Ruby on Rails vulnerabilities and fixes

CVEs that mention Ruby on Rails, ranked by priority. 3 tracked.

Ruby on Rails has 3 tracked vulnerabilities, 0 critical. A fixed release or vendor patch exists for 2. Most recent: 2026-08-13. Highest priority: CVE-2023-22795 (score 57/100).

• CVE-2023-22795 HIGH 7.5 UPGRADE MITIGATE A regular expression based DoS vulnerability in Action Dispatch <6.1.7.1 and <7.0.4.1 related to the If-None-M
• CVE-2023-22792 HIGH 7.5 UPGRADE A regular expression based DoS vulnerability in Action Dispatch <6.0.6.1,< 6.1.7.1, and <7.0.4.1
• CVE-2026-73648 MEDIUM 5.1 rails-html-sanitizer is responsible for sanitizing HTML fragments in Rails applications

FAQ

How do I fix Ruby on Rails vulnerabilities?

Open the CVE for your version, check the affected range, then follow the listed action: upgrade to the fixed release, or downgrade or mitigate if no fix exists yet. Commands for each OS are shown on every CVE page.

Is Ruby on Rails being exploited right now?

None of the tracked Ruby on Rails CVEs are on the CISA Known Exploited Vulnerabilities list at the moment. This is checked every 20 minutes.

Which Ruby on Rails CVE should I patch first?

CVE-2023-22795 currently ranks highest (57/100): A regular expression based DoS vulnerability in Action Dispatch <6.1.7.1 and <7.0.4.1 related to the If-None-M.

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