vulnerable range.

  3. Mitigate without a patch

    If you can't upgrade right away: gate or disable the affected feature, validate untrusted input at the boundary, and avoid passing attacker-controlled data into the vulnerable path. O3's runtime protection blocks exploitation in production as an interim safeguard until the upgrade lands.

Frequently Asked Questions

Ylianst MeshCentral 1.1.16 is vulnerable to Missing SSL Certificate Validation.
O3 Security · Impact-Aware SCA

Is GHSA-8xw6-9h78-c89j in your dependencies?

Find it across npm, including transitive dependencies.

Ylianst MeshCentral Missing SSL Certificate Validation