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Ubuntu Linux EUVDEUVD-2026-78063

| CVE-2026-19816 HIGH
Incorrect Authorization (CWE-863)
2026-09-11 vendor:ubuntu
Authentication Bypass
7.1
CVSS 3.1 · Vendor: vendor:ubuntu
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Severity by source

Vendor (vendor:ubuntu) PRIMARY
7.1 HIGH
AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:H
Ubuntu
MEDIUM
qualitative
Red Hat
7.1 HIGH
qualitative

Primary rating from Vendor (vendor:ubuntu).

CVSS VectorVendor: vendor:ubuntu

Attack Vector
Local
Attack Complexity
Low
Privileges Required
Low
User Interaction
None
Scope
Unchanged
Confidentiality
None
Integrity
High
Availability
High

Lifecycle Timeline

5
POC Analysis Generated
Sep 14, 2026 - 23:20 vuln.today
Re-analysis Queued
Sep 14, 2026 - 20:22 vuln.today
cvss_changed
CVSS changed
Sep 14, 2026 - 20:22 NVD
7.1 (HIGH)
Analysis Generated
Sep 11, 2026 - 04:39 vuln.today
CVE Published
Sep 11, 2026 - 00:00 cve.org
MEDIUM

DescriptionCVE.org

[Unknown description]

AnalysisAI

CVE-2026-19816 is a vulnerability reported by Ubuntu with no public description, CVSS score, or CWE classification available at the time of analysis. The affected product is an Ubuntu package or system component, but the specific vulnerability class, attack vector, and impact cannot be determined from the available intelligence. …

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Attack ChainAIDerived

Hypothetical attack flow derived from CVE metadata

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Vulnerability AssessmentAI

Exploitation Exploitation conditions are entirely unknown. … Additional conditions and limiting factors are described in the full assessment.
Risk Assessment No meaningful risk assessment is possible given the complete absence of a description, CVSS vector, CWE, EPSS score, KEV status, or POC data. … Full risk analysis with EPSS, KEV, and SSVC signal comparison available after sign-in.
Exploit Scenario Full exploit scenario with step-by-step reproduction available after sign-in.
Remediation No patch version, advisory URL, or workaround is available at the time of analysis. … Detailed patch versions, workarounds, and compensating controls in full report.
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Vendor StatusVendor

Ubuntu

Priority: Medium
packagekit
Release Status Version
xenial needs-triage -
bionic needs-triage -
focal needs-triage -
jammy needs-triage -
noble needs-triage -
resolute needs-triage -
upstream released 1.4.0-1

Debian

packagekit
Release Status Fixed Version Urgency
bookworm, bookworm (security) vulnerable 1.2.6-5+deb12u1 -
trixie (security), trixie vulnerable 1.3.1-1+deb13u1 -
forky vulnerable 1.3.6-1 -
sid fixed 1.4.0-1 -
(unstable) fixed 1.4.0-1 -

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EUVD-2026-78063 vulnerability details – vuln.today
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