CVE-2026-101516: Medium severity Oracle Java SE vulnerability

Published Oct 20, 2026
·
Updated

Vulnerability in the Oracle Java SE, Oracle GraalVM for JDK, Oracle GraalVM Enterprise Edition product of Oracle Java SE (component: Libraries). 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, 27; 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 multiple protocols to compromise Oracle Java SE, Oracle GraalVM for JDK, 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 for JDK, Oracle GraalVM Enterprise Edition accessible data as well as unauthorized read access to a subset of Oracle Java SE, Oracle GraalVM for JDK, 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 6.5 (Confidentiality and Integrity impacts). CVSS Vector: (CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:N).

Affected Software

46 affected componentsFixes available
Oracle Java SE=8u503, =8u503-perf, =11.0.32.1, =17.0.20.1, =21.0.12.1, =25.0.4.1, =27
Oracle GraalVM for JDK=17.0.20.1, =21.0.12.1
Oracle GraalVM Enterprise Edition=21.3.19.1.1
alpine/openjdk25<25.0.5.0.3_p1-r0
25.0.5.0.3_p1-r0
alpine/openjdk25<25.0.5.0.3_p1-r0
25.0.5.0.3_p1-r0
debian/openjdk-17*
debian/openjdk-21<21.0.13+9-1~deb13u2
21.0.13+9-1~deb13u2
debian/openjdk-21<21.0.13+9-1
21.0.13+9-1
debian/openjdk-25<25.0.5+8-1~deb13u1
25.0.5+8-1~deb13u1
debian/openjdk-25<25.0.5+8-1
25.0.5+8-1
ubuntu/openjdk-8*
ubuntu/openjdk-9*
ubuntu/openjdk-lts*
ubuntu/openjdk-17*
ubuntu/openjdk-8*
ubuntu/openjdk-lts*
ubuntu/openjdk-13*
ubuntu/openjdk-16*
ubuntu/openjdk-17*
ubuntu/openjdk-21*
ubuntu/openjdk-8*
ubuntu/openjdk-17*
ubuntu/openjdk-21*
ubuntu/openjdk-8*
ubuntu/openjdk-lts*
ubuntu/openjdk-17*
ubuntu/openjdk-21*
ubuntu/openjdk-8*
ubuntu/openjdk-lts*
ubuntu/openjdk-17*
ubuntu/openjdk-17-crac*
ubuntu/openjdk-21*
ubuntu/openjdk-21-crac*
ubuntu/openjdk-8*
ubuntu/openjdk-lts*
ubuntu/openjdk-17*
ubuntu/openjdk-17-crac*
ubuntu/openjdk-21*
ubuntu/openjdk-21-crac*
ubuntu/openjdk-8*
ubuntu/openjdk-lts*
debian/openjdk-11<=11.0.33+9-1
debian/openjdk-17<=17.0.19+10-1~deb12u2, <=17.0.21+9-1~deb12u1
17.0.21.0.3+1-1
debian/openjdk-21<=21.0.12.1+1-1~deb13u1
21.0.13+9-1~deb13u221.0.13.0.3+1-1
debian/openjdk-25<=25.0.3+9-2~deb13u1
25.0.5+8-1~deb13u125.0.5+8-125.0.5.0.3+1-1
debian/openjdk-8
8u512-ga-1

Remediation

Recommended actions to resolve this vulnerability, in priority order.

  1. Upgrade

    Upgrade alpine/openjdk25 to a version that resolves this vulnerability.

    Fixed in 25.0.5.0.3_p1-r0
  2. Upgrade

    Upgrade debian/openjdk-21 to a version that resolves this vulnerability.

    Fixed in 21.0.13+9-1~deb13u2
  3. Upgrade

    Upgrade debian/openjdk-21 to a version that resolves this vulnerability.

    Fixed in 21.0.13+9-1
  4. Upgrade

    Upgrade debian/openjdk-25 to a version that resolves this vulnerability.

    Fixed in 25.0.5+8-1~deb13u1
  5. Upgrade

    Upgrade debian/openjdk-25 to a version that resolves this vulnerability.

    Fixed in 25.0.5+8-1
  6. Upgrade

    Upgrade debian/openjdk-17 to a version that resolves this vulnerability.

    Fixed in 17.0.21.0.3+1-1
  7. Upgrade

    Upgrade debian/openjdk-21 to a version that resolves this vulnerability.

    Fixed in 21.0.13+9-1~deb13u2Fixed in 21.0.13.0.3+1-1
  8. Upgrade

    Upgrade debian/openjdk-25 to a version that resolves this vulnerability.

    Fixed in 25.0.5+8-1~deb13u1Fixed in 25.0.5+8-1Fixed in 25.0.5.0.3+1-1
  9. Upgrade

    Upgrade debian/openjdk-8 to a version that resolves this vulnerability.

    Fixed in 8u512-ga-1

Event History

Oct 20, 2026
CVE Published
via Ubuntu·12:00 AM
Data Sourced
via Ubuntu·12:00 AM
RemedyDescriptionSeverityAffected Software
CVE Published
via MITRE·09:21 PM
Data Sourced
via MITRE·09:21 PM
DescriptionSeverity
Data Sourced
via NVD·10:18 PM
DescriptionSeverity
Data Sourced
via OSV·10:18 PM
DescriptionSeverityAffected Software
Data Sourced
via Red Hat·11:08 PM
DescriptionSeverityAffected Software
Nov 6, 2026
Data Sourced
via NVD·08:17 PM
Weakness

Parent advisories

This vulnerability appears in the following advisories.

Frequently Asked Questions

1

Which deployments are most exposed?

Network-accessible applications or web services that pass attacker-controlled data to the affected Libraries APIs are exposed. Client Java deployments running sandboxed Java Web Start applications or sandboxed Java applets are also affected.

2

Does exploitation require authentication or user interaction?

No. The vulnerability is described as easily exploitable by an unauthenticated attacker with network access via multiple protocols, and the vector indicates no user interaction is required.

3

What impact can a successful attack have?

An attacker may gain unauthorized update, insert, or delete access to some accessible data, along with unauthorized read access to a subset of accessible data. The stated impact does not include availability loss.

4

Which versions are identified as affected?

Affected Oracle Java SE versions are 8u503, 8u503-perf, 11.0.32.1, 17.0.20.1, 21.0.12.1, 25.0.4.1, and 27. Affected GraalVM versions are GraalVM for JDK 17.0.20.1 and 21.0.12.1, and GraalVM Enterprise Edition 21.3.19.1.1.

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