CVE-2026-92142: Apache Karaf exposes a JMX MBeanServer guarded by KarafMBeanServerGuard, which enforces role-based access cont

Q: How do I fix CVE-2026-92142?

karaf: upgrade to 4.4.12. Exact commands for each OS are on this page.

Q: Is CVE-2026-92142 being exploited?

CVE-2026-92142 is not on the CISA Known Exploited Vulnerabilities list at the time of the last update. Check again, as this can change.

Q: What does CVE-2026-92142 affect?

CVE-2026-92142 affects karaf. Severity is high (CVSS 8.8). Apache Karaf exposes a JMX MBeanServer guarded by KarafMBeanServerGuard, which enforces role-based access control (RBAC) on MBean operations invoked over the remote JMX connector (RMI registry/server, enabled by default on ports 1099 and 44

Q: How urgent is CVE-2026-92142?

Priority 48/100. High severity; On your watchlist

This month

HIGH 8.8WATCHLISTUPGRADE

CVE-2026-92142 is a high-severity flaw (CVSS 8.8) affecting karaf. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

Apache Karaf exposes a JMX MBeanServer guarded by KarafMBeanServerGuard, which enforces role-based access control (RBAC) on MBean operations invoked over the remote JMX connector (RMI registry/server, enabled by default on ports 1099 and 44444). The guard is implemented as a java.lang.reflect.Proxy around the MBeanServer, and only forwards a fixed list of operation names to the RBAC check, defined in MBeanInvocationHandler#guarded: private fi

Why this priority

High severity
On your watchlist

A fixed release or distro patch exists.

Risk facts

CVSS score	8.8 (High)
Attack vector	Network (remote)
Attack complexity	Low
Privileges needed	Low
User interaction	None
EPSS exploit chance	0.6% (top 51%)
CISA exploited list	No
Weakness	CWE-862
Published	2026-09-29
Last modified	2026-10-07

Publisher (CNA): Apache Software Foundation · Vendor: apache

Last updated 2026-10-07 · Sources: CVE Program, NVD, CISA KEV, EPSS and vendor advisories · How we score

Am I affected?

Timeline

2026-09-29 09:17 UTCPublished CVE record published
2026-10-07 20:07 UTCUpdated Record last modified

apache karaf UPGRADE

Affected: < 4.4.12

Fixed in: 4.4.12

Safe to downgrade to: no unaffected older release

1. Check installed version

apt-cache policy karaf || rpm -q karaf || karaf --version

2. UPGRADE to 4.4.12 (Debian / Ubuntu)

sudo apt update && sudo apt install --only-upgrade karaf

2. UPGRADE (RHEL / Amazon Linux / Fedora)

sudo dnf upgrade karaf

Note

Distros often backport fixes without changing the version number. Confirm with the distro advisory or changelog.

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-2026-92142?

karaf: upgrade to 4.4.12. Exact commands for each OS are on this page.

Is CVE-2026-92142 being exploited?

CVE-2026-92142 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-2026-92142 affect?

CVE-2026-92142 affects karaf. Severity is high (CVSS 8.8). Apache Karaf exposes a JMX MBeanServer guarded by KarafMBeanServerGuard, which enforces role-based access control (RBAC) on MBean operations invoked over the remote JMX connector (RMI registry/server, enabled by default on ports 1099 and 44

How urgent is CVE-2026-92142?

Priority 48/100. High severity; On your watchlist

Software pages

Java vulnerabilities

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References

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