EUVD-2026-62221
GHSA-3r2x-33h3-cm5q
Severity by source
CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:L/VI:L/VA:L/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X
Network socket is directly reachable with no authentication per CVSS 4.0 PR:N; scope unchanged as subsequent-system metrics are all N; C/I/A held at Low matching 4.0 VC/VI/VA absent confirmed gadget-chain RCE.
Primary rating from Vendor (VulDB).
CVSS VectorVendor: VulDB
CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:L/VI:L/VA:L/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X
Lifecycle Timeline
1DescriptionCVE.org
A vulnerability was found in SPLWare esProc up to 20260507. This affects the function ObjectInputStream.readUnshared of the file src/main/java/com/scudata/parallel/SocketData.java. Performing a manipulation results in deserialization. Remote exploitation of the attack is possible.
AnalysisAI
Unsafe Java deserialization in SPLWare esProc through version 20260507 exposes a network-accessible socket endpoint to remote, unauthenticated object injection. The vulnerable class ObjectInputStream.readUnshared in SocketData.java processes attacker-controlled serialized data without validation, enabling arbitrary object graph instantiation. …
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Attack ChainAIDerived
Hypothetical attack flow derived from CVE metadata
Vulnerability AssessmentAI
| Exploitation | The esProc parallel socket service (`SocketData.java`) must be network-accessible to the attacker - this is the primary limiting condition. … Additional conditions and limiting factors are described in the full assessment. |
| Risk Assessment | The CVSS 4.0 vector (AV:N/AC:L/AT:N/PR:N/UI:N) confirms unauthenticated, low-complexity remote exploitation with no attack prerequisites, which is a worst-case access profile. … Full risk analysis with EPSS, KEV, and SSVC signal comparison available after sign-in. |
| Exploit Scenario | An unauthenticated attacker with network access to the esProc socket port sends a crafted Java serialized payload to the `SocketData` listener. When `ObjectInputStream.readUnshared()` processes the payload, it instantiates attacker-chosen classes from the JVM classpath. … |
| Remediation | The primary remediation is to upgrade esProc beyond build 20260507 once SPLWare releases a patched version; however, no specific fixed release version has been independently confirmed from the available data - monitor the official GitHub repository (https://github.com/SPLWare/esProc/) and issue #67 for a tagged patched release. … Detailed patch versions, workarounds, and compensating controls in full report. |
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Same weakness CWE-502 – Deserialization of Untrusted Data
View allSame technique Deserialization
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External POC / Exploit Code
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