Jenkins Security Advisory 2026-02-18
Affects Jenkins Core
CSIRTS triage
- What
- The advisory affects Jenkins Core.
- Who is affected
- All deployments of Jenkins Core.
- Urgency
- Remediation urgency is unclear due to unknown severity.
- Action
- Monitor for further updates regarding patches.
AI-assisted analysis generated from the source advisory — verify against the original.
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Details
Original advisory: https://www.jenkins.io/security/advisory/2026-02-18/
Exploitation outlook
EPSS (FIRST.org) estimates each CVE’s probability of exploitation in the next 30 days — here is the CSIRTS.com read on those numbers.
- Low exploitation riskCVE-2026-270990.51% 30-day exploitation probability — currently an unlikely target, but scores change as exploit code circulates. Riskier than 40% of all scored CVEs.
- Low exploitation riskCVE-2026-271000.33% 30-day exploitation probability — currently an unlikely target, but scores change as exploit code circulates. Riskier than 25% of all scored CVEs.
Referenced CVEs
| CVE | CSIRTS overview | External |
|---|---|---|
| CVE-2026-27099 | coverage & exploitation status | NVD · CVE.org |
| CVE-2026-27100 | coverage & exploitation status | NVD · CVE.org |
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