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FreeCAD EUVDEUVD-2026-60456

| CVE-2026-34399 HIGH
Eval Injection (CWE-95)
2026-08-17 GitHub_M
7.8
CVSS 3.1 · Vendor: GitHub_M
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Severity by source

Vendor (GitHub_M) PRIMARY
7.8 HIGH
AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
vuln.today AI
7.8 HIGH

File-based delivery mandates AV:L; attacker needs no privileges (PR:N) but victim must actively process the template (UI:R); full code execution yields C:H/I:H/A:H with no scope change.

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

Primary rating from Vendor (GitHub_M).

CVSS VectorVendor: GitHub_M

CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
Attack Vector
Local
Attack Complexity
Low
Privileges Required
None
User Interaction
Required
Scope
Unchanged
Confidentiality
High
Integrity
High
Availability
High

Lifecycle Timeline

4
Patch available
Aug 17, 2026 - 22:03 EUVD
Source Code Evidence Fetched
Aug 17, 2026 - 21:32 vuln.today
Analysis Generated
Aug 17, 2026 - 21:32 vuln.today
CVE Published
Aug 17, 2026 - 20:50 cve.org
HIGH 7.8

DescriptionCVE.org

FreeCAD is a free and open-source multiplatform 3D parametric modeler. From 0.19 until 1.1.1, FreeCAD's BIM Workbench contains an eval() call on untrusted data from SVG template files. When a user creates a TechDraw page from a malicious SVG template, arbitrary Python code executes. The vulnerable code is in src/Mod/BIM/bimcommands/BimTDPage.py (line 87). This issue is fixed in version 1.1.1.

AnalysisAI

Arbitrary Python code execution in FreeCAD's BIM Workbench (versions 0.19 through 1.1.0) is triggered when a user creates a TechDraw page from a malicious SVG template, due to an unsafe eval() call in BimTDPage.py at line 87. Exploitation requires social engineering - an attacker must deliver a crafted SVG template to a victim who then performs the TechDraw page creation action. …

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Attack ChainAIDerived

Hypothetical attack flow derived from CVE metadata

Access
Craft malicious SVG template with eval payload
Delivery
Deliver template to victim via social engineering
Exploit
Victim opens FreeCAD BIM Workbench
Execution
Victim initiates TechDraw page creation from template
Persist
eval() in BimTDPage.py line 87 executes embedded Python
Impact
Arbitrary code runs as victim user

Vulnerability AssessmentAI

Exploitation Exploitation requires the victim to be running FreeCAD 0.19 through 1.1.0 with the BIM Workbench available, and to perform the specific user action of creating a TechDraw page from a malicious SVG template file - the vulnerable code path is in src/Mod/BIM/bimcommands/BimTDPage.py at line 87, triggered only by that workflow. … Additional conditions and limiting factors are described in the full assessment.
Risk Assessment The CVSS 3.1 score of 7.8 (AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H) accurately reflects the attack model: file-based delivery to local filesystem, no attacker privileges needed, but mandatory user interaction. … Full risk analysis with EPSS, KEV, and SSVC signal comparison available after sign-in.
Exploit Scenario An attacker embeds a Python payload (e.g., a reverse shell or file exfiltration command) within an SVG template file in a field that the BIM Workbench passes to eval(). The attacker delivers this template via email, a shared project file repository, or a compromised online template gallery to an architect or engineer using FreeCAD. …
Remediation Upgrade to FreeCAD 1.1.1, which contains the confirmed fix for the eval() injection in BimTDPage.py, as documented in the official release at https://github.com/FreeCAD/FreeCAD/releases/tag/1.1.1 and vendor security advisory GHSA-chv4-vm6r-wjqj. … Detailed patch versions, workarounds, and compensating controls in full report.

Recommended ActionAI

Within 24 hours, inventory FreeCAD installations identifying BIM Workbench users. …

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EUVD-2026-60456 vulnerability details – vuln.today

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