Jenkins Security Advisory 2026-04-29
Affects plugin: Credentials Binding Affects plugin: GitHub Affects plugin: GitHub Branch Source Affects plugin: HTML Publisher Affects plugin: Matrix Authorization Strategy Affects plugin: Microsoft Entra ID (previously Azure AD) Affects plugin: Script Security
CSIRTS triage
- What
- Multiple plugins in Jenkins are affected by various vulnerabilities.
- Who is affected
- Users of the affected Jenkins plugins.
- Urgency
- Remediation is necessary to maintain security, but the severity is currently unknown.
- Action
- Monitor for updates related to the affected plugins.
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/2026-04-29/
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-2026-425190.17% 30-day exploitation probability — currently an unlikely target, but scores change as exploit code circulates. Riskier than 7% of all scored CVEs.
- Low exploitation riskCVE-2026-425200.41% 30-day exploitation probability — currently an unlikely target, but scores change as exploit code circulates. Riskier than 33% of all scored CVEs.
- Low exploitation riskCVE-2026-425210.25% 30-day exploitation probability — currently an unlikely target, but scores change as exploit code circulates. Riskier than 16% of all scored CVEs.
- Low exploitation riskCVE-2026-425220.18% 30-day exploitation probability — currently an unlikely target, but scores change as exploit code circulates. Riskier than 8% of all scored CVEs.
- Low exploitation riskCVE-2026-425230.28% 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-2026-425240.28% 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-2026-425250.21% 30-day exploitation probability — currently an unlikely target, but scores change as exploit code circulates. Riskier than 11% of all scored CVEs.
Referenced CVEs
| CVE | CSIRTS overview | External |
|---|---|---|
| CVE-2026-42519 | coverage & exploitation status | NVD · CVE.org |
| CVE-2026-42520 | coverage & exploitation status | NVD · CVE.org |
| CVE-2026-42521 | coverage & exploitation status | NVD · CVE.org |
| CVE-2026-42522 | coverage & exploitation status | NVD · CVE.org |
| CVE-2026-42523 | coverage & exploitation status | NVD · CVE.org |
| CVE-2026-42524 | coverage & exploitation status | NVD · CVE.org |
| CVE-2026-42525 | coverage & exploitation status | NVD · CVE.org |
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