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Java EUVDEUVD-2026-80052

| CVE-2026-83357 HIGH
Path Traversal (CWE-22)
2026-09-15 secalert_us@oracle.com GHSA-hc58-mhwq-g2rf
Java Path Traversal Oracle
8.1
CVSS 3.1 · Vendor: oracle
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Vulnerability Assessment

Weakness
CWE
CWE-22
OWASP Top 10:2025
A01:2025 - Broken Access Control
ASVS 5.0
V5 - File Handling Path canonicalization, traversal prevention
MITRE ATT&CK

2 techniques across 2 tactics: Discovery, Collection

The technique list with ATT&CK links and the kill-chain view is part of the Basic plan and up.

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This Week Schedule remediation this week. Why: HIGH severity (CVSS 7.0-8.9).
No patch listed yet 0.3% exploitation probability (EPSS)

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AnalysisAIv1 – Sep 15, 2026

Remote compromise of Oracle GraalVM for JDK is achievable through a flaw in the bundled Compiler component, where a crafted attack delivered over HTTP can lead to full takeover of the affected runtime with high confidentiality, integrity, and availability impact. The vulnerability affects Oracle GraalVM for JDK 17 version 23.0.13.1, Oracle GraalVM for JDK 21 version 23.1.12.1, and Oracle GraalVM 25.0.4.1, and Oracle explicitly rates it as 'difficult to exploit' (CVSS 3.1 AC:H) despite an 8.1 base score and no authentication requirement. No CISA KEV listing, EPSS score, or public exploit code was provided in the source data, so active exploitation is not confirmed at time of analysis.

Affected VersionsENISA

Oracle GraalVM for JDK, Oracle GraalVM Oracle GraalVM for JDK 21:23.1.12.1
Oracle GraalVM for JDK, Oracle GraalVM Oracle GraalVM for JDK 17:23.0.13.1
Oracle GraalVM for JDK, Oracle GraalVM Oracle GraalVM:25.0.4.1

Affects your stack

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  • Exploit and PoC references, threat intelligence from 22 sources
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Severity by source

Vendor (oracle) PRIMARY 8.1 HIGH
AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H
ENISA EUVD HIGH

Primary rating from Vendor (oracle).

CVSS VectorVendor: oracle

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

DescriptionCVE.org

Vulnerability in the Oracle GraalVM for JDK, Oracle GraalVM product of Oracle Java SE (component: Compiler). The supported version that is affected is Oracle GraalVM for JDK 17: 23.0.13.1; Oracle GraalVM for JDK 21: 23.1.12.1; Oracle GraalVM: 25.0.4.1. Difficult to exploit vulnerability allows unauthenticated attacker with network access via HTTP to compromise Oracle GraalVM for JDK, Oracle GraalVM. Successful attacks of this vulnerability can result in takeover of Oracle GraalVM for JDK, Oracle GraalVM. CVSS 3.1 Base Score 8.1 (Confidentiality, Integrity and Availability impacts). CVSS Vector: (CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H).

Threat Intelligence Overview

EPSS Score
0.3%
Top 77% exploitable
Threat Intel
1
1 source
Data Quality
6 sources
Confidence: High
EUVD NVD CVE.org EPSS NCSC-NL VulDB

How this decision was reached

The engine reads each signal below and applies a fixed list of rules from top to bottom. The first rule that matches sets the recommended action – like a statement, every line is shown.

SignalValue
Severity HIGH
CISA KEV No
Public POC No
EPSS 0.3%
Patch available No
Active threat No
Deciding rule
HIGH severity (CVSS 7.0-8.9)
What every action level means
Emergency Immediate action required. Criteria: CRITICAL + in CISA KEV (actively exploited) without patch, OR CRITICAL + EPSS > 30% without patch, OR CRITICAL + active threat signals without patch.
Act Now Prioritize within 24-48h. Criteria: in KEV with patch available, OR CRITICAL + public POC, OR HIGH + EPSS > 10%, OR CRITICAL + active threat, OR any CRITICAL severity.
This Week Schedule remediation this week. Criteria: HIGH severity (CVSS 7.0-8.9). Patch within normal change window.
This Month Plan within 30 days. Criteria: MEDIUM severity (CVSS 4.0-6.9), lower exploitation probability. Include in regular patch cycle.
Monitor Track and reassess. Criteria: LOW severity (CVSS 0.1-3.9), minimal exploitation risk. No immediate action needed.

SSVC AssessmentENISA

SSVC Decision· derived
Scheduled
Exploitation· derived
None
System Exposure· derived
Open
Automatable· derived
No
Human Impact· derived
Medium

Priority Score

45
Low Medium High Critical
KEV: 0
EPSS: 0
CVSS: +40
PoC: 0
Weaponized: 0
Threat intel: 0
Gov advisory: +5

Attack Technique

Path Traversal HIGH

Path traversal exploits occur when applications use user-controlled input to construct file system paths without proper validation.

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References

Advisories & patches
ADVISORY https://nvd.nist.gov/vuln/detail/CVE-2026-83357 ADVISORY https://vuldb.com/vuln/404984 REF https://www.oracle.com/security-alerts/cspusep2026.html

Search Externally

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