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Back to active CVEs
Critical · CVSS 10.0CVE-2026-77554

CISA ADP VulnrichmentCVE-2026-77554

Answer in brief

CVE-2026-77554 records a Critical severity (CVSS 10.0) vulnerability in CISA ADP Vulnrichment. The current sources do not mark it as known exploited. The current feed maps Ubiquiti Inc/UniFi Talk Application (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 26, 2026Updated Aug 28, 2026Source checked Oct 10, 2026First seen by HOL Aug 26, 2026Material review Aug 28, 2026
Upstream Advisory

Key facts

Risk
Critical · CVSS 10.0
Exploitation
Not marked as known exploited
Affected software
1 mapped package or product
Fix availability
Available

Why this deserves its current priority

CVSS is 10.0. 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 Ubiquiti Inc/UniFi Talk Application (generic). Check affected ranges and fixed versions before updating.

Mapped affected packages and fixed versions
PackageAffected rangeFixed version
Ubiquiti Inc/UniFi Talk Applicationgeneric>=0 <5.3.25.3.2

Recommended response

  1. 1Check inventory. Check lockfiles and deployed manifests for Ubiquiti Inc/UniFi Talk Application.
  2. 2Review the reported fix. Update Ubiquiti Inc/UniFi Talk Application to 5.3.2 if you use the affected versions. Test the change in a non-production environment first.

Evidence timeline and material changes

  1. Published upstream

    Aug 26, 2026

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

  2. Source modified

    Aug 28, 2026

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

  3. First seen by HOL

    Aug 26, 2026

Sources and claim methodology

  • Source referencecommunity.ui.com
Upstream source description

A malicious actor with access to the network could exploit an Improper Input Validation vulnerability found in UniFi Talk Application to execute a Command Injection on the host device.

Quoted source text, attributed separately from HOL analysis.

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  • WordPress GIFT4U plugin <= 1.1.3 - Broken Access Control vulnerabilitySame generic ecosystem
  • Apache DataSketches: datasketches-cpp: Out-of-bounds read in VarOpt union deserialization allows denial of service via a truncated sketchSame generic ecosystem
  • WordPress AFFI – Affiliate Marketing for WooCommerce plugin <= 1.0.10 - PHP Object Injection vulnerabilitySame generic ecosystem

Record context

Vulnerability class
Command Injection
EPSS
Not reported
CWE IDs
CWE-20
Source
CVE List V5
Source checked
Oct 10, 2026
References
1 linked source
Open source record