CVE-2026-61066: Vulnerability in the Oracle Identity Manager product of Oracle Fusion Middleware (component: OIM Legacy UI)

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CRITICAL 9.9DOWNGRADE

CVE-2026-61066 is a critical-severity flaw (CVSS 9.9) affecting identity manager. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

Vulnerability in the Oracle Identity Manager product of Oracle Fusion Middleware (component: OIM Legacy UI). Supported versions that are affected are 12.2.1.4.0 and 14.1.2.1.0. Easily exploitable vulnerability allows low privileged attacker with network access via RMI to compromise Oracle Identity Manager. While the vulnerability is in Oracle Identity Manager, attacks may significantly impact additional products (scope change). Successful att

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	2026-08-18
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 identity manager DOWNGRADE

Affected: 12.2.1.4.0 · 14.1.2.1.0

Fixed in: no fixed release known

Safe to downgrade to: a release before 12.2.1.4.0

1. Check installed version

apt-cache policy identity-manager || rpm -q identity-manager || identity-manager --version

2. No fixed release: DOWNGRADE to a release before 12.2.1.4.0 (Debian / Ubuntu)

apt-cache madison identity-manager sudo apt install identity-manager=<VERSION_BEFORE_12.2.1.4.0> sudo apt-mark hold identity-manager

2. No fixed release: DOWNGRADE (RHEL / Amazon Linux / Fedora)

dnf --showduplicates list identity-manager sudo dnf downgrade identity-manager-<VERSION_BEFORE_12.2.1.4.0> sudo dnf versionlock add identity-manager

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

A distro patch exists: prefer upgrading over downgrading.

Fedora 46 · uv · FIXED · 0.13.5-1.fc46 · FEDORA-2026-61ea5a28c6 · source

sudo dnf upgrade --advisory=FEDORA-2026-61ea5a28c6

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-2026-61066?

identity manager: downgrade or apply the listed mitigation. Exact commands for each OS are on this page.

Is CVE-2026-61066 being exploited?

CVE-2026-61066 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-2026-61066 affect?

CVE-2026-61066 affects identity manager. Severity is critical (CVSS 9.9). Vulnerability in the Oracle Identity Manager product of Oracle Fusion Middleware (component: OIM Legacy UI). Supported versions that are affected are 12.2.1.4.0 and 14.1.2.1.0. Easily exploitable vulnerability allows low privileged attack

How urgent is CVE-2026-61066?

Priority 44/100. Critical severity

Related CVEs

CVE-2026-61196 CRITICAL 9.8 DOWNGRADE Vulnerability in the Oracle Identity Manager product of Oracle Fusion Middleware (component: OIM Legacy UI)
CVE-2026-61197 CRITICAL 9.1 DOWNGRADE Vulnerability in the Oracle Identity Manager product of Oracle Fusion Middleware (component: OIM Legacy UI)
CVE-2026-60721 CRITICAL 9.8 DOWNGRADE Vulnerability in the Oracle Identity Manager product of Oracle Fusion Middleware (component: OIM Legacy UI)
CVE-2026-60727 CRITICAL 9.8 DOWNGRADE Vulnerability in the Oracle Identity Manager product of Oracle Fusion Middleware (component: OIM Legacy UI)
CVE-2026-60720 CRITICAL 9.9 DOWNGRADE Vulnerability in the Oracle Identity Manager product of Oracle Fusion Middleware (component: OIM Legacy UI)

References

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