CVE-2022-39217: Improper Neutralization of Formula Elements in a CSV File in ghas-to-csv

Severity: critical (CVSS 9.8 v3.1)
Exploited in the wild: not listed in CISA KEV
EPSS: 0.6% probability of exploitation in the next 30 days
Public exploit or detection template: none known
Published: 2022-09-17 · updated 2026-06-17
Weakness: CWE-74

Description

some-natalie/ghas-to-csv (GitHub Advanced Security to CSV) is a GitHub action which scrapes the GitHub Advanced Security API and shoves it into a CSV. In affected versions this GitHub Action creates a CSV file without sanitizing the output of the APIs. If an alert is dismissed or any other custom field contains executable code / formulas, it might be run when an endpoint opens that CSV file in a spreadsheet program. This issue has been addressed in version `v1`. Users are advised to use `v1` or later. There are no known workarounds for this issue.

Affected products

some-natalie ghas-to-csv: before 1 — fixed in 1

How to fix

Upgrade to a fixed version: some-natalie ghas-to-csv 1. Check the vendor advisory for mitigations.

References

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