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Java CVE-2026-66713

| EUVDEUVD-2026-49849 CRITICAL
Deserialization of Untrusted Data (CWE-502)
2026-07-28 GHSA-fhh8-qfj4-g948
Java RCE Tomcat Deserialization Apache
9.8
CVSS 3.1 · Vendor
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Severity by source

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

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

CVSS VectorVendor

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Attack Vector
Network
Attack Complexity
Low
Privileges Required
None
User Interaction
None
Scope
Unchanged
Confidentiality
High
Integrity
High
Availability
High

Lifecycle Timeline

4
Patch released
Jul 29, 2026 - 04:00 NVD
Source Code Evidence Fetched
Jul 28, 2026 - 06:16 vuln.today
Analysis Generated
Jul 28, 2026 - 06:16 vuln.today
CVE Published
Jul 28, 2026 - 05:50 oss-security
CRITICAL

Description PRE-NVD

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

Articles & Coverage 2

News 4 New Apache Vulnerabilities - 1 Critical, 3 High Jul 29, 2026 News Critical Vulnerability in Tomcat - CVE-2026-66713 Jul 29, 2026

AnalysisAI

Remote code execution in Apache Axis2/Java through 2.0.0 arises from unsafe deserialization of Java objects in the optional Tribes clustering component, allowing unauthenticated remote attackers with network access to the clustering port to execute arbitrary code via crafted serialized payloads. The vulnerability is only exploitable when clustering is explicitly enabled, which is off by default. …

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CVE-2026-66713 vulnerability details – vuln.today
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