CVE-2026-62640: Vulnerability in the Oracle Reports Developer product of Oracle Fusion Middleware (component: Security and Aut

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CRITICAL 9.8REMOTEDOWNGRADE

CVE-2026-62640 is a critical-severity flaw (CVSS 9.8) affecting reports developer. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

Vulnerability in the Oracle Reports Developer product of Oracle Fusion Middleware (component: Security and Authentication). The supported version that is affected is 14.1.2.0.0. Easily exploitable vulnerability allows unauthenticated attacker with network access via IIOP to compromise Oracle Reports Developer. Successful attacks of this vulnerability can result in takeover of Oracle Reports Developer. CVSS 3.1 Base Score 9.8 (Confidentiality,

Why this priority

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

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 58%)
CISA exploited list	No
Weakness	CWE-284
Published	2026-08-18
Last modified	2026-10-22

Publisher (CNA): Oracle · Vendor: oracle

Am I affected?

Timeline

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

oracle reports developer DOWNGRADE

Affected: 14.1.2.0.0

Fixed in: no fixed release known

Safe to downgrade to: a release before 14.1.2.0.0

1. Check installed version

apt-cache policy reports-developer || rpm -q reports-developer || reports-developer --version

2. No fixed release: DOWNGRADE to a release before 14.1.2.0.0 (Debian / Ubuntu)

apt-cache madison reports-developer sudo apt install reports-developer=<VERSION_BEFORE_14.1.2.0.0> sudo apt-mark hold reports-developer

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

dnf --showduplicates list reports-developer sudo dnf downgrade reports-developer-<VERSION_BEFORE_14.1.2.0.0> sudo dnf versionlock add reports-developer

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 · python-streamlink · FIXED · 8.6.2-1.fc46 · FEDORA-2026-a56fcfdc08 · source

sudo dnf upgrade --advisory=FEDORA-2026-a56fcfdc08

Fedora ELN · valgrind · FIXED · 3.28.0-1.eln159 · FEDORA-2026-c593ef1d15 · source

sudo dnf upgrade --advisory=FEDORA-2026-c593ef1d15

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.

Related CVEs

CVE-2026-62626 CRITICAL 9.8 DOWNGRADE Vulnerability in the Oracle Reports Developer product of Oracle Fusion Middleware (component: Security and Aut
CVE-2026-62630 CRITICAL 9.8 DOWNGRADE Vulnerability in the Oracle Reports Developer product of Oracle Fusion Middleware (component: Security and Aut
CVE-2026-62632 CRITICAL 9.8 DOWNGRADE Vulnerability in the Oracle Reports Developer product of Oracle Fusion Middleware (component: Security and Aut
CVE-2026-62633 CRITICAL 9.8 DOWNGRADE Vulnerability in the Oracle Reports Developer product of Oracle Fusion Middleware (component: Security and Aut
CVE-2026-62634 CRITICAL 9.8 DOWNGRADE Vulnerability in the Oracle Reports Developer product of Oracle Fusion Middleware (component: Security and Aut

References

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