Deserialization in Apache Spark
CVE-2025-54920
This issue affects Apache Spark: before 3.5.7 and 4.0.1. Users are recommended to upgrade to version 3.5.7 or 4.0.1 and above, which fixes the issue. Summary Apache Spark 3.5.4 and earlier versions contain a code execution vulnerabil…
Vulnerability class: Insecure Deserialization
EPSS: 0.053 (91.8th percentile) — read the EPSS interpretation.
CVSS v3 metric
CVSS v3 base score 8.8 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H.
Affected products
- Apache Spark — versions 4.0.0, 4.0.1
- Apache Software Foundation Spark — versions 0, 4.0.0
Weakness classification (CWE)
References
- security@apache.org (patch, Issue Tracking)
- security@apache.org (patch, Issue Tracking)
- security@apache.org (issue-tracking, Issue Tracking)
- security@apache.org (Exploit, vendor-advisory, Mitigation, Vendor Advisory)
- af854a3a-2127-422b-91ae-364da2661108 (Exploit, Mailing List, Third Party Advisory)
Frequently asked questions
- What is CVE-2025-54920?
- CVE-2025-54920 is a high-severity vulnerability in Apache Spark, classified under Deserialization of Untrusted Data. CVSS score: 8.8/10. Published 2026-03-16.
- How severe is CVE-2025-54920?
- High severity. CVSS v3 base score is 8.8 out of 10.