CVE-2019-10431

CRITICAL

A sandbox bypass vulnerability in Jenkins Script Security Plugin 1.64 and earlier related to the handling of default parameter expressions in constructors allowed attackers to execute arbitrary cod...

Affects 1 product across 1 vendor.

CVSS 3.19.9
EPSS2.8%
Percentile86th
PatchUnknown
CVSS Vector — Plain English Remotely exploitable over the network, low complexity, low privileges required, no user interaction needed, can impact systems beyond the vulnerable component, full confidentiality impact, full integrity impact, full availability impact.
CWE Weakness Definitions
CWE-94: Code Injection

Attacker injects arbitrary code that is executed by the application process.

Related Attack Patterns (CAPEC)
CAPEC-35 Leverage Executable Code in Non-Executable Files
via CWE-94
CAPEC-77 Manipulating User-Controlled Variables
via CWE-94
CAPEC-242 Code Injection
via CWE-94

Mapping is CWE-to-CAPEC per MITRE CAPEC 3.9.

◆ AI Analysis — automated analysis, not human-reviewed

This vulnerability was disclosed in 2019. A critical vulnerability affects Jenkins systems (CVE-2019-10431). No public exploit code is currently available. Isolate affected systems if patching is not feasible.

BSID: BS-2019-GLOBAL-203560-C • Model: rule-based-v1 • Confidence: MEDIUM

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Frequently Asked Questions
What is CVE-2019-10431?
This vulnerability was disclosed in 2019. A critical vulnerability affects Jenkins systems (CVE-2019-10431). No public exploit code is currently available. Isolate affected systems if patching is not feasible.
What is the CVSS score for CVE-2019-10431?
CVE-2019-10431 has CVSS 9.9 (Critical). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H. EPSS: 2.8%.
Is CVE-2019-10431 actively exploited?
No confirmed active exploitation of CVE-2019-10431 as of 2026-05-30.
How do I remediate CVE-2019-10431?
Priority: MEDIUM. Advisory: https://jenkins.io/security/advisory/2019-10-01/#SECURITY-1579
What systems are affected by CVE-2019-10431?
CVE-2019-10431 affects Jenkins Script Security.
Vulnerability Details
CVE IDCVE-2019-10431
BSIDBS-2019-GLOBAL-203560-C BreachSpider Global ID
CVSS VectorCVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H
Published2019-10-01
Last Modified2024-11-21
ICS Relevance15%
Weakness (CWE)
Code Injection
Domains
CLOUD
SourceNVD
Official Description

A sandbox bypass vulnerability in Jenkins Script Security Plugin 1.64 and earlier related to the handling of default parameter expressions in constructors allowed attackers to execute arbitrary code in sandboxed scripts.

Source: NIST NVD / MITRE CVE Database

Attack Vector Analysis — CITED Relevance

Vulnerability details: A sandbox bypass vulnerability in Jenkins Script Security Plugin 1.64 and earlier related to the handling of default parameter expressions in constructors allowed attackers to execute arbitrary code in sandboxed scripts. CVSS vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H.

Exploitation Likelihood: LOW

Affected Products
VendorProductAffected Versions
Jenkins Script Security ≤ 1.64
Remediation
View Vendor Advisory →

Remediation Priority: MEDIUM

Threat Intelligence
● Threat Intelligence Validated: October 2026 | Threat Age: 2571 Days
CISA known-exploitedNot in KEV catalog
Public ExploitNot confirmed
PoC CodeNot confirmed
AI Enrichment Record — provenance & audit hash
Modelrule-based-v1
ConfidenceMEDIUM
Enriched At2026-05-24
SHA-512 Audit Hash8484350a05e3e2d2fd198abe2c7e633e8d2bd6d072754b779faad14c0808d6fef2aab13348cb0f996b79934854f29791e366dbe8cf17d7fcca55924636c6f920
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