# CVE-2026-83423

Remote takeover of Oracle JDeveloper via HTTP by low-privileged attacker

- Page: https://www.vulneraibility.com/cve/CVE-2026-83423
- CVSS: 8.8
- Known exploited: not in CISA KEV as of our last sync
- EPSS: 0.42% (percentile 36.1)
- CISA SSVC: exploitation none, automatable no, technical impact total (assessed 2026-09-17)
- Weakness: CWE-269
- Published: 2026-09-15

## Affected versions

- Oracle Corporation Oracle JDeveloper: affected 12.2.1.4.0; 14.1.2.0.0

A version outside these ranges is not a statement that it is unaffected.

## Impact

Remote compromise of Oracle JDeveloper via HTTP by a low-privileged attacker, resulting in full confidentiality, integrity, and availability loss.

## Action

Immediate action required

## Recommendation

Apply Oracle patch immediately; if unavailable, block/limit JDeveloper HTTP access

## References

- [advisory] https://www.oracle.com/security-alerts/cspusep2026.html

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Summary, impact and action are written by the vulneraibility.com AI analysis pipeline from the CVE record, NVD, CISA and FIRST data; verify against the references.