CVE-2026-47018: Vulnerability in the Siebel CRM Cloud Applications product of Oracle Siebel CRM (component: Siebel Cloud Manag

This month

HIGH 7.5REMOTEUPGRADE

CVE-2026-47018 is a high-severity flaw (CVSS 7.5) affecting siebel crm. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

Vulnerability in the Siebel CRM Cloud Applications product of Oracle Siebel CRM (component: Siebel Cloud Manager). Supported versions that are affected are 22.3-26.5. Easily exploitable vulnerability allows unauthenticated attacker with network access via HTTPS to compromise Siebel CRM Cloud Applications. Successful attacks of this vulnerability can result in unauthorized ability to cause a hang or frequently repeatable crash (complete DOS) of

Why this priority

High severity
Remotely exploitable, no login, no user action

A fixed release or distro patch exists.

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 siebel crm UPGRADE

Affected: >= 22.3 and <= 26.5

Fixed in: newer than 26.5

Safe to downgrade to: a release before 22.3

1. Check installed version

apt-cache policy siebel-crm || rpm -q siebel-crm || siebel-crm --version

2. UPGRADE to newer than 26.5 (Debian / Ubuntu)

sudo apt update && sudo apt install --only-upgrade siebel-crm

2. UPGRADE (RHEL / Amazon Linux / Fedora)

sudo dnf upgrade siebel-crm

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 22.3 (Debian / Ubuntu)

apt-cache madison siebel-crm sudo apt install siebel-crm=<VERSION_BEFORE_22.3> sudo apt-mark hold siebel-crm

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

dnf --showduplicates list siebel-crm sudo dnf downgrade siebel-crm-<VERSION_BEFORE_22.3> sudo dnf versionlock add siebel-crm

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-2026-47018?

siebel crm: upgrade to newer than 26.5. Exact commands for each OS are on this page.

Is CVE-2026-47018 being exploited?

CVE-2026-47018 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-2026-47018 affect?

CVE-2026-47018 affects siebel crm. Severity is high (CVSS 7.5). Vulnerability in the Siebel CRM Cloud Applications product of Oracle Siebel CRM (component: Siebel Cloud Manager). Supported versions that are affected are 22.3-26.5. Easily exploitable vulnerability allows unauthenticated attacker with ne

How urgent is CVE-2026-47018?

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

Related CVEs

CVE-2026-47036 CRITICAL 9.8 UPGRADE Vulnerability in the Siebel CRM Development product of Oracle Siebel CRM (component: Siebel Approval Manager)
CVE-2026-47032 LOW 2.6 UPGRADE Vulnerability in the Siebel CRM End User product of Oracle Siebel CRM (component: Redwood UI)
CVE-2026-47011 LOW 2.6 UPGRADE Vulnerability in the Siebel CRM Deployment product of Oracle Siebel CRM (component: Application Interface)
CVE-2026-47016 LOW 1.9 UPGRADE Vulnerability in the Siebel CRM Integration product of Oracle Siebel CRM (component: Event Publish and Subscri
CVE-2026-60711 CRITICAL 9.9 UPGRADE Vulnerability in the Siebel CRM Cloud Applications product of Oracle Siebel CRM (component: Siebel Cloud Manag

References

← Back to latest CVEs