spark vulnerabilities and fixes
Recent CVEs affecting spark, with upgrade or downgrade steps. 1 tracked.
spark has 1 tracked vulnerability, 0 critical. A fixed release or vendor patch exists for 1. Most recent: 2026-09-02. Highest priority: CVE-2026-32773 (score 35/100).
- CVE-2026-32773 MEDIUM 6.1 UPGRADE There is a lack of XSS escaping in the Spark History Server prior to 3.5.8 which allows a malicious Spark job
FAQ
How do I fix spark 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 spark being exploited right now?
None of the tracked spark CVEs are on the CISA Known Exploited Vulnerabilities list at the moment. This is checked every 20 minutes.
Which spark CVE should I patch first?
CVE-2026-32773 currently ranks highest (35/100): There is a lack of XSS escaping in the Spark History Server prior to 3.5.8 which allows a malicious Spark job .