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Ubuntu Linux CVE-2026-96282

| EUVDEUVD-2026-88044 LOW
Improper Link Resolution Before File Access (CWE-59)
2026-09-23 vendor:ubuntu
3.1
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
    Product and vector unknown
  3. Impact
    Cannot map attack chain

Vulnerability Assessment

Weakness
CWE
OWASP Top 10:2025
A01:2025 - Broken Access Control
ASVS 5.0
V5 - File Handling Symlink resolution safety
Exploitation Conditions

Cannot be determined - the description ('security update') names no product feature, protocol, configuration setting, or deployment mode, and no CVSS vector is supplied to indicate authentication or user-interaction requirements. The affected Ubuntu source package is not identified. Exploitation prerequisites and limiting factors are entirely unknown pending retrieval of the Ubuntu Security Notice and the upstream CVE record.

Impact

Risk cannot be meaningfully assessed from the provided data. The only inputs are a placeholder description ('security update') and a single reporting source (vendor:ubuntu); there is no CVSS base score or vector, no CWE, no affected product/package name, no EPSS probability, no KEV listing, no SSVC decision data, and no reference URLs. As a result, attack vector, complexity, privilege requirements, and impact are all undetermined. There is no evidence of active exploitation (not in CISA KEV) and no public exploit code identified, so this is 'no public exploit identified at time of analysis.' The 'reported by vendor:ubuntu' signal most likely indicates this maps to an Ubuntu Security Notice / package security update, but the specific source package and upstream CVE details are missing. CRITICAL GAP: with no CVSS vector, no product, and only a stub description, any severity or priority claim would be unsupported - this entry must be triaged only after the underlying Ubuntu USN and upstream advisory are retrieved.

Exploit ScenarioDerived

No realistic exploit scenario can be constructed because the affected product, vulnerability class, and attack vector are all absent from the provided data. No public proof-of-concept has been identified. Retrieve the corresponding Ubuntu Security Notice to determine the package and attack surface before assessing any scenario.

Monitor Track and reassess. Why: LOW severity (CVSS 0.1-3.9).
No patch listed yet 0.3% exploitation probability (EPSS)

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AnalysisAIv1 – Sep 24, 2026

CVE-2026-96282 is an Ubuntu security update for which no affected source package, vulnerability class, or exploitability detail has been disclosed in the available record. Because no CVSS vector, CWE, CPE string, or advisory reference is supplied, it cannot be determined whether exploitation requires authentication or user interaction, or what the impact on confidentiality, integrity, or availability would be. No public exploit code and no confirmed active exploitation (CISA KEV) have been identified at time of analysis, and risk cannot be meaningfully assessed from the provided data.

RemediationAI

Patch status is not determinable from the provided data: the record carries no fixed version, no advisory URL, and no commit or pull-request reference, so no vendor-released patch can be confirmed or cited at specific version numbers. The practical course of action is to treat CVE-2026-96282 as pending and apply Ubuntu security updates through the standard channel once the associated USN appears - run 'sudo apt update && sudo apt full-upgrade', ensure unattended-upgrades is enabled on servers, and use 'ubuntu-security-status' or 'pro security-status' to verify whether the relevant package is covered by standard support, ESM, or Ubuntu Pro. Because the affected component is unidentified, no targeted compensating control (disabling a specific feature, blocking a port, or restricting an endpoint) can be recommended without risking removal of functionality that may be unrelated to the flaw; the trade-off of a broad, unidentified-component mitigation is unjustified. Security teams should instead monitor the Ubuntu security notices feed and the ubuntu-security-announce mailing list for CVE-2026-96282, and re-assess severity and exposure as soon as the USN, fix version, and CVSS vector become available.

Affected ProductsAI

The affected Ubuntu source package is not identified in the provided data. The only product-scoping information available is the reporting vendor, Ubuntu, with no release names (for example, 20.04 LTS, 22.04 LTS, 24.04 LTS), no binary package names, no version ranges, and no CPE strings supplied. There is also no vendor advisory or USN URL among the references to resolve the package mapping. Any statement about which Ubuntu releases or architectures are affected, or whether the issue is in a main, universe, or snap-delivered component, would be speculation until the matching Ubuntu Security Notice for CVE-2026-96282 is published and the upstream CVE record is enriched with CWE and CPE data.

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Technical ContextAI · show details

The only substantive content in this record is the description string 'security update' and the attribution 'vendor:ubuntu', which is the placeholder text Ubuntu's CVE tracker uses while a CVE is linked to one or more Ubuntu Security Notices (USNs) but the per-package detail has not been propagated to the CVE feed. No CWE is assigned, so the root-cause class - injection, memory corruption, privilege handling, information disclosure, or dependency-level issue - is unknown, and no CPE dictionary entry is provided, so neither the upstream project nor the Ubuntu release/package combination can be enumerated. Likewise, no CVSS vector is present, meaning the assessment cannot distinguish network from local attack vectors, PR:N from PR:L/PR:H privilege prerequisites, or UI:N from UI:R user-interaction requirements. Until the corresponding USN and the upstream CVE record are retrieved, the technical context is effectively empty: there is no identified library, protocol, service, daemon, or configuration surface to reason about.

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Severity by source

Vendor (vendor:ubuntu) PRIMARY 3.1 LOW
AV:N/AC:H/PR:N/UI:R/S:U/C:N/I:L/A:N

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

CVSS VectorVendor: vendor:ubuntu

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

Lifecycle Timeline

1
CVSS changed
Sep 27, 2026 - 22:22 NVD
3.1 (LOW)

DescriptionCVE.org

security update

Threat Intelligence Overview

EPSS Score
0.3%
Top 77% exploitable
Data Quality
6 sources
Confidence: High

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 0.3%
Patch available No
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
Open
Automatable· derived
No
Human Impact· derived
Low

Priority Score

16
Low Medium High Critical
KEV: 0
EPSS: 0
CVSS: +16
PoC: 0
Weaponized: 0
Threat intel: 0
Gov advisory: 0

Attack Technique

Information disclosure occurs when an application unintentionally exposes sensitive data that aids attackers in reconnaissance or directly compromises security.

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