CVE-2026-83109: Vulnerability in the Oracle Forms product of Oracle Fusion Middleware (component: Forms Services, C/S, Charmod

Routine

MEDIUM 5.3REMOTEDOWNGRADE

CVE-2026-83109 is a medium-severity flaw (CVSS 5.3) affecting forms. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

Vulnerability in the Oracle Forms product of Oracle Fusion Middleware (component: Forms Services, C/S, Charmode). Supported versions that are affected are 12.2.1.19.0 and 14.1.2.0.0. Easily exploitable vulnerability allows unauthenticated attacker with network access via HTTP to compromise Oracle Forms. Successful attacks of this vulnerability can result in unauthorized read access to a subset of Oracle Forms accessible data. CVSS 3.1 Base Sc

Why this priority

Remotely exploitable, no login, no user action

No fix is published yet: follow the downgrade or mitigation steps.

Risk facts

CVSS score	5.3 (Medium)
Attack vector	Network (remote)
Attack complexity	Low
Privileges needed	None
User interaction	None
EPSS exploit chance	0.3% (top 75%)
CISA exploited list	No
Weakness	CWE-284
Published	2026-09-15
Last modified	2026-09-23

Publisher (CNA): Oracle · Vendor: oracle

Last updated 2026-09-23 · Sources: CVE Program, NVD, CISA KEV, EPSS and vendor advisories · How we score

Am I affected?

Timeline

2026-09-15 20:18 UTCPublished CVE record published
2026-09-23 15:24 UTCUpdated Record last modified

oracle forms DOWNGRADE

Affected: 12.2.1.19.0 · 14.1.2.0.0

Fixed in: no fixed release known

Safe to downgrade to: a release before 12.2.1.19.0

1. Check installed version

apt-cache policy forms || rpm -q forms || forms --version

2. No fixed release: DOWNGRADE to a release before 12.2.1.19.0 (Debian / Ubuntu)

apt-cache madison forms sudo apt install forms=<VERSION_BEFORE_12.2.1.19.0> sudo apt-mark hold forms

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

dnf --showduplicates list forms sudo dnf downgrade forms-<VERSION_BEFORE_12.2.1.19.0> sudo dnf versionlock add forms

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-2026-83109?

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

Is CVE-2026-83109 being exploited?

CVE-2026-83109 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-2026-83109 affect?

CVE-2026-83109 affects forms. Severity is medium (CVSS 5.3). Vulnerability in the Oracle Forms product of Oracle Fusion Middleware (component: Forms Services, C/S, Charmode). Supported versions that are affected are 12.2.1.19.0 and 14.1.2.0.0. Easily exploitable vulnerability allows unauthenticated

How urgent is CVE-2026-83109?

Priority 30/100. Remotely exploitable, no login, no user action

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References

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