EUVD-2026-42386Severity by source
CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:L/VI:L/VA:L/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X
Primary rating from Vendor (vendor:ubuntu) · only source for this CVE.
CVSS VectorVendor: vendor:ubuntu
CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:L/VI:L/VA:L/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X
Lifecycle Timeline
3DescriptionCVE.org
[Unknown description]
AnalysisAI
CVE-2026-58254 has been reported through Ubuntu's vendor channel, but no description, CVSS score, CWE classification, or technical details are available in the provided intelligence data. The affected product, vulnerability class, and impact cannot be characterized at this time. …
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Attack ChainAIDerived
Hypothetical attack flow derived from CVE metadata
Vulnerability AssessmentAI
| Exploitation | Exploitation conditions are entirely unknown - no description, CVSS vector, or advisory was provided to identify required configuration, authentication level, network access, or affected feature. … Additional conditions and limiting factors are described in the full assessment. |
| Risk Assessment | Risk cannot be assessed. … Full risk analysis with EPSS, KEV, and SSVC signal comparison available after sign-in. |
| Exploit Scenario | No exploit scenario can be constructed. The vulnerability description, attack vector, and impact are all unknown. … |
| Remediation | No remediation guidance can be issued. … Detailed patch versions, workarounds, and compensating controls in full report. |
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External POC / Exploit Code
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