Spark vulnerabilities: known CVEs & security history
Apache · Actively exploited · 22 tracked CVEs · 1 actively exploited · updated June 2026 · what is a CVE? →
This is the full list of known vulnerabilities (CVEs) across all Spark release lines — 22 in total, with 1 actively exploited in the wild. A CVE here doesn't mean your version is affected — check Spark's current status and the safe version to run.
Known Spark CVEs
Actively-exploited and most-severe first. Open any CVE for full details.
| CVE | Severity | CVSS | EPSS | Year |
|---|---|---|---|---|
| CVE-2022-33891⚡ exploited | high | 8.8 | 93% | 2022 |
| CVE-2020-9480 | critical | 9.8 | 29% | 2020 |
| CVE-2018-17190 | critical | 9.8 | 9% | 2018 |
| CVE-2019-20445 | critical | 9.1 | 13% | 2020 |
| CVE-2025-54920 | high | 8.8 | 5% | 2026 |
| CVE-2023-32007 | high | 8.8 | 76% | 2023 |
| CVE-2017-12612 | high | 7.8 | 1% | 2017 |
| CVE-2021-38296 | high | 7.5 | 2% | 2022 |
| CVE-2019-10172 | high | 7.5 | 17% | 2019 |
| CVE-2019-10099 | high | 7.5 | 1% | 2019 |
| CVE-2018-11804 | high | 7.5 | 6% | 2018 |
| CVE-2025-55039 | medium | 6.5 | 0% | 2025 |
| CVE-2023-22946 | medium | 6.4 | 1% | 2023 |
| CVE-2017-7678 | medium | 6.1 | 3% | 2017 |
| CVE-2024-23945 | medium | 5.9 | 1% | 2024 |
| CVE-2018-11760 | medium | 5.5 | 1% | 2019 |
| CVE-2022-31777 | medium | 5.4 | 1% | 2022 |
| CVE-2018-8024 | medium | 5.4 | 6% | 2018 |
| CVE-2020-27223 | medium | 5.2 | 78% | 2021 |
| CVE-2020-27218 | medium | 4.8 | 8% | 2020 |
| CVE-2018-1334 | medium | 4.7 | 1% | 2018 |
| CVE-2018-11770 | medium | 4.2 | 66% | 2018 |
Is my Spark version affected?
The list above spans every release. To know whether your version is affected — and the minimum safe version to upgrade to — check it directly.
Check your Spark version → · Monitor Spark for new CVEs →
Spark vulnerabilities — frequently asked
How many known vulnerabilities does Spark have?
IsItPatched tracks 22 CVEs for Spark, 1 of which is actively exploited (CISA KEV). 3 are critical-severity and 8 high-severity. These span every release line — what matters is whether the version you run is affected.
Does Spark have any actively-exploited vulnerabilities?
Yes — 1 Spark CVE is in CISA's Known Exploited Vulnerabilities catalog, meaning it is confirmed exploited in the wild. Patch it as a priority.
What is the most severe Spark vulnerability?
Among tracked issues, CVE-2022-33891 (HIGH, CVSS 8.8), which is actively exploited, ranks highest — a OS command injection weakness.
Is Spark safe to use?
It depends on the version. The latest supported Spark release clears the known issues; older versions may still be affected. Check the exact version you run for a verdict.
CVE data aggregated from NVD, CISA KEV and EPSS (FIRST.org). Related: Spark security status · Spark end-of-life · actively-exploited CVEs. Always verify against Apache's advisories — see our disclaimer.