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Jenkins Plugins CVE-2026-70437

| EUVDEUVD-2026-53531 LOW
Observable Timing Discrepancy (CWE-208)
2026-08-05 GHSA-298v-p382-mwvw
Jenkins Information Disclosure
3.7
CVSS 3.1 · Vendor

Severity by source

Vendor (CNA) PRIMARY
3.7 LOW
AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:N/A:N

Primary rating from Vendor (CNA) · only source for this CVE.

CVSS VectorVendor

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

Lifecycle Timeline

4
Severity Changed
Aug 06, 2026 - 16:22 NVD
CRITICAL LOW
CVSS changed
Aug 06, 2026 - 16:22 NVD
3.7 (CRITICAL) 3.7 (LOW)
Analysis Generated
Aug 05, 2026 - 16:18 vuln.today
CVE Published
Aug 05, 2026 - 14:02 oss-security
CRITICAL

Description PRE-NVD

Disclosed via oss-security. NVD scoring and full description are pending.

Articles & Coverage 1

News Critical RCE in Jenkins Core - CVE-2026-70437 Aug 06, 2026

AnalysisAI

CVE-2026-70437 is part of the Jenkins project's August 5, 2026 security advisory (jenkins.io/security/advisory/2026-08-05/), which addressed vulnerabilities across Jenkins core and at least ten plugins. The specific description for CVE-2026-70437 was not included in the provided data excerpt - the source text enumerates CVE-2026-70426 through CVE-2026-70435 before truncating. …

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Vulnerability AssessmentAI

Exploitation Exploitation conditions for CVE-2026-70437 specifically cannot be determined - the CVE description was not included in the provided data. … Additional conditions and limiting factors are described in the full assessment.
Risk Assessment No CVSS score, CVSS vector, CWE, EPSS score, KEV status, or POC status was provided for CVE-2026-70437 specifically. … 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 Jenkins core to version 2.576 (weekly) or 2.568.2 (LTS) immediately, as the core fixes address multiple high-severity issues including deserialization bypass and arbitrary file write. … Detailed patch versions, workarounds, and compensating controls in full report.
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CVE-2026-70437 vulnerability details – vuln.today
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