Is Jenkins safe right now?
Nothing new in 90 days
No Jenkin flaws have been added to CISA's exploited list in the last 90 days (the most recent was Oct 2, 2025). Keep automatic updates on: that can change any day.
0exploited in the last 30 days
0in the last 90 days
0zero-days in 2026
6on CISA's list, all time
Earlier exploited flaws
- Jenkins Remote Code Execution Vulnerability
- Jenkins Command Line Interface (CLI) Path Traversal Vulnerability
- Jenkins User Interface (UI) Information Disclosure Vulnerability
- Jenkins Script Security Plugin Sandbox Bypass Vulnerability
- Jenkins Matrix Project Plugin Remote Code Execution Vulnerability
- Jenkins Stapler Web Framework Deserialization of Untrusted Data Vulnerability
By year
| Year | Exploited flaws added | Zero-days |
|---|---|---|
| 2026 (so far) | 0 | 0 |
| 2025 | 1 | 0 |
| 2024 | 1 | 0 |
| 2023 | 1 | 0 |
| 2022 | 3 | 0 |
Questions
Is Jenkins safe right now?
No Jenkin flaws have been added to CISA's exploited list in the last 90 days (the most recent was Oct 2, 2025). Keep automatic updates on: that can change any day. Confirm with the vendor's own advisories and install updates as soon as they're available.
How many Jenkins vulnerabilities have been exploited?
6 flaws are on CISA's list of vulnerabilities known to be exploited in real attacks, 1 of them used by ransomware.
Covers products matching jenkins. Sources: CISA's Known Exploited Vulnerabilities catalog and the vendors' own advisories. Updated every hour. General information only; confirm details with the vendor.