Jenkins Security Advisory 2026-05-27

CSIRTS triage

What

Multiple plugins in Jenkins have security vulnerabilities.

Who is affected

Users of affected Jenkins plugins are at risk.

Urgency

Remediation is necessary as these vulnerabilities could lead to various security issues.

Action

Update the affected plugins in Jenkins.

AI-assisted analysis generated from the source advisory — verify against the original.

Details

Source

Jenkins Security Advisories (INTL · vendor-psirt · site)

Severity

unknown

Published

2026-05-27

Exploitation

Not in CISA KEV at last sync

Original advisory: https://www.jenkins.io/security/advisory/2026-05-27/

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-2026-489160.29% 30-day exploitation probability — currently an unlikely target, but scores change as exploit code circulates. Riskier than 20% of all scored CVEs.
• Low exploitation riskCVE-2026-489170.27% 30-day exploitation probability — currently an unlikely target, but scores change as exploit code circulates. Riskier than 19% of all scored CVEs.
• Low exploitation riskCVE-2026-489180.23% 30-day exploitation probability — currently an unlikely target, but scores change as exploit code circulates. Riskier than 14% of all scored CVEs.
• Low exploitation riskCVE-2026-489190.27% 30-day exploitation probability — currently an unlikely target, but scores change as exploit code circulates. Riskier than 19% of all scored CVEs.
• Low exploitation riskCVE-2026-489200.30% 30-day exploitation probability — currently an unlikely target, but scores change as exploit code circulates. Riskier than 22% of all scored CVEs.
• Low exploitation riskCVE-2026-489210.30% 30-day exploitation probability — currently an unlikely target, but scores change as exploit code circulates. Riskier than 22% of all scored CVEs.
• Low exploitation riskCVE-2026-489220.36% 30-day exploitation probability — currently an unlikely target, but scores change as exploit code circulates. Riskier than 29% of all scored CVEs.
• Low exploitation riskCVE-2026-489230.19% 30-day exploitation probability — currently an unlikely target, but scores change as exploit code circulates. Riskier than 9% of all scored CVEs.
• Low exploitation riskCVE-2026-489240.22% 30-day exploitation probability — currently an unlikely target, but scores change as exploit code circulates. Riskier than 12% of all scored CVEs.
• Low exploitation riskCVE-2026-489250.11% 30-day exploitation probability — currently an unlikely target, but scores change as exploit code circulates. Riskier than 1% of all scored CVEs.

Referenced CVEs

More from Jenkins Security Advisories

• unknownJenkins Security Advisory 2026-06-242026-06-24
• unknownJenkins Security Advisory 2026-06-102026-06-10
• unknownJenkins Security Advisory 2026-04-292026-04-29
• unknownJenkins Security Advisory 2026-03-182026-03-18
• unknownJenkins Security Advisory 2026-02-182026-02-18