Kestra OSS vulnerabilities: known CVEs & security history
Kestra · Actively exploited · 11 tracked CVEs · 1 actively exploited · updated September 2026 · what is a CVE? →
This is the full list of known vulnerabilities (CVEs) across all Kestra OSS release lines — 11 in total, with 1 actively exploited in the wild. A CVE here doesn't mean your version is affected — check Kestra OSS's current status and the safe version to run.
Known Kestra OSS CVEs
Actively-exploited and most-severe first. Open any CVE for full details.
| CVE | Severity | CVSS | EPSS | Year |
|---|---|---|---|---|
| CVE-2026-49869⚡ exploited | critical | 10 | 2% | 2026 |
| CVE-2026-53576 | critical | 10 | 3% | 2026 |
| CVE-2026-34612 | critical | 9.9 | 1% | 2026 |
| CVE-2026-38428 | critical | 9.8 | 0% | 2026 |
| CVE-2026-55839 | high | 8.7 | 0% | 2026 |
| CVE-2026-55069 | high | 8.7 | 0% | 2026 |
| CVE-2026-49984 | high | 7.7 | 1% | 2026 |
| CVE-2026-45807 | high | 7.7 | 1% | 2026 |
| CVE-2026-33664 | high | 7.3 | 0% | 2026 |
| CVE-2026-29082 | high | 7.3 | 0% | 2026 |
| CVE-2026-53577 | medium | 6.5 | 0% | 2026 |
Is my Kestra OSS 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 Kestra OSS version → · Monitor Kestra OSS for new CVEs →
Kestra OSS vulnerabilities — frequently asked
How many known vulnerabilities does Kestra OSS have?
IsItPatched tracks 11 CVEs for Kestra OSS, 1 of which is actively exploited (CISA KEV). 4 are critical-severity and 6 high-severity. These span every release line — what matters is whether the version you run is affected.
Does Kestra OSS have any actively-exploited vulnerabilities?
Yes — 1 Kestra OSS 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 Kestra OSS vulnerability?
Among tracked issues, CVE-2026-49869 (CRITICAL, CVSS 10), which is actively exploited, ranks highest — a OS command injection weakness.
Is Kestra OSS safe to use?
It depends on the version. The latest supported Kestra OSS 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: Kestra OSS security status · Kestra OSS end-of-life · actively-exploited CVEs. Always verify against Kestra's advisories — see our disclaimer.