CVE-2026-91048: The jdbc shell command scope shipped no org.apache.karaf.command.acl.jdbc.cfg

Q: How do I fix CVE-2026-91048?

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

Q: Is CVE-2026-91048 being exploited?

CVE-2026-91048 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-2026-91048 affect?

CVE-2026-91048 affects karaf. Severity is critical (CVSS 9.8). The jdbc shell command scope shipped no org.apache.karaf.command.acl.jdbc.cfg. Karaf's command guard (SecuredSessionFactoryImpl) treats a command with no matching ACL rule as allowed, so any authenticated shell session (including one holdin

Q: How urgent is CVE-2026-91048?

Priority 59/100. Critical severity; CISA SSVC: automatable with total technical impact; Remotely exploitable, no login, no user action; On your watchlist

This month

CRITICAL 9.8REMOTEWATCHLISTUPGRADE

CVE-2026-91048 is a critical-severity flaw (CVSS 9.8) affecting karaf. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

The jdbc shell command scope shipped no org.apache.karaf.command.acl.jdbc.cfg. Karaf's command guard (SecuredSessionFactoryImpl) treats a command with no matching ACL rule as allowed, so any authenticated shell session (including one holding only the viewer role) could run every jdbc:* command. jdbc:ds-create stores a fully attacker-controlled JDBC URL into a pax-jdbc-config factory Configuration with no validation. pax-jdbc-config reactively tur

Why this priority

Critical severity
CISA SSVC: automatable with total technical impact
Remotely exploitable, no login, no user action
On your watchlist

A fixed release or distro patch exists.

Risk facts

CVSS score	9.8 (Critical)
Attack vector	Network (remote)
Attack complexity	Low
Privileges needed	None
User interaction	None
EPSS exploit chance	0.5% (top 55%)
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 20:14 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.

Exact fixes by distribution

Fedora ELN · edk2 · FIXED · 20260812-12.eln159 · FEDORA-2026-e316b6370a · source

sudo dnf upgrade --advisory=FEDORA-2026-e316b6370a

Fedora 46 · perl-Mojo-DOM58 · FIXED · 3.003-1.fc46 · FEDORA-2026-d5412af3de · source

sudo dnf upgrade --advisory=FEDORA-2026-d5412af3de

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-2026-91048?

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

Is CVE-2026-91048 being exploited?

CVE-2026-91048 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-2026-91048 affect?

CVE-2026-91048 affects karaf. Severity is critical (CVSS 9.8). The jdbc shell command scope shipped no org.apache.karaf.command.acl.jdbc.cfg. Karaf's command guard (SecuredSessionFactoryImpl) treats a command with no matching ACL rule as allowed, so any authenticated shell session (including one holdin

How urgent is CVE-2026-91048?

Priority 59/100. Critical severity; CISA SSVC: automatable with total technical impact; Remotely exploitable, no login, no user action; On your watchlist

Related CVEs

CVE-2026-90979 HIGH 7.3 UPGRADE LDAPCache and LDAPBackingEngine build LDAP search filters for user lookup and role lookup by textually substit
CVE-2026-91006 HIGH 8.8 UPGRADE Apache Karaf's instance-management service (InstanceServiceImpl) builds the command line used to launch a chil
CVE-2026-91012 CRITICAL 9.8 UPGRADE org.apache.karaf.config.core.impl.ConfigRepositoryImpl#update(pid, properties), which backs the "config" MBean
CVE-2026-91085 MEDIUM 6.3 UPGRADE Apache Karaf's shell/SSH command security is enforced by per-scope ACL configuration files (etc/org.apache.kar
CVE-2026-92142 HIGH 8.8 UPGRADE Apache Karaf exposes a JMX MBeanServer guarded by KarafMBeanServerGuard, which enforces role-based access cont

References

← Back to latest CVEs