CVE-2026-61211: Vulnerability in the RDBMS component of Oracle Database Server

This month

CRITICAL 9.9UPGRADE

CVE-2026-61211 is a critical-severity flaw (CVSS 9.9) affecting database server. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

Vulnerability in the RDBMS component of Oracle Database Server. Supported versions that are affected are 19.3-19.31 and 23.4.0-23.26.2. Easily exploitable vulnerability allows low privileged attacker having Execute DBMS_CLOUD privilege with network access via Oracle Net to compromise RDBMS. While the vulnerability is in RDBMS, attacks may significantly impact additional products (scope change). Successful attacks of this vulnerability can res

Why this priority

Critical severity

A fixed release or distro patch exists.

Risk facts

CVSS score	9.9 (Critical)
Attack vector	Network (remote)
Attack complexity	Low
Privileges needed	Low
User interaction	None
EPSS exploit chance	0.4% (top 64%)
CISA exploited list	No
Weakness	CWE-284
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 22:18 UTCPublished CVE record published
2026-10-24 15:10 UTCUpdated Record last modified

oracle database server UPGRADE

Affected: >= 19.3 and <= 19.31 · >= 23.4 and <= 23.26.2

Fixed in: newer than 23.26.2

Safe to downgrade to: a release before 19.3

1. Check installed version

apt-cache policy database-server || rpm -q database-server || database-server --version

2. UPGRADE to newer than 23.26.2 (Debian / Ubuntu)

sudo apt update && sudo apt install --only-upgrade database-server

2. UPGRADE (RHEL / Amazon Linux / Fedora)

sudo dnf upgrade database-server

Note

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

3. If no update is available yet, DOWNGRADE to a release before 19.3 (Debian / Ubuntu)

apt-cache madison database-server sudo apt install database-server=<VERSION_BEFORE_19.3> sudo apt-mark hold database-server

3. If no update is available yet, DOWNGRADE (RHEL / Amazon Linux / Fedora)

dnf --showduplicates list database-server sudo dnf downgrade database-server-<VERSION_BEFORE_19.3> sudo dnf versionlock add database-server

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.

Exact fixes by distribution

Fedora 46 · sugar-abacus · FIXED · 61-18.fc46 · FEDORA-2026-b1e9de9204 · source

sudo dnf upgrade --advisory=FEDORA-2026-b1e9de9204

Fedora ELN · selinux-policy · FIXED · 45.23-1.eln159 · FEDORA-2026-3668c969a2 · source

sudo dnf upgrade --advisory=FEDORA-2026-3668c969a2

Public exploits and detection

Public code exists for this CVE. Treat unpatched systems as at risk, and only run PoCs in a lab.

Write-up: www.oracle.com/security-alerts/cpujul2026.html

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-2026-61211?

database server: upgrade to newer than 23.26.2. Exact commands for each OS are on this page.

Is CVE-2026-61211 being exploited?

CVE-2026-61211 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-2026-61211 affect?

CVE-2026-61211 affects database server. Severity is critical (CVSS 9.9). Vulnerability in the RDBMS component of Oracle Database Server. Supported versions that are affected are 19.3-19.31 and 23.4.0-23.26.2. Easily exploitable vulnerability allows low privileged attacker having Execute DBMS_CLOUD privilege wi

How urgent is CVE-2026-61211?

Priority 44/100. Critical severity

Software pages

Oracle Database vulnerabilities

Related CVEs

CVE-2026-71102 CRITICAL 9.1 UPGRADE Vulnerability in the Portable Clusterware component of Oracle Database Server
CVE-2026-71063 CRITICAL 9.6 UPGRADE Vulnerability in the Portable Clusterware component of Oracle Database Server
CVE-2026-71064 CRITICAL 9.6 UPGRADE Vulnerability in the Portable Clusterware component of Oracle Database Server
CVE-2026-71062 HIGH 8.5 UPGRADE Vulnerability in the RDBMS component of Oracle Database Server
CVE-2026-71100 MEDIUM 5.3 UPGRADE Vulnerability in the RDBMS component of Oracle Database Server

References

← Back to latest CVEs