Helm vulnerabilities: known CVEs & security history
Helm · Automation / DevOps · 28 tracked CVEs · 0 actively exploited · updated June 2026 · what is a CVE? →
This is the full list of known vulnerabilities (CVEs) across all Helm release lines — 28 in total. A CVE here doesn't mean your version is affected — check Helm's current status and the safe version to run.
Known Helm CVEs
Actively-exploited and most-severe first. Open any CVE for full details.
| CVE | Severity | CVSS | EPSS | Year |
|---|---|---|---|---|
| CVE-2019-18658 | critical | 9.8 | 2% | 2019 |
| CVE-2019-1010275 | critical | 9.8 | 1% | 2019 |
| CVE-2026-35204 | high | 8.6 | 0% | 2026 |
| CVE-2025-53547 | high | 8.5 | 0% | 2025 |
| CVE-2020-11013 | high | 8.5 | 1% | 2020 |
| CVE-2026-35205 | high | 7.8 | 0% | 2026 |
| CVE-2022-36049 | high | 7.7 | 1% | 2022 |
| CVE-2024-26147 | high | 7.5 | 1% | 2024 |
| CVE-2021-32690 | medium | 6.8 | 1% | 2021 |
| CVE-2025-55199 | medium | 6.5 | 0% | 2025 |
| CVE-2025-55198 | medium | 6.5 | 0% | 2025 |
| CVE-2025-32387 | medium | 6.5 | 0% | 2025 |
| CVE-2025-32386 | medium | 6.5 | 0% | 2025 |
| CVE-2019-25210 | medium | 6.5 | 1% | 2024 |
| CVE-2022-36055 | medium | 6.5 | 1% | 2022 |
| CVE-2019-1000008 | medium | 6.5 | 1% | 2019 |
| CVE-2024-25620 | medium | 6.4 | 1% | 2024 |
| CVE-2021-21303 | medium | 5.9 | 1% | 2021 |
| CVE-2022-23526 | medium | 5.3 | 1% | 2022 |
| CVE-2022-23525 | medium | 5.3 | 1% | 2022 |
| CVE-2022-23524 | medium | 5.3 | 1% | 2022 |
| CVE-2026-35206 | medium | 4.4 | 0% | 2026 |
| CVE-2023-25165 | medium | 4.3 | 1% | 2023 |
| CVE-2020-15184 | low | 3.7 | 1% | 2020 |
| CVE-2020-4053 | low | 3.7 | 1% | 2020 |
| CVE-2020-15186 | low | 3.4 | 1% | 2020 |
| CVE-2020-15187 | low | 3 | 1% | 2020 |
| CVE-2020-15185 | low | 2.2 | 1% | 2020 |
Is my Helm 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 Helm version → · Monitor Helm for new CVEs →
Helm vulnerabilities — frequently asked
How many known vulnerabilities does Helm have?
IsItPatched tracks 28 CVEs for Helm. 2 are critical-severity and 6 high-severity. These span every release line — what matters is whether the version you run is affected.
Does Helm have any actively-exploited vulnerabilities?
None of Helm's tracked CVEs are currently in CISA's KEV catalog — but new ones can be added at any time, so keep your version current.
What is the most severe Helm vulnerability?
Among tracked issues, CVE-2019-18658 (CRITICAL, CVSS 9.8) ranks highest — a CWE-59 weakness.
Is Helm safe to use?
It depends on the version. The latest supported Helm 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: Helm security status · Helm end-of-life · actively-exploited CVEs. Always verify against Helm's advisories — see our disclaimer.