flatted vulnerabilities and fixes

Recent CVEs affecting flatted, with upgrade or downgrade steps. 2 tracked.

flatted has 2 tracked vulnerabilities, 1 critical. A fixed release or vendor patch exists for 2. Most recent: 2026-03-20. Highest priority: CVE-2026-33228 (score 62/100).

• CVE-2026-33228 CRITICAL 9.8 UPGRADE flatted is a circular JSON parser
• CVE-2026-32141 HIGH 7.5 UPGRADE flatted is a circular JSON parser

FAQ

How do I fix flatted 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 flatted being exploited right now?

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

Which flatted CVE should I patch first?

CVE-2026-33228 currently ranks highest (62/100): flatted is a circular JSON parser.

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