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Oracle Java SE CVE-2026-70907

| EUVDEUVD-2026-61856 MEDIUM
Improper Access Control (CWE-284)
2026-08-18 secalert_us@oracle.com GHSA-x2cm-pmmm-v6xc
Denial Of Service Oracle Java Authentication Bypass Red Hat Suse
5.3
CVSS 3.1 · Vendor: oracle
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Severity by source

Vendor (oracle) PRIMARY
5.3 MEDIUM
AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L
vuln.today AI
5.3 MEDIUM

Network-accessible TLS endpoint, no auth or interaction required, impact is partial availability only with no scope change.

3.1 AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L
4.0 AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N
SUSE
MEDIUM
qualitative
Red Hat
5.3 MEDIUM
qualitative

Primary rating from Vendor (oracle).

CVSS VectorVendor: oracle

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

Lifecycle Timeline

2
Analysis Generated
Aug 19, 2026 - 05:20 vuln.today
CVE Published
Aug 18, 2026 - 21:17 nvd
MEDIUM 5.3

DescriptionCVE.org

Vulnerability in the Oracle Java SE, Oracle GraalVM for JDK, Oracle GraalVM Enterprise Edition product of Oracle Java SE (component: JSSE). 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. Easily exploitable vulnerability allows unauthenticated attacker with network access via TLS to compromise Oracle Java SE, Oracle GraalVM for JDK, Oracle GraalVM Enterprise Edition. Successful attacks of this vulnerability can result in unauthorized ability to cause a partial denial of service (partial DOS) of Oracle Java SE, Oracle GraalVM for JDK, Oracle GraalVM Enterprise Edition. 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 5.3 (Availability impacts). CVSS Vector: (CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L).

AnalysisAI

Partial denial-of-service in Oracle Java SE's JSSE component allows unauthenticated remote attackers to degrade availability of applications using TLS APIs across a broad range of supported Java versions. Affected releases span Java SE 8 through 26, GraalVM for JDK 17 and 21, and GraalVM Enterprise Edition 21.3.19, making this a wide-blast-radius availability issue for the Java ecosystem. …

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Attack ChainAIDerived

Hypothetical attack flow derived from CVE metadata

Access
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Exploit
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Execution
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Impact
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Vulnerability AssessmentAI

Exploitation The target application must be running one of the explicitly listed affected versions of Oracle Java SE (8u501, 11.0.32, 17.0.20, 21.0.12, 25.0.4, 26.0.2), GraalVM for JDK (17.0.20, 21.0.12), or GraalVM Enterprise Edition (21.3.19). … Additional conditions and limiting factors are described in the full assessment.
Risk Assessment The CVSS 3.1 base score of 5.3 (Medium) reflects a low-complexity, network-accessible, unauthenticated vector (AV:N/AC:L/PR:N/UI:N) but with limited availability impact (A:L) and no confidentiality or integrity 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 Critical Security Patch Update (CPU) for August 2026, available at https://www.oracle.com/security-alerts/cspuaug2026.html, which addresses this vulnerability for all affected Java SE and GraalVM versions. … Detailed patch versions, workarounds, and compensating controls in full report.
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Same weakness CWE-284 – Improper Access Control

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Vendor StatusVendor

SUSE

Severity: Moderate
Product Status
SUSE Liberty Linux 10 Fixed
SUSE Liberty Linux 8 Fixed
SUSE Liberty Linux 9 Fixed
SUSE Linux Enterprise Desktop 15 SP7 Affected
SUSE Linux Enterprise Desktop 15 SP7 Affected

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CVE-2026-70907 vulnerability details – vuln.today
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