PatchTheCVEultrajson project vulnerabilities
Recent CVEs affecting ultrajson project products. 1 tracked.
ultrajson project has 1 tracked vulnerability, 0 critical. A fixed release or vendor patch exists for 1. Most recent: 2026-06-22. Highest priority: CVE-2026-54911 (score 35/100).
- CVE-2026-54911 MEDIUM 6.5 UPGRADE UltraJSON is a fast JSON encoder and decoder written in pure C with bindings for Python 3.7+
FAQ
How do I fix ultrajson project 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 ultrajson project being exploited right now?
None of the tracked ultrajson project CVEs are on the CISA Known Exploited Vulnerabilities list at the moment. This is checked every 20 minutes.
Which ultrajson project CVE should I patch first?
CVE-2026-54911 currently ranks highest (35/100): UltraJSON is a fast JSON encoder and decoder written in pure C with bindings for Python 3.7+.