CVE-2026-46968
MediumCVSS 5.9Exploitation Probability (EPSS)
Low risk20th percentile - higher than 20% of all known CVEs
Summary
Vulnerability in Oracle Java SE (component: JSSE) in multiple versions including 8u491, 11.0.31, 17.0.19, 21.0.11, 25.0.3, 26.0.1 and GraalVM. Difficult to exploit, an unauthenticated attacker via TLS can gain unauthorized access to critical data (creation, deletion, modification).
Risk Assessment
Risk includes compromise of data integrity in Oracle Java SE, potentially leading to unauthorized changes to critical system data.
Recommendation
Apply patches provided by Oracle for all affected versions immediately and restrict network access to services using JSSE.
Other vulnerabilities in Oracle Java SE
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Unspecified vulnerability in Oracle Java SE 6u81, 7u67, and 8u20, when running on Firefox, allows remote attackers to affect confidentiality, integrity, and availability via unknown vectors related to Deployment.
Original NVD description (English source)
Vulnerability in Oracle Java SE (component: JSSE). Supported versions that are affected are Oracle Java SE: 8u491, 8u491-perf, 11.0.31, 17.0.19, 21.0.11, 25.0.3, 26.0.1; Oracle GraalVM for JDK: 17.0.19 and 21.0.11; Oracle GraalVM Enterprise Edition: 21.3.18. Difficult to exploit vulnerability allows unauthenticated attacker with network access via TLS to compromise Oracle Java SE. Successful attacks of this vulnerability can result in unauthorized creation, deletion or modification access to critical data or all Oracle Java SE 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 5.9 (Integrity impacts). CVSS Vector: (CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:H/A:N).