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LXD/Incus CVE-2026-81499

MEDIUM
2026-08-31 vendor:ubuntu
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Severity by source

vuln.today AI
8.5 HIGH

Network API access with project-user credentials required (PR:L); scope changes to peer projects (S:C); high confidentiality impact from cross-project data exposure.

3.1 AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:L/A:N
4.0 AV:N/AC:L/AT:N/PR:L/UI:N/VC:H/VI:L/VA:N/SC:L/SI:N/SA:N

Lifecycle Timeline

1
Analysis Generated
Aug 31, 2026 - 20:44 vuln.today

DescriptionCVE.org

[GHSA-6v6x-387m-rj4w: Project restriction bypass on network address sets]

AnalysisAI

Project restriction bypass in a network address set management component allows an authenticated user within one project to access or manipulate network address sets belonging to another project, violating multi-tenant isolation boundaries. The vulnerability is reported by Ubuntu vendor under GHSA-6v6x-387m-rj4w. …

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Attack ChainAIDerived

Hypothetical attack flow derived from CVE metadata

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Execution
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Vulnerability AssessmentAI

Exploitation Exploitation requires an authenticated session within a multi-project deployment of the affected platform - the attacker must hold a valid user credential scoped to at least one project. … Additional conditions and limiting factors are described in the full assessment.
Risk Assessment Real-world risk assessment is severely limited by absent CVSS, EPSS, KEV, and 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 is identified in the provided data. … Detailed patch versions, workarounds, and compensating controls in full report.

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CVE-2026-81499 vulnerability details – vuln.today

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