CVE-2026-47057: Vulnerability in Oracle Java SE (component: Scripting)

This month

HIGH 7.5REMOTEDOWNGRADEDOWNGRADE

CVE-2026-47057 is a high-severity flaw (CVSS 7.5) affecting jre, jdk. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

Vulnerability in Oracle Java SE (component: Scripting). Supported versions that are affected are Oracle Java SE: 8u491, 8u491-perf and 11.0.31. Easily exploitable vulnerability allows unauthenticated attacker with network access via multiple protocols to compromise Oracle Java SE. Successful attacks of this vulnerability can result in unauthorized ability to cause a hang or frequently repeatable crash (complete DOS) of Oracle Java SE. Note: Th

Why this priority

High severity
Remotely exploitable, no login, no user action

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

Risk facts

CVSS score	7.5 (High)
Attack vector	Network (remote)
Attack complexity	Low
Privileges needed	None
User interaction	None
EPSS exploit chance	0.5% (top 60%)
CISA exploited list	No
Weakness	CWE-400
Published	2026-07-21
Last modified	2026-10-24

Publisher (CNA): Oracle · Vendor: oracle

Last updated 2026-10-24 · Sources: CVE Program, NVD, CISA KEV, EPSS and vendor advisories · How we score

Am I affected?

Timeline

2026-07-21 22:17 UTCPublished CVE record published
2026-10-24 19:10 UTCUpdated Record last modified

oracle jre DOWNGRADE

Affected: 1.8.0 update491 · 11.0.31

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.

oracle jdk DOWNGRADE

Affected: 1.8.0 update491 · 11.0.31

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.

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-2026-47057?

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

Is CVE-2026-47057 being exploited?

CVE-2026-47057 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-2026-47057 affect?

CVE-2026-47057 affects jre, jdk. Severity is high (CVSS 7.5). Vulnerability in Oracle Java SE (component: Scripting). Supported versions that are affected are Oracle Java SE: 8u491, 8u491-perf and 11.0.31. Easily exploitable vulnerability allows unauthenticated attacker with network access via multi

How urgent is CVE-2026-47057?

Priority 41/100. High severity; Remotely exploitable, no login, no user action

Software pages

Java vulnerabilities

Related CVEs

CVE-2026-47058 HIGH 7.4 DOWNGRADE DOWNGRADE Vulnerability in Oracle Java SE (component: Scripting)
CVE-2026-47013 MEDIUM 5.3 DOWNGRADE DOWNGRADE Vulnerability in Oracle Java SE (component: JavaFX)
CVE-2026-46968 MEDIUM 5.9 DOWNGRADE DOWNGRADE Vulnerability in Oracle Java SE (component: JSSE)
CVE-2026-47027 MEDIUM 5.3 DOWNGRADE DOWNGRADE Vulnerability in Oracle Java SE (component: Libraries)
CVE-2026-60164 LOW 3.1 DOWNGRADE DOWNGRADE Vulnerability in Oracle Java SE (component: JavaFX)

References

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