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CVE-2026-47059: Vulnerability in the Oracle Java SE, Oracle GraalVM for JDK, Oracle GraalVM Enterprise Edition product of Orac

24
Routine
LOW 3.7REMOTEDOWNGRADEDOWNGRADEDOWNGRADE

CVE-2026-47059 is a low-severity flaw (CVSS 3.7) affecting jdk, graalvm, graalvm for jdk. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

Vulnerability in the Oracle Java SE, Oracle GraalVM for JDK, Oracle GraalVM Enterprise Edition product of Oracle Java SE (component: 2D). 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 multiple pr

Why this priority

  • Remotely exploitable, no login, no user action

No fix is published yet: follow the downgrade or mitigation steps.

Risk facts

CVSS score3.7 (Low)
Attack vectorNetwork (remote)
Attack complexityHigh
Privileges neededNone
User interactionNone
EPSS exploit chance0.3% (top 77%)
CISA exploited listNo
WeaknessCWE-284
Published2026-07-21
Last modified2026-08-03
Publisher (CNA): Oracle · Vendor: oracle

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Last updated 2026-08-03 · Sources: CVE Program, NVD, CISA KEV, EPSS and vendor advisories · How we score

Am I affected?

Timeline

oracle jdk DOWNGRADE
Affected: 1.8.0 update491 · 11.0.31 · 17.0.19 · 21.0.11 · 25.0.3 · 26.0.1
Fixed in: no fixed release known
Safe to downgrade to: a release before 1.8.0
1. Check installed version
apt-cache policy jdk || rpm -q jdk || jdk --version
2. No fixed release: DOWNGRADE to a release before 1.8.0 (Debian / Ubuntu)
apt-cache madison jdk sudo apt install jdk=<VERSION_BEFORE_1.8.0> sudo apt-mark hold jdk
2. No fixed release: DOWNGRADE (RHEL / Amazon Linux / Fedora)
dnf --showduplicates list jdk sudo dnf downgrade jdk-<VERSION_BEFORE_1.8.0> sudo dnf versionlock add jdk
Downgrade risk
Downgrading can break dependent software and may reopen older bugs. Read the distro advisory first and test on a non-production host.
After downgrade
Restart the service, and keep the package held until a fixed release ships.
oracle graalvm DOWNGRADE
Affected: 21.3.18
Fixed in: no fixed release known
Safe to downgrade to: a release before 21.3.18
1. Check installed version
apt-cache policy graalvm || rpm -q graalvm || graalvm --version
2. No fixed release: DOWNGRADE to a release before 21.3.18 (Debian / Ubuntu)
apt-cache madison graalvm sudo apt install graalvm=<VERSION_BEFORE_21.3.18> sudo apt-mark hold graalvm
2. No fixed release: DOWNGRADE (RHEL / Amazon Linux / Fedora)
dnf --showduplicates list graalvm sudo dnf downgrade graalvm-<VERSION_BEFORE_21.3.18> sudo dnf versionlock add graalvm
Downgrade risk
Downgrading can break dependent software and may reopen older bugs. Read the distro advisory first and test on a non-production host.
After downgrade
Restart the service, and keep the package held until a fixed release ships.
oracle graalvm for jdk DOWNGRADE
Affected: 17.0.19 · 21.0.11
Fixed in: no fixed release known
Safe to downgrade to: a release before 17.0.19
1. Check installed version
apt-cache policy graalvm-for-jdk || rpm -q graalvm-for-jdk || graalvm-for-jdk --version
2. No fixed release: DOWNGRADE to a release before 17.0.19 (Debian / Ubuntu)
apt-cache madison graalvm-for-jdk sudo apt install graalvm-for-jdk=<VERSION_BEFORE_17.0.19> sudo apt-mark hold graalvm-for-jdk
2. No fixed release: DOWNGRADE (RHEL / Amazon Linux / Fedora)
dnf --showduplicates list graalvm-for-jdk sudo dnf downgrade graalvm-for-jdk-<VERSION_BEFORE_17.0.19> sudo dnf versionlock add graalvm-for-jdk
Downgrade risk
Downgrading can break dependent software and may reopen older bugs. Read the distro advisory first and test on a non-production host.
After downgrade
Restart the service, and keep the package held until a fixed release ships.
oracle jre DOWNGRADE
Affected: 1.8.0 update491 · 11.0.31 · 17.0.19 · 21.0.11 · 25.0.3 · 26.0.1
Fixed in: no fixed release known
Safe to downgrade to: a release before 1.8.0
1. Check installed version
apt-cache policy jre || rpm -q jre || jre --version
2. No fixed release: DOWNGRADE to a release before 1.8.0 (Debian / Ubuntu)
apt-cache madison jre sudo apt install jre=<VERSION_BEFORE_1.8.0> sudo apt-mark hold jre
2. No fixed release: DOWNGRADE (RHEL / Amazon Linux / Fedora)
dnf --showduplicates list jre sudo dnf downgrade jre-<VERSION_BEFORE_1.8.0> sudo dnf versionlock add jre
Downgrade risk
Downgrading can break dependent software and may reopen older bugs. Read the distro advisory first and test on a non-production host.
After downgrade
Restart the service, and keep the package held until a fixed release ships.
Verify at the official source NVD · CVE Program · Report a problem with this page
Scores and fixes here are computed automatically from those and other public sources. Confirm with the vendor advisory before changing production systems.

Quick answers

How do I fix CVE-2026-47059?

jdk: downgrade or apply the listed mitigation; graalvm: downgrade or apply the listed mitigation; graalvm for jdk: downgrade or apply the listed mitigation. Exact commands for each OS are on this page.

Is CVE-2026-47059 being exploited?

CVE-2026-47059 is not on the CISA Known Exploited Vulnerabilities list at the time of the last update. Check again, as this can change.

What does CVE-2026-47059 affect?

CVE-2026-47059 affects jdk, graalvm, graalvm for jdk. Severity is low (CVSS 3.7). Vulnerability in the Oracle Java SE, Oracle GraalVM for JDK, Oracle GraalVM Enterprise Edition product of Oracle Java SE (component: 2D). Supported versions that are affected are Oracle Java SE: 8u491, 8u491-perf, 11.0.31, 17.0.19, 21.0.11

How urgent is CVE-2026-47059?

Priority 24/100. Remotely exploitable, no login, no user action

Software pages

Java vulnerabilities

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References

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