Severity by source
AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:N/A:N
Network-reachable via web service APIs with no authentication required, but high complexity constraint limits exploitation; only partial confidentiality loss with no integrity or availability impact confirmed.
Primary rating from Vendor (oracle).
CVSS VectorVendor: oracle
Lifecycle Timeline
2DescriptionCVE.org
Vulnerability in the Oracle Java SE, Oracle GraalVM for JDK, Oracle GraalVM Enterprise Edition product of Oracle Java SE (component: Security). Supported versions that are affected are Oracle Java SE: 8u501, 11.0.32, 17.0.20, 21.0.12, 25.0.4, 26.0.2; Oracle GraalVM for JDK: 17.0.20 and 21.0.12; Oracle GraalVM Enterprise Edition: 21.3.19. Difficult to exploit vulnerability allows unauthenticated attacker with network access via multiple protocols to compromise Oracle Java SE, Oracle GraalVM for JDK, Oracle GraalVM Enterprise Edition. Successful attacks of this vulnerability can result in unauthorized read access to a subset of Oracle Java SE, Oracle GraalVM for JDK, Oracle GraalVM Enterprise Edition accessible data. Note: This vulnerability can only be exploited by supplying data to APIs in the specified Component without using Untrusted Java Web Start applications or Untrusted Java applets, such as through a web service. CVSS 3.1 Base Score 3.7 (Confidentiality impacts). CVSS Vector: (CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:N/A:N).
AnalysisAI
Oracle Java SE's Security component across all current LTS and preview releases - versions 8u501 through 26.0.2 - along with GraalVM for JDK and GraalVM Enterprise Edition, permits unauthenticated remote attackers to read a limited subset of data via crafted API inputs delivered through web services. Despite the network-accessible, zero-authentication vector (AV:N/PR:N/UI:N), the high attack complexity (AC:H) and confined confidentiality impact (C:L) constrain real-world risk, yielding a CVSS 3.1 base score of 3.7. …
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Attack ChainAIDerived
Hypothetical attack flow derived from CVE metadata
Vulnerability AssessmentAI
| Exploitation | Exploitation requires network access to a server-side web service that directly exposes attacker-supplied data to Oracle Java's Security component APIs - the vulnerability explicitly cannot be triggered through Untrusted Java Web Start applications or Untrusted Java applets. … Additional conditions and limiting factors are described in the full assessment. |
| Risk Assessment | The CVSS 3.1 score of 3.7 (Low) accurately reflects the balance of a network-reachable, zero-authentication flaw against the substantial AC:H complexity barrier and narrow C:L impact. … 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 | Apply Oracle's August 2026 Critical Patch Update, available through the Oracle Security Alerts portal at https://www.oracle.com/security-alerts/cspuaug2026.html. … Detailed patch versions, workarounds, and compensating controls in full report. |
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External POC / Exploit Code
Leaving vuln.today
EUVD-2026-61389
GHSA-47g6-3p6h-6cpc