Is CVE-2026-57284 in the CISA KEV catalog?

No. CVE-2026-57284 is not currently on the CISA Known Exploited Vulnerabilities list.

What is the CVSS severity of CVE-2026-57284?

CVE-2026-57284 has a CVSS v3 base score of 4.3 (MEDIUM).

What is the EPSS score for CVE-2026-57284?

CVE-2026-57284 has an EPSS score of 0.27% (19th percentile), estimating the probability of exploitation in the next 30 days.

How do I fix or mitigate CVE-2026-57284?

No published fix for CVE-2026-57284 has been found yet. Check the linked vendor advisories for guidance as it becomes available.

CVE & CISA-KEV Catalog

CVE-2026-57284

MEDIUM

4.3

CVSS v3

NVD

Description

Jenkins Pipeline: Groovy Plugin 4331.v9d06ed4658ff and earlier does not restrict the types that can be instantiated through the Pipeline Snippet Generator, allowing attackers to instantiate types related to job or system configuration other than Pipeline steps.

CWE-470

How to fix

No published remediation has been found for this vulnerability's affected products yet.

Mitigation guidance may be in the linked vendor advisories in the References section below.

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CVSS v3 Vector

Exploitability

Attack VectorNetwork

Attack ComplexityLow

Privileges RequiredLow

User InteractionNone

ScopeUnchanged

Impact

ConfidentialityNone

IntegrityLow

AvailabilityNone

CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:N

Exploit Intelligence

0.27%probability of exploitation in 30 days

19thpercentile

Low risk: more likely to be exploited than 19% of all known CVEs.

References

Vendor Advisory1

jenkins.io

Related Vulnerabilities

Other CWE-470 vulnerabilities, ordered by exploit likelihood. View all

CVE	Severity	CVSS	EPSS	Exploited	Fix
CVE-2021-21985	Critical	9.8	100%	KEV + Ransom	Fix
CVE-2024-4990	Critical	9.1	79%	-	-
CVE-2024-0200	High	7.2	72%	-	Fix
CVE-2022-30287	High	8.0	70%	-	Fix
CVE-2025-3600	High	7.5	19%	-	-
CVE-2018-5511	High	7.2	15%	-	-

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This product uses NVD data but is not endorsed or certified by the NVD. EPSS scores courtesy of FIRST.org (https://www.first.org/epss). Source: CISA KEV Catalog. Data as of 2026-06-26.