Possible code injection vulnerability in Rails / Active Storage

Not analysed yet

We haven’t published our analysis of this Advisory yet. Once a person has reviewed it, this page will say what’s vulnerable, what has to be true for your app to be affected, and how to check.

Severity and exploitation

• CISA KEV Not listed.
• EPSS 0.031, the 87th percentile, on 9 Nov 2026: FIRST’s estimate of the chance of exploitation in the next 30 days.

Timeline

This record came from the full history of the GitHub Advisory Database, published 8 Mar 2022. New records show when each source confirmed them.

Sources

• GitHub Advisory Database: GHSA-w749-p3v6-hccq
• OSV: GHSA-w749-p3v6-hccq
• nvd.nist.gov/vuln/detail/CVE-2022-21831
• github.com/rails/rails/commit/0a72f7d670e9aa77a0bb8584cb1411ddabb7546e
• github.com/advisories/GHSA-w749-p3v6-hccq
• github.com/rails/rails
• github.com/rubysec/ruby-advisory-db/blob/master/gems/activestorage/CVE-2022-21831.yml
• groups.google.com/g/rubyonrails-security/c/n-p-W1yxatI
• lists.debian.org/debian-lts-announce/2022/09/msg00002.html
• rubysec.com/advisories/CVE-2022-21831
• security.netapp.com/advisory/ntap-20221118-0001
• www.debian.org/security/2023/dsa-5372

Facts on this page come from the GitHub Advisory Database (CC-BY 4.0), OSV and the other sources listed, as published. We don’t reproduce full advisory descriptions, which can contain exploit code.