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CVE-2026-91373

Type: advisorySource: Official CVE List1 source record

Vulnerability in Oracle Java SE (component: JSSE). Supported versions that are affected are Oracle Java SE: 8u503, 8u503-perf, 11.0.32.1, 17.0.20.1, 21.0.12.1, 25.0.4.1; Oracle GraalVM for JDK: 17.0.20.1 and 21.0.12.1; Oracle GraalVM Enterprise Edition: 21.3.19.1.1. Easily exploitable vulnerability allows unauthenticated attacker with network access via TLS to compromise Oracle Java SE. Successful attacks of this vulnerability can result in unauthorized ability to cause a partial denial of service (partial DOS) of Oracle Java SE. Note: This vulnerability can be exploited by using APIs in the specified Component, e.g., through a web service which supplies data to the APIs. This vulnerability also applies to Java deployments, typically in clients running sandboxed Java Web Start applications or sandboxed Java applets, that load and run untrusted code (e.g., code that comes from the internet) and rely on the Java sandbox for security. 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).

Announced Source revision 1
Original source ↗

CVE-2026-91373

Primary source · Revision 1

Imported from structured advisory data. Source references identify upstream records or fields; verify affected versions and your deployed configuration.

Security context

Source reference: cve:CVE-2026-91373

Oracle Java SE

Source reference: /containers/cna/affected/0/product

Affected versions
Not stated in this record
Fixed versions
Not stated in this record
Prerequisites
Not stated in this record

Structured affected-version data

Original package identities and version rules from this source.

[
  {
    "vendor": "Oracle Corporation",
    "product": "Oracle Java SE",
    "versions": [
      {
        "status": "affected",
        "version": "8u503"
      },
      {
        "status": "affected",
        "version": "8u503-perf"
      },
      {
        "status": "affected",
        "version": "11.0.32.1"
      },
      {
        "status": "affected",
        "version": "17.0.20.1"
      },
      {
        "status": "affected",
        "version": "21.0.12.1"
      },
      {
        "status": "affected",
        "version": "25.0.4.1"
      }
    ]
  }
]
Related CVEs
CVE-2026-91373

Source reference: /cveMetadata/cveId

Publisher severity

medium

Source reference: /containers/cna/metrics

Event
#52284 · Revision 1
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Publisher date
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