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Jenkins TICS Plugin CVE-2026-84675

| EUVDEUVD-2026-70148 HIGH
OS Command Injection (CWE-78)
2026-09-02 jenkins GHSA-2g8p-r374-fc4m
7.4
CVSS 3.1 · Vendor: jenkins
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Severity by source

Vendor (jenkins) PRIMARY
7.4 HIGH
AV:N/AC:L/PR:L/UI:N/S:C/C:L/I:L/A:L
vuln.today AI
9.9 CRITICAL

OS command injection yields full agent-node compromise (C:H/I:H/A:H); PR:L required for job-configuration access; S:C because impact falls on the agent, not the controller.

3.1 AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H
4.0 AV:N/AC:L/AT:N/PR:L/UI:N/VC:N/VI:N/VA:N/SC:H/SI:H/SA:H

Primary rating from Vendor (jenkins).

CVSS VectorVendor: jenkins

Attack Vector
Network
Attack Complexity
Low
Privileges Required
Low
User Interaction
None
Scope
Changed
Confidentiality
Low
Integrity
Low
Availability
Low

Lifecycle Timeline

4
Analysis Generated
Sep 02, 2026 - 18:40 vuln.today
CVSS changed
Sep 02, 2026 - 17:22 NVD
7.4 (HIGH)
CVE Published
Sep 02, 2026 - 15:40 cve.org
HIGH 7.4
CVE Published
Sep 02, 2026 - 15:40 cve.org
UNKNOWN (no severity yet)

DescriptionCVE.org

OS command injection vulnerability in Jenkins TICS Plugin 2025.1.1 and earlier allows attackers able to control build environment variable values to execute arbitrary commands on the agent running the build.

AnalysisAI

OS command injection in Jenkins TICS Plugin 2025.1.1 and earlier allows an authenticated, low-privileged Jenkins user who can control build environment variable values to execute arbitrary commands on the build agent hosting the job. The flaw stems from unsanitized environment variable values being passed directly to OS command invocations within the plugin, and the scope change (S:C) means impact falls on the agent node rather than the Jenkins controller. …

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Attack ChainAIDerived

Hypothetical attack flow derived from CVE metadata

Access
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Delivery
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Exploit
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Execution
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Persist
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Impact
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Vulnerability AssessmentAI

Exploitation The attacker must hold a Jenkins account with sufficient permissions to control build environment variable values - this includes users who can edit job configurations, trigger parameterized builds with custom variable inputs, or inject variables through other Jenkins mechanisms (shared libraries, global properties if writable). … Additional conditions and limiting factors are described in the full assessment.
Risk Assessment The vendor-assigned CVSS 7.4 vector (AV:N/AC:L/PR:L/UI:N/S:C/C:L/I:L/A:L) requires low privilege but no other special complexity. … Full risk analysis with EPSS, KEV, and SSVC signal comparison available after sign-in.
Exploit Scenario Full exploit scenario with step-by-step reproduction available after sign-in.
Remediation Upgrade the Jenkins TICS Plugin to a version beyond 2025.1.1 per the vendor advisory at https://www.jenkins.io/security/advisory/2026-09-02/#SECURITY-3987. … Detailed patch versions, workarounds, and compensating controls in full report.

Recommended ActionAI

Within 24 hours, identify all Jenkins deployments using TICS Plugin 2025.1.1 or earlier and audit which user roles can create or modify build jobs and set environment variables. …

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CVE-2026-84675 vulnerability details – vuln.today

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