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CVE-2026-86334Proof of concept (PoC) published · CISA

CLI Path Traversal via Content-Disposition in LXD Image Export/Copy

CVSS score

4.2

EPSS probability

%0.3

Risk score

0.0

Published

14 d ago

Official patch verified

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Impact on My Inventory

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Vulnerability description

DayBreach CVE AI Research

CVE-2026-86334 has vendor, distribution, patch and security-source records on file. We can compare them and prepare an explanation linked to the evidence.

Path traversal in the CLI client image export and copy functionality in Canonical LXD from 4.0.2 before 4.0.14, 5.0.10, 5.21.8, and 6.10 on all platforms allows a remote malicious or machine-in-the-middle image server to overwrite arbitrary local files and execute code on the client system via a crafted Content-Disposition header filename parameter during unified image export or copy operations into a local directory target.

IMPACT: Affected Products and Software

Affected Products

The following products are affected by CVE-2026-86334 vulnerability. Where our threat engine knows the exact affected versions, they are listed below.

IDVENDORPRODUCTACTION
1canonicallxd View
Total affected vendors: 1|Products: 1

RED HAT CSAF/VEX: Product Impact Check

Red Hat has not yet published a CSAF/VEX impact record for this CVE. This does not mean “not affected”.

SCORING: CVSS from Multiple Sources

CVSS Scores

The Common Vulnerability Scoring System is a standardised framework for assessing the severity of vulnerabilities in software and systems. We collect and display CVSS scores from several sources for each CVE.

SCOREVERSIONSEVERITYVECTORSOURCE
4.2CVSS V3_1MEDIUMCVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:N/I:L/A:LCVE CNA
4.2CVSS V31MEDIUMCVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:N/I:L/A:LNVD

Patch and Remediation Guide

Solution & Remediation Advisory

Patch verified

10 doğrulanmış yama veya düzeltilmiş sürüm kanıtı bulundu.

cvelist

CNA çözüm referansı

Open source
cvelist

CNA çözüm referansı

Open source
cvelist

CNA çözüm referansı

Open source
cvelist

CNA çözüm referansı

Open source
cvelist

CNA çözüm referansı

Open source
reference

Yama veya çözüm referansı

Open source
reference

Yama veya çözüm referansı

Open source
reference

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Open source
reference

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Open source
reference

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Open source
Confirm the affected product and version against the source evidence above.
Restrict access to internet-facing services and apply network segmentation.
Apply the official update named in the evidence only to the matching product and version.
Monitor server logs and network endpoints for signs of anomalous execution.

Public exploit and active exploitation status

Verified exploit intelligence

No verified public PoC, exploit repository or Metasploit module has been found for this CVE yet.

Weakness Classification and Attack Patterns (CWE & CAPEC)

CWE - Common Weakness Enumeration

While CVE identifies specific instances of vulnerabilities, CWE categorises the common flaws or weaknesses that can lead to vulnerabilities. CVE-2026-86334 is associated with the following CWEs:

Common Attack Pattern Enumeration and Classification (CAPEC)

Common Attack Pattern Enumeration and Classification (CAPEC) stores attack patterns, which are descriptions of the common attributes and approaches employed by adversaries to exploit the CVE-2026-86334 weaknesses.

Attack Vector and Accessibility

ExposureAğ üzerinden
PermissionsGerekmiyor
UserGerekiyor

Official Sources and Advisories

CVSS Vector Radar Chart

4.2 / 10
Attack VectorNetworkComplexityHighPrivilegesNoneUser Interact.RequiredConfidentialityHighIntegrityLowAvailabilityLow

Vulnerability Scoring Details

CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:N/I:L/A:L
Attack VectorNetwork
Attack ComplexityHigh
Privileges RequiredNone required
User Interaction—
Confidentiality (Gizlilik)High
Integrity (Bütünlük)Low
Availability (Erişilebilirlik)Low

Yama doğrulandı

10 doğrulanmış yama veya düzeltilmiş sürüm kanıtı bulundu.

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Weakness Type (CWE & CAPEC)

Similar Vulnerabilities

Get this vulnerability through the API

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  "https://api.enginteksut.com.tr/api/v1/intel/cves/CVE-2026-86334"