Part-DB: Spreadsheet Formula Injection in XLSX Part Exports

MITRE NVD CVE.ORG JSON API

Summary

CVECVE-2026-86020
StatePUBLISHED
AssignerGitHub_M
Source PriorityCVE Program / NVD first with legacy fallback
Published2026-10-23 05:17:18 UTC
Updated2026-10-23 05:17:18 UTC
DescriptionPart-DB is an open source inventory management system for electronic components. Prior to version 2.13.2, Part-DB contains a spreadsheet formula injection vulnerability in the part import/export workflow. An authenticated user with permission to import parts can import a CSV file containing formula-prefixed values, such as =1+1, into user-controlled part fields. When the affected part is later exported as an XLSX spreadsheet, Part-DB writes the attacker-controlled value using PhpSpreadsheet's setCellValue() method without neutralising spreadsheet formula characters. As a result, the exported XLSX file contains an executable spreadsheet formula cell rather than a plain text value. If another user exports and opens the spreadsheet, the formula may be evaluated by their spreadsheet software. This issue has been patched in version 2.13.2.

Risk And Classification

Primary CVSS: v3.1 4.6 MEDIUM from [email protected]

CVSS:3.1/AV:L/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N

Problem Types: CWE-20 | CWE-1236 | CWE-20 CWE-20: Improper Input Validation | CWE-1236 CWE-1236: Improper Neutralization of Formula Elements in a CSV File

VersionSourceTypeScoreSeverityVector
3.1[email protected]Secondary4.6MEDIUMCVSS:3.1/AV:L/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N
3.1CNADECLARED4.6MEDIUMCVSS:3.1/AV:L/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N

CVSS v3.1 Breakdown

Attack Vector
Local
Attack Complexity
Low
Privileges Required
Low
User Interaction
Required
Scope
Changed
Confidentiality
Low
Integrity
Low
Availability
None

CVSS:3.1/AV:L/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N

Vendor Declared Affected Products

SourceVendorProductVersionPlatforms
CNA Part-DB Part-DB-server affected < 2.13.2 Not specified

References

ReferenceSourceLinkTags
github.com/Part-DB/Part-DB-server/releases/tag/v2.13.2 [email protected] github.com
github.com/Part-DB/Part-DB-server/security/advisories/GHSA-hxw4-frfg-f8jw [email protected] github.com
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