# Apache Spark vulnerabilities

Source: https://junglewise.ai/threats/technologies/spark  
Publisher: Junglewise Threat Intelligence, https://junglewise.ai/threats  
Updated: 12 November 2026, 03:07 UTC. Rebuilt every hour.  
Data: https://junglewise.ai/threats/technologies/spark.json  
License: CC BY 4.0 with a link back

Junglewise Threat Intelligence has tracked 6 vulnerabilities in Apache Spark: 0 in the last 7 days and 1 in the last 90 days, 1 of them critical and 1 exploited in the wild. The most recent, CVE-2026-32773, was published on 2 September 2026. Nothing was published in the last eight weeks.

## Counts

- Last 7 days: 0
- Last 30 days: 0
- Last 90 days: 1
- All time: 6 (1 critical, 1 exploited in the wild)

## About Apache Spark

Apache distributed computing framework for large-scale data processing and cluster computing.

## Latest Apache Spark vulnerabilities

- [CVE-2026-32773: Apache Spark History Server XSS in job names](https://junglewise.ai/threats/cve-2026-32773-apache-spark-history-server-xss-in-job-names) (medium, CVSS 6.1, published 2 Sep 2026)
- [CVE-2026-17459: perwendel SparkJava symlink following in ExternalResourceHandler](https://junglewise.ai/threats/cve-2026-17459-perwendel-sparkjava-symlink-following-in-externalresourcehandler) (medium, CVSS 4.3, published 26 Jul 2026)
- [CVE-2026-8152: Unblu Spark DOM-based XSS via redirectOnFailure parameter](https://junglewise.ai/threats/cve-2026-8152-unblu-spark-dom-based-xss-via-redirectonfailure-parameter) (info, CVSS 9.3, published 22 Jul 2026)
- [CVE-2025-55039: Apache Spark Inadequate Encryption Strength in RPC Communication](https://junglewise.ai/threats/cve-2025-55039-apache-spark-inadequate-encryption-strength-in-rpc-communication) (medium, CVSS 6.5, published 15 Oct 2025)
- [CVE-2023-22946: Apache Spark privilege escalation via classpath injection](https://junglewise.ai/threats/cve-2023-22946-apache-spark-privilege-escalation-via-classpath-injection) (low, CVSS 3.1, published 17 Apr 2023)
- [CVE-2022-33891: Apache Spark OS command injection in Spark UI via impersonation](https://junglewise.ai/threats/cve-2022-33891-apache-spark-os-command-injection-in-spark-ui-via-impersonation) (critical, exploited in the wild, CVSS 8.8, published 19 Jul 2022)

## Most severe Apache Spark vulnerabilities

- [CVE-2022-33891: Apache Spark OS command injection in Spark UI via impersonation](https://junglewise.ai/threats/cve-2022-33891-apache-spark-os-command-injection-in-spark-ui-via-impersonation) (critical, exploited in the wild, CVSS 8.8, published 19 Jul 2022)
- [CVE-2025-55039: Apache Spark Inadequate Encryption Strength in RPC Communication](https://junglewise.ai/threats/cve-2025-55039-apache-spark-inadequate-encryption-strength-in-rpc-communication) (medium, CVSS 6.5, published 15 Oct 2025)
- [CVE-2026-32773: Apache Spark History Server XSS in job names](https://junglewise.ai/threats/cve-2026-32773-apache-spark-history-server-xss-in-job-names) (medium, CVSS 6.1, published 2 Sep 2026)
- [CVE-2026-17459: perwendel SparkJava symlink following in ExternalResourceHandler](https://junglewise.ai/threats/cve-2026-17459-perwendel-sparkjava-symlink-following-in-externalresourcehandler) (medium, CVSS 4.3, published 26 Jul 2026)
- [CVE-2023-22946: Apache Spark privilege escalation via classpath injection](https://junglewise.ai/threats/cve-2023-22946-apache-spark-privilege-escalation-via-classpath-injection) (low, CVSS 3.1, published 17 Apr 2023)
- [CVE-2026-8152: Unblu Spark DOM-based XSS via redirectOnFailure parameter](https://junglewise.ai/threats/cve-2026-8152-unblu-spark-dom-based-xss-via-redirectonfailure-parameter) (info, CVSS 9.3, published 22 Jul 2026)

## Vulnerabilities per week

Nothing was published in the last eight weeks.

| Week of | Vulns | Critical | Exploited |
| --- | --- | --- | --- |
| 17 Aug 2026 | 0 | 0 | 0 |
| 24 Aug 2026 | 0 | 0 | 0 |
| 31 Aug 2026 | 1 | 0 | 0 |
| 7 Sep 2026 | 0 | 0 | 0 |
| 14 Sep 2026 | 0 | 0 | 0 |
| 21 Sep 2026 | 0 | 0 | 0 |
| 28 Sep 2026 | 0 | 0 | 0 |
| 5 Oct 2026 | 0 | 0 | 0 |
| 12 Oct 2026 | 0 | 0 | 0 |
| 19 Oct 2026 | 0 | 0 | 0 |
| 26 Oct 2026 | 0 | 0 | 0 |
| 2 Nov 2026 | 0 | 0 | 0 |
| 9 Nov 2026 | 0 | 0 | 0 |

## Other Apache technologies

- [Apache Airflow](https://junglewise.ai/threats/technologies/airflow): 95 vulnerabilities
- [Apache Camel](https://junglewise.ai/threats/technologies/camel): 87 vulnerabilities
- [Apache Tomcat](https://junglewise.ai/threats/technologies/tomcat): 87 vulnerabilities
- [Apache Thrift](https://junglewise.ai/threats/technologies/thrift): 77 vulnerabilities
- [Apache Ofbiz](https://junglewise.ai/threats/technologies/ofbiz): 67 vulnerabilities
- [Apache HTTP Server](https://junglewise.ai/threats/technologies/http-server): 62 vulnerabilities
- [Apache Traffic Server](https://junglewise.ai/threats/technologies/traffic-server): 55 vulnerabilities
- [Apache Brpc](https://junglewise.ai/threats/technologies/brpc): 36 vulnerabilities
- [Apache Roller](https://junglewise.ai/threats/technologies/roller): 30 vulnerabilities
- [Apache CloudStack](https://junglewise.ai/threats/technologies/cloudstack): 28 vulnerabilities
- [Apache ActiveMQ](https://junglewise.ai/threats/technologies/activemq): 27 vulnerabilities
- [Apache Apisix](https://junglewise.ai/threats/technologies/apisix): 27 vulnerabilities

## Sources

NVD, GitHub Security Advisories, OSV, the CISA Known Exploited Vulnerabilities catalog, FIRST EPSS and vendor advisories. Rebuilt every hour. Cite as: Junglewise Threat Intelligence, "Apache Spark vulnerabilities", https://junglewise.ai/threats/technologies/spark, 12 November 2026.