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Ubuntu Linux EUVDEUVD-2026-89254

| CVE-2026-95302 LOW
Incorrect Authorization (CWE-863)
2026-09-23 vendor:ubuntu GHSA-pp8f-g8qm-wq9m
2.9
CVSS 3.1 · Vendor: vendor:ubuntu
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Attack ChainAIDerived

Hypothetical attack flow derived from CVE metadata – not a confirmed exploit chain

  1. Access
    Insufficient data
  2. Exploit
    No description or CVSS vector
  3. Impact
    Attack chain undetermined

Vulnerability Assessment

Weakness
CWE
OWASP Top 10:2025
A01:2025 - Broken Access Control
ASVS 5.0
V8 - Authorization Authorization logic validation
MITRE ATT&CK

1 technique across 1 tactic: Privilege Escalation

The technique list with ATT&CK links and the kill-chain view is part of the Basic plan and up.

Exploitation Conditions

Cannot be determined - the source provides no description, no affected feature or configuration, and no CVSS vector, so no concrete prerequisites, authentication level, user-interaction, or configuration dependencies can be extracted. Awaiting published description and CVSS data from NVD/Ubuntu Security before any exploitation conditions can be stated.

Impact

Risk cannot be meaningfully assessed from the provided data. There is no description, no CVSS base score or vector, no CWE, no EPSS probability, no CISA KEV status, no POC indicator, and no SSVC decision data. The only signal is that the record was reported/tracked by the Ubuntu vendor feed, which indicates a Linux-distribution-relevant package but does not identify the product, attack vector, complexity, or privilege requirement. Because no exploitation-probability or impact signals exist, this cannot be classified as either a confirmed priority or a high-CVSS-but-low-real-risk issue - it is currently unscored and unclassifiable. No public exploit identified at time of analysis. All severity, vector, and impact fields must be treated as UNKNOWN pending publication of the description and CVSS data by NVD or Ubuntu Security.

Exploit ScenarioDerived

No exploit scenario can be constructed because the vulnerability description, affected component, and attack vector are all absent from the source data. No POC is referenced. Any scenario would be pure speculation and is therefore withheld.

Monitor Track and reassess. Why: LOW severity (CVSS 0.1-3.9).
Patch available 0.1% exploitation probability (EPSS)

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AnalysisAIv1 – Sep 24, 2026

CVE-2026-95302 is an identifier tracked by the Ubuntu security team, but at the time of analysis no description, CWE classification, CVSS score, or CVSS vector has been published for it, so the affected component, the attack surface, and the resulting impact are all undetermined. Because there is no affected feature or configuration documented, no exploitation prerequisites, authentication level, or user-interaction requirement can be stated. There is no evidence of active exploitation (not listed in CISA KEV) and no public exploit identified at time of analysis; risk cannot be meaningfully assessed from the provided data.

RemediationAI

No vendor-released patch or fix version can be confirmed from the available data, and no advisory URL was supplied, so no upgrade target can be named. Because the affected package and flaw class are unknown, no specific compensating control can be recommended with confidence - measures such as disabling a feature, blocking a port, or restricting endpoint access would have to be guesswork and could impose availability costs for no measurable security benefit. The actionable step is monitoring: follow the Ubuntu security CVE tracker and USN feed for CVE-2026-95302, subscribe to NVD for the eventual CVE record, and keep Ubuntu systems on supported releases with unattended-upgrades enabled so that any published fix is applied promptly. If the CVE later resolves to an installed package, apply the exact version listed in the corresponding USN rather than a general system upgrade, and re-run this assessment once the description, CWE, and CVSS vector are available.

Affected VersionsENISA

Chrome 154.0.8037.57 <154.0.8037.57

Affected Packages

euvd chrome fix: 154.0.8037.57

Source: OSV (Open Source Vulnerabilities)

Affects your stack

Affects 1 package in euvd

Checking this CVE against your own stacks and servers is part of the Basic plan and up.

Technical ContextAI · show details

The only intelligence available is a single source attribution of 'vendor:ubuntu', which indicates the CVE is being tracked in Ubuntu's security database rather than that Ubuntu is necessarily the upstream project. No CWE is supplied, so the root-cause class - whether memory corruption, injection, access-control failure, or something else - cannot be characterized, and no CPE strings are provided to pin the vulnerability to a specific package, library, kernel subsystem, or protocol implementation. Without a CVSS vector, there is also no information about attack vector, privileges required, or scope change to reason about. Any technical characterization at this point would be speculation; the assessment should be revisited once NVD or the Ubuntu Security Notices (USN) database publishes a description, CWE, and CVSS metrics.

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Severity by source

Vendor (vendor:ubuntu) PRIMARY 2.9 LOW
AV:L/AC:H/PR:N/UI:N/S:U/C:L/I:N/A:N

Primary rating from Vendor (vendor:ubuntu) · only source for this CVE.

CVSS VectorVendor: vendor:ubuntu

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

DescriptionCVE.org

[Unknown description]

Threat Intelligence Overview

EPSS Score
0.1%
Top 99% exploitable
Data Quality
3 sources
Confidence: Low

How this decision was reached

The engine reads each signal below and applies a fixed list of rules from top to bottom. The first rule that matches sets the recommended action – like a statement, every line is shown.

SignalValue
Severity LOW
CISA KEV No
Public POC No
EPSS 0.1%
Patch available Yes
Active threat No
Deciding rule
LOW severity (CVSS 0.1-3.9)
What every action level means
Emergency Immediate action required. Criteria: CRITICAL + in CISA KEV (actively exploited) without patch, OR CRITICAL + EPSS > 30% without patch, OR CRITICAL + active threat signals without patch.
Act Now Prioritize within 24-48h. Criteria: in KEV with patch available, OR CRITICAL + public POC, OR HIGH + EPSS > 10%, OR CRITICAL + active threat, OR any CRITICAL severity.
This Week Schedule remediation this week. Criteria: HIGH severity (CVSS 7.0-8.9). Patch within normal change window.
This Month Plan within 30 days. Criteria: MEDIUM severity (CVSS 4.0-6.9), lower exploitation probability. Include in regular patch cycle.
Monitor Track and reassess. Criteria: LOW severity (CVSS 0.1-3.9), minimal exploitation risk. No immediate action needed.

SSVC AssessmentENISA

SSVC Decision· derived
Defer
Exploitation· derived
None
System Exposure· derived
Small
Automatable· derived
No
Human Impact· derived
Low

Priority Score

14
Low Medium High Critical
KEV: 0
EPSS: 0
CVSS: +14
PoC: 0
Weaponized: 0
Threat intel: 0
Gov advisory: 0

Attack Technique

Authentication bypass attacks exploit flaws in the verification mechanisms that control access to systems and applications.

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