Jenkins vulnerabilities: known CVEs & security history
Jenkins · Infrastructure · 15 tracked CVEs · 1 actively exploited · updated September 2026 · what is a CVE? →
This is the full list of known vulnerabilities (CVEs) across all Jenkins release lines — 15 in total, with 1 actively exploited in the wild. A CVE here doesn't mean your version is affected — check Jenkins's current status and the safe version to run.
Known Jenkins CVEs
Actively-exploited and most-severe first. Open any CVE for full details.
| CVE | Severity | CVSS | EPSS | Year |
|---|---|---|---|---|
| CVE-2023-44487⚡ exploited | high | 7.5 | 100% | 2023 |
| CVE-2026-84650 | high | 8.8 | 0% | 2026 |
| CVE-2026-84648 | high | 8.8 | 0% | 2026 |
| CVE-2026-84645 | high | 8.8 | 1% | 2026 |
| CVE-2026-53435 | high | 8.8 | 44% | 2026 |
| CVE-2026-33001 | high | 8.8 | 1% | 2026 |
| CVE-2026-84652 | high | 7.3 | 0% | 2026 |
| CVE-2026-70429 | medium | 6.5 | 0% | 2026 |
| CVE-2026-84651 | medium | 6.3 | 0% | 2026 |
| CVE-2026-53441 | medium | 5.4 | 0% | 2026 |
| CVE-2026-84646 | medium | 4.3 | 0% | 2026 |
| CVE-2026-70428 | medium | 4.3 | 0% | 2026 |
| CVE-2026-70427 | medium | 4.3 | 0% | 2026 |
| CVE-2026-53437 | medium | 4.3 | 0% | 2026 |
| CVE-2026-70430 | low | 2.7 | 0% | 2026 |
Is my Jenkins 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 Jenkins version → · Monitor Jenkins for new CVEs →
Jenkins vulnerabilities — frequently asked
How many known vulnerabilities does Jenkins have?
IsItPatched tracks 15 CVEs for Jenkins, 1 of which is actively exploited (CISA KEV). 0 are critical-severity and 7 high-severity. These span every release line — what matters is whether the version you run is affected.
Does Jenkins have any actively-exploited vulnerabilities?
Yes — 1 Jenkins 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 Jenkins vulnerability?
Among tracked issues, CVE-2023-44487 (HIGH, CVSS 7.5), which is actively exploited, ranks highest — a Uncontrolled resource consumption weakness.
Is Jenkins safe to use?
It depends on the version. The latest supported Jenkins 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: Jenkins security status · Jenkins end-of-life · actively-exploited CVEs. Always verify against Jenkins's advisories — see our disclaimer.