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VulnerabilityPublished

CVE-2026-83306: fusion-middleware-jdeveloper

Affects fusion-middleware-jdeveloperSource GCVE Database

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Authoritative record:CVE-2026-83306· High 8.8

Not known to be exploited · CVSS 8.8 High.

Data as of 31 Oct 2026, 08:20 UTC

CVSS 3.1 base score
8.8High
How severe the flaw is on the 0–10 CVSS scale.
EPSS
0.4% chance of exploitation in 30 days – higher than 36% of CVEsExploit Prediction Scoring System: the likelihood attackers will use this flaw soon.
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

Exploitation evidence

  1. Disclosed: evidence found.

    CVE published 15 Sep 2026

  2. Detectable: no evidence on record.

    No public nuclei template indexed

  3. Weaponized: no evidence on record.

    No public exploit code indexed in Metasploit or Exploit-DB

  4. Exploited in the wild: no evidence on record.

    Not in CISA KEV and no source reports exploitation

  5. Observed by OffSeq Mirage: no evidence on record.

    No attack traffic recorded by OffSeq Mirage sensors

A missing step is not evidence of safety. Sources: cve.org (opens in a new tab), the Metasploit, Exploit-DB and nuclei-templates index as of 30 Oct 2026.

What to do

Affected software

ProductAffectedFixed in
Mavencom.oracle/fusion-middleware-jdeveloperpkg:maven/com.oracle/fusion-middleware-jdeveloperOther threatsAffected
  • >=12.2.1.4.0 <=12.2.1.4.0
  • >=14.1.2.0.0 <=14.1.2.0.0
Fixed in–

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AI-suggested

Oracle has released patches for this vulnerability as part of the September 2026 Critical Security Patch Update. Customers should apply the relevant patches for Oracle JDeveloper versions 12.2.1.4.0 and 14.1.2.0.0 without delay. Oracle advises remaining on actively supported versions and promptly applying security patches to prevent exploitation.

Description

A high-severity vulnerability exists in Oracle JDeveloper within Oracle Fusion Middleware, specifically in the Resource Catalog Services component. The flaw affects versions 12.2.1.4.0 and 14.1.2.0.0 and allows a low-privileged attacker with network access via HTTP to potentially take over the Oracle JDeveloper product. The vulnerability has a CVSS 3.1 base score of 8.8, indicating high impact on confidentiality, integrity, and availability. Oracle has addressed this vulnerability in its September 2026 Critical Security Patch Update, which includes patches for the affected versions.

References

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