CVE-2026-62589: Vulnerability in the Siebel CRM Integration product of Oracle Siebel CRM (component: Open Integration)

This month

HIGH 8.7REMOTEUPGRADE

CVE-2026-62589 is a high-severity flaw (CVSS 8.7) 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 Integration product of Oracle Siebel CRM (component: Open Integration). Supported versions that are affected are 25.12-26.6. Difficult to exploit vulnerability allows unauthenticated attacker with network access via HTTP to compromise Siebel CRM Integration. While the vulnerability is in Siebel CRM Integration, attacks may significantly impact additional products (scope change). Successful attacks of this vulner

Why this priority

High severity
Remotely exploitable, no login, no user action

A fixed release or distro patch exists.

Risk facts

CVSS score	8.7 (High)
Attack vector	Network (remote)
Attack complexity	High
Privileges needed	None
User interaction	None
EPSS exploit chance	0.3% (top 74%)
CISA exploited list	No
Weakness	CWE-284
Published	2026-08-18
Last modified	2026-10-22

Publisher (CNA): Oracle · Vendor: oracle

Last updated 2026-10-22 · Sources: CVE Program, NVD, CISA KEV, EPSS and vendor advisories · How we score

Am I affected?

Timeline

2026-08-18Published CVE record published
2026-10-22 20:09 UTCUpdated Record last modified

oracle siebel crm UPGRADE

Affected: >= 25.12 and <= 26.6

Fixed in: newer than 26.6

Safe to downgrade to: a release before 25.12

1. Check installed version

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

2. UPGRADE to newer than 26.6 (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 25.12 (Debian / Ubuntu)

apt-cache madison siebel-crm sudo apt install siebel-crm=<VERSION_BEFORE_25.12> 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_25.12> 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.

Exact fixes by distribution

Fedora 46 · retext · FIXED · 8.1.0-1.fc46 · FEDORA-2026-0602a84203 · source

sudo dnf upgrade --advisory=FEDORA-2026-0602a84203

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-2026-62589?

siebel crm: upgrade to newer than 26.6. Exact commands for each OS are on this page.

Is CVE-2026-62589 being exploited?

CVE-2026-62589 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-2026-62589 affect?

CVE-2026-62589 affects siebel crm. Severity is high (CVSS 8.7). Vulnerability in the Siebel CRM Integration product of Oracle Siebel CRM (component: Open Integration). Supported versions that are affected are 25.12-26.6. Difficult to exploit vulnerability allows unauthenticated attacker with network ac

How urgent is CVE-2026-62589?

Priority 42/100. High severity; Remotely exploitable, no login, no user action

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References

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