CVE-2025-54920: This issue affects Apache Spark: before 3.5.7 and 4.0.1

Q: How do I fix CVE-2025-54920?

spark: upgrade to 3.5.7. Exact commands for each OS are on this page.

Q: Is CVE-2025-54920 being exploited?

CVE-2025-54920 is not on the CISA Known Exploited Vulnerabilities list at the time of the last update. Check again, as this can change.

Q: What does CVE-2025-54920 affect?

CVE-2025-54920 affects spark. Severity is high (CVSS 8.8). 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 vulnerabili

Q: How urgent is CVE-2025-54920?

Priority 64/100. High severity; EPSS top 7%: very likely to be exploited; Public exploit reference; On your watchlist

This week

HIGH 8.8WATCHLISTUPGRADE

CVE-2025-54920 is a high-severity flaw (CVSS 8.8) affecting spark. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

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 vulnerability in the Spark History Web UI due to overly permissive Jackson deserialization of event log data. This allows an attacker with access to the Spark event logs directory to inject malicious JSON payloads that tr

Why this priority

High severity
EPSS top 7%: very likely to be exploited
Public exploit reference
On your watchlist

A fixed release or distro patch exists.

Risk facts

CVSS score	8.8 (High)
Attack vector	Network (remote)
Attack complexity	Low
Privileges needed	Low
User interaction	None
EPSS exploit chance	5.4% (top 7%)
CISA exploited list	No
Weakness	CWE-502
Published	2026-03-16
Last modified	2026-06-17

Publisher (CNA): Apache Software Foundation · Vendor: apache

Last updated 2026-06-17 · Sources: CVE Program, NVD, CISA KEV, EPSS and vendor advisories · How we score

Am I affected?

Timeline

2026-03-16 14:17 UTCPublished CVE record published
2026-06-17 09:40 UTCUpdated Record last modified

apache spark UPGRADE

Affected: < 3.5.7 · 4.0.0 · 4.0.0 rc1 · 4.0.0 rc2 · 4.0.0 rc3 · 4.0.0 rc4 · 4.0.0 rc5 · 4.0.0 rc6

Fixed in: 3.5.7

Safe to downgrade to: no unaffected older release

1. Check installed version

apt-cache policy spark || rpm -q spark || spark --version

2. UPGRADE to 3.5.7 (Debian / Ubuntu)

sudo apt update && sudo apt install --only-upgrade spark

2. UPGRADE (RHEL / Amazon Linux / Fedora)

sudo dnf upgrade spark

Note

Distros often backport fixes without changing the version number. Confirm with the distro advisory or changelog.

Exact fixes by distribution

Maven · org.apache.spark:spark-core_2.13 · FIXED · 4.0.1 · vulnerable: >= 4.0.0, < 4.0.1 · source

Set org.apache.spark:spark-core_2.13 to 4.0.1 or later in pom.xml or build.gradle, then rebuild and redeploy.

Maven · org.apache.spark:spark-core_2.12 · FIXED · 3.5.7 · vulnerable: < 3.5.7 · source

Set org.apache.spark:spark-core_2.12 to 3.5.7 or later in pom.xml or build.gradle, then rebuild and redeploy.

Maven · org.apache.spark:spark-core_2.11 · NO FIX YET · vulnerable: <= 2.4.8 · source

Maven · org.apache.spark:spark-core_2.10 · NO FIX YET · vulnerable: <= 2.2.3 · source

Maven · org.apache.spark:spark-core_2.9.3 · NO FIX YET · vulnerable: <= 0.8.1-incubating · source

Fedora 46 · wordpress · FIXED · 7.1.4-1.fc46 · FEDORA-2026-907394725e · source

sudo dnf upgrade --advisory=FEDORA-2026-907394725e

Fedora ELN · rhc · FIXED · 0.3.15-1.eln159 · FEDORA-2026-1cd9f35750 · source

sudo dnf upgrade --advisory=FEDORA-2026-1cd9f35750

Verify at the official source NVD · CVE Program · Report a problem with this page
Scores and fixes here are computed automatically from those and other public sources. Confirm with the vendor advisory before changing production systems.

Quick answers

How do I fix CVE-2025-54920?

spark: upgrade to 3.5.7. Exact commands for each OS are on this page.

Is CVE-2025-54920 being exploited?

CVE-2025-54920 is not on the CISA Known Exploited Vulnerabilities list at the time of the last update. Check again, as this can change.

What does CVE-2025-54920 affect?

CVE-2025-54920 affects spark. Severity is high (CVSS 8.8). 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 vulnerabili

How urgent is CVE-2025-54920?

Priority 64/100. High severity; EPSS top 7%: very likely to be exploited; Public exploit reference; On your watchlist

Software pages

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References

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