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Vulnerability · Published Oct 20, 2026 · Assigned by oracle

CVE-2026-91381

Low 3.7

In plain English

A low-severity improper access control in Oracle GraalVM Enterprise Edition from Oracle Corporation. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 0.2% (higher than 14% of all known vulnerabilities). Fixed versions are available - upgrade the affected package.

Severity (CVSS 3.1)3.7Low
Exploit odds (30 days)0.2%top 85.8% of all CVEs
Exploited in the wildNo reportsCISA SSVC: none
Attack toolingNoneno public tooling known

Official description

Vulnerability in the Oracle Java SE, Oracle GraalVM Enterprise Edition product of Oracle Java SE (component: 2D). Supported versions that are affected are Oracle Java SE: 8u503 and 8u503-perf; Oracle GraalVM Enterprise Edition: 21.3.19.1.1. Difficult to exploit vulnerability allows unauthenticated attacker with network access via multiple protocols to compromise Oracle Java SE, Oracle GraalVM Enterprise Edition. Successful attacks of this vulnerability can result in unauthorized update, insert or delete access to some of Oracle Java SE, Oracle GraalVM Enterprise Edition accessible data. 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 3.7 (Integrity impacts). CVSS Vector: (CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:L/A:N).

Affected packages & fixed versions

EcosystemPackageFixed inAdvisory
Alpine:v3.23openjdk2121.0.13.0.3_p1-r0ALPINE-CVE-2026-91381
Alpine:v3.24openjdk2121.0.13.0.3_p1-r0ALPINE-CVE-2026-91381
Ubuntu:22.04:LTSopenjdk-17no fix listedUBUNTU-CVE-2026-91381
Ubuntu:24.04:LTSopenjdk-17no fix listedUBUNTU-CVE-2026-91381
Ubuntu:26.04:LTSopenjdk-17no fix listedUBUNTU-CVE-2026-91381
Ubuntu:26.10openjdk-17no fix listedUBUNTU-CVE-2026-91381
Ubuntu:26.04:LTSopenjdk-17-cracno fix listedUBUNTU-CVE-2026-91381
Ubuntu:26.10openjdk-17-cracno fix listedUBUNTU-CVE-2026-91381
Ubuntu:22.04:LTSopenjdk-18no fix listedUBUNTU-CVE-2026-91381
Ubuntu:22.04:LTSopenjdk-21no fix listedUBUNTU-CVE-2026-91381
Ubuntu:24.04:LTSopenjdk-21no fix listedUBUNTU-CVE-2026-91381
Ubuntu:26.04:LTSopenjdk-21no fix listedUBUNTU-CVE-2026-91381
Ubuntu:26.10openjdk-21no fix listedUBUNTU-CVE-2026-91381
Ubuntu:26.04:LTSopenjdk-21-cracno fix listedUBUNTU-CVE-2026-91381
Ubuntu:26.10openjdk-21-cracno fix listedUBUNTU-CVE-2026-91381
Ubuntu:22.04:LTSopenjdk-25no fix listedUBUNTU-CVE-2026-91381
Ubuntu:24.04:LTSopenjdk-25no fix listedUBUNTU-CVE-2026-91381
Ubuntu:26.04:LTSopenjdk-25no fix listedUBUNTU-CVE-2026-91381
Ubuntu:26.10openjdk-25no fix listedUBUNTU-CVE-2026-91381
Ubuntu:22.04:LTSopenjdk-8no fix listedUBUNTU-CVE-2026-91381
Ubuntu:24.04:LTSopenjdk-8no fix listedUBUNTU-CVE-2026-91381
Ubuntu:26.04:LTSopenjdk-8no fix listedUBUNTU-CVE-2026-91381
Ubuntu:26.10openjdk-8no fix listedUBUNTU-CVE-2026-91381
Ubuntu:22.04:LTSopenjdk-ltsno fix listedUBUNTU-CVE-2026-91381
Ubuntu:26.04:LTSopenjdk-ltsno fix listedUBUNTU-CVE-2026-91381
Ubuntu:26.10openjdk-ltsno fix listedUBUNTU-CVE-2026-91381

Affected products (as reported)

VendorProductVersions
Oracle Corporation Oracle Java SE 8u5038u503-perf
Oracle Corporation Oracle GraalVM Enterprise Edition 21.3.19.1.1

Weakness: CWE-284 · Vector: CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:L/A:N

References