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Ubuntu EUVDEUVD-2026-102208

| CVE-2026-61702 MEDIUM
Path Traversal (CWE-22)
2026-10-06 vendor:ubuntu
5.3
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
    Unknown vector
  2. Exploit
    Unknown exploit mechanism
  3. Impact
    Unknown impact

Vulnerability Assessment

Weakness
CWE
OWASP Top 10:2025
A01:2025 - Broken Access Control
ASVS 5.0
V5 - File Handling Path canonicalization, traversal prevention
MITRE ATT&CK

2 techniques across 2 tactics: Discovery, Collection

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

Exploitation Conditions

Exploitation conditions cannot be determined: the CVE description is '[Unknown description]' and no CVSS vector is provided, so no product feature, protocol, configuration setting, deployment mode, authentication level, or user-interaction requirement can be identified. The only datum is that the record is sourced from Ubuntu. Required prerequisites and limiting factors must be extracted from the Ubuntu Security Notice and the full CVE description once available.

Impact

Risk cannot be meaningfully assessed from the provided data because nearly every decision signal is absent. There is no CVSS vector or base score (so attack vector, complexity, and privilege requirements are all unknown), no EPSS exploitation-probability score, no CISA KEV listing, and no indication of public POC availability; the CWE and the vulnerability description itself are also missing. The only intelligence present is a single source attribution, 'vendor:ubuntu', indicating the issue was reported or tracked via Ubuntu (likely a Ubuntu Security Notice for a packaged component), but neither the affected package nor the impact is specified. Because no exploitation signals (EPSS/KEV/POC) and no severity signals (CVSS) are available, this cannot be confirmed as either a genuine priority or a high-CVSS-but-low-real-risk issue - the prioritization decision must be deferred until the Ubuntu advisory and NVD record are retrieved. No conflicting signals exist to reconcile; the problem is pervasive data absence, not contradiction.

Exploit ScenarioDerived

No realistic exploit scenario can be constructed because the vulnerability description, affected component, vulnerability class (CWE), and CVSS attack vector/complexity are all missing from the input. No public exploit has been identified at the time of analysis. The affected product and exploitation mechanics must be obtained from the Ubuntu Security Notice before any scenario can be described.

This Month Plan within 30 days. Why: MEDIUM severity (CVSS 4.0-6.9).
Patch available 0.5% exploitation probability (EPSS)

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AnalysisAIv1 – Oct 06, 2026

CVE-2026-61702 is recorded in this dataset solely as a vendor-sourced report from Ubuntu, with no description, no CVSS score or vector, no CWE mapping, and no CPE data, so the specific Ubuntu package, upstream component, and version range involved cannot be identified. Because the description is '[Unknown description]', no attacker capability, impact, or exploitation precondition can be stated, and the EPSS, KEV, and proof-of-concept signals are all absent - there is no evidence of active exploitation and no public exploit code identified at time of analysis, though that absence reflects missing data rather than a positive finding of safety. Risk cannot be meaningfully assessed from the provided data because nearly every decision signal is absent; prioritization should be deferred until the Ubuntu Security Notice and canonical CVE description are retrieved.

RemediationAI

Patch status is not established from the available data: no fix version, upstream commit, or vendor advisory was supplied, and the input does not state that a patch is or is not available, so no upgrade target can be cited. The immediate actionable step is identification rather than mitigation - retrieve the Ubuntu CVE tracker page and Ubuntu Security Notice for CVE-2026-61702 to determine the affected package, impacted Ubuntu releases, and the fixed package version, then apply the version specified there via apt using your normal change-control process. Because the affected component is unknown, no specific compensating control can be responsibly recommended here: disabling a service, blocking a port, or restricting an endpoint would require knowing which interface is exposed, and a wrong guess could remove functionality without reducing risk. If exposure must be limited before identification completes, the only defensible interim measures are broadly scoped and carry real trade-offs - for example isolating the host from untrusted networks or tightening network-level access to the host, at the cost of availability and operational overhead. Subscribe to Ubuntu security announcements so the USN is received as soon as it is published, and re-run this assessment once the description, CVSS vector, and CPE data are available.

Affected VersionsENISA

cups < 2.4.20

Affected Packages

euvd cups fix: 2.4.20

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

No technical context can be derived from the supplied record. The CPE field is empty, so the affected product and version range cannot be enumerated; the CWE field is empty, so the root-cause class (for example injection, deserialization, memory-safety, or access-control weakness) cannot be characterized; and the CVSS vector is absent, so it is impossible to determine whether exploitation is network-accessible, whether authentication is required, or whether user interaction is needed. The single traceable datum is the reporting source: vendor:ubuntu. In practice this means the record is being tracked through Ubuntu's security process, which typically indicates a flaw affecting one or more packages shipped in the Ubuntu archive - frequently an upstream open-source project packaged for Ubuntu, with the Ubuntu Security Notice (USN) serving as the authoritative Ubuntu-specific advisory and possibly cross-referencing an upstream CVE or Debian security tracker entry. Until the USN or the canonical CVE record is retrieved, no library, protocol, service, or configuration surface can be named, and any statement about the underlying technology would be speculation.

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Severity by source

Vendor (vendor:ubuntu) PRIMARY 5.3 MEDIUM
AV:N/AC:L/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
Network
Attack Complexity
Low
Privileges Required
None
User Interaction
None
Scope
Unchanged
Confidentiality
Low
Integrity
None
Availability
None

Lifecycle Timeline

1
Patch available
Oct 15, 2026 - 18:18 EUVD

DescriptionCVE.org

[Unknown description]

Threat Intelligence Overview

EPSS Score
0.5%
Top 62% exploitable
Data Quality
5 sources
Confidence: Medium

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 MEDIUM
CISA KEV No
Public POC No
EPSS 0.5%
Patch available Yes
Active threat No
Deciding rule
MEDIUM severity (CVSS 4.0-6.9)
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
Scheduled
Exploitation· derived
None
System Exposure· derived
Open
Automatable· derived
Yes
Human Impact· derived
Medium

Priority Score

26
Low Medium High Critical
KEV: 0
EPSS: 0
CVSS: +26
PoC: 0
Weaponized: 0
Threat intel: 0
Gov advisory: 0

Attack Technique

Path traversal exploits occur when applications use user-controlled input to construct file system paths without proper validation.

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