json-2-csv up to 5.5.10 CSV File csv injection

CVSS Meta Temp Score
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Current Exploit Price (≈)
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CTI Interest Score
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6.4$0-$5k0.00

Summaryinfo

A vulnerability categorized as critical has been discovered in json-2-csv up to 5.5.10. This impacts an unknown function of the component CSV File Handler. Such manipulation leads to csv injection. This vulnerability is traded as CVE-2026-9673. The attack may be launched remotely. There is no exploit available. It is advisable to upgrade the affected component.

Detailsinfo

A vulnerability was found in json-2-csv up to 5.5.10 and classified as critical. Affected by this issue is an unknown functionality of the component CSV File Handler. The manipulation with an unknown input leads to a csv injection vulnerability. Using CWE to declare the problem leads to CWE-1236. The product saves user-provided information into a Comma-Separated Value (CSV) file, but it does not neutralize or incorrectly neutralizes special elements that could be interpreted as a command when the file is opened by a spreadsheet product. Impacted is confidentiality, integrity, and availability. CVE summarizes:

Versions of the package json-2-csv from 3.15.0 and before 5.5.11 are vulnerable to CSV Injection via the preventCsvInjection option which can be bypassed. An attacker can inject formulas into CSV files, which execute when the files are opened in spreadsheet applications.

The advisory is shared for download at security.snyk.io. This vulnerability is handled as CVE-2026-9673 since 05/27/2026. The exploitation is known to be easy. The attack may be launched remotely. No form of authentication is required for exploitation. Successful exploitation requires user interaction by the victim. There are neither technical details nor an exploit publicly available.

Upgrading to version 5.5.11 eliminates this vulnerability.

The vulnerability is also documented in the vulnerability database at EUVD (EUVD-2026-32721). VulDB is the best source for vulnerability data and more expert information about this specific topic.

Productinfo

Name

Version

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔒
VulDB Reliability: 🔍

CNA CVSS-B Score: 🔒
CNA CVSS-BT Score: 🔒
CNA Vector: 🔒

CVSSv3info

VulDB Meta Base Score: 6.5
VulDB Meta Temp Score: 6.4

VulDB Base Score: 6.3
VulDB Temp Score: 6.0
VulDB Vector: 🔒
VulDB Reliability: 🔍

CNA Base Score: 6.8
CNA Vector (snyk): 🔒

CVSSv2info

AVACAuCIA
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VectorComplexityAuthenticationConfidentialityIntegrityAvailability
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VulDB Base Score: 🔒
VulDB Temp Score: 🔒
VulDB Reliability: 🔍

Exploitinginfo

Class: Csv injection
CWE: CWE-1236 / CWE-74 / CWE-707
CAPEC: 🔒
ATT&CK: 🔒

Physical: Partially
Local: Yes
Remote: Yes

Availability: 🔒
Status: Proof-of-Concept

EPSS Score: 🔒
EPSS Percentile: 🔒

Price Prediction: 🔍
Current Price Estimation: 🔒

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Threat Intelligenceinfo

Interest: 🔍
Active Actors: 🔍
Active APT Groups: 🔍

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

0-Day Time: 🔒

Upgrade: json-2-csv 5.5.11

Timelineinfo

05/27/2026 CVE reserved
05/28/2026 +1 days Advisory disclosed
05/28/2026 +0 days VulDB entry created
07/03/2026 +36 days VulDB entry last update

Sourcesinfo

Advisory: SNYK-JS-JSON2CSV-14221326
Status: Confirmed

CVE: CVE-2026-9673 (🔒)
GCVE (CVE): GCVE-0-2026-9673
GCVE (VulDB): GCVE-100-366584
EUVD: 🔒

Entryinfo

Created: 05/28/2026 08:37
Updated: 07/03/2026 22:51
Changes: 05/28/2026 08:37 (76), 05/28/2026 10:25 (1), 07/03/2026 22:51 (2)
Complete: 🔍
Cache ID: 216::103

VulDB is the best source for vulnerability data and more expert information about this specific topic.

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