CVE-2026-83088: oracle-database-server
Affects oracle-database-serverSource GCVE Database
Not known to be exploited · CVSS 7.7 High.
Data as of 30 Oct 2026, 20:25 UTC
- EPSS
- 0.3% chance of exploitation in 30 days – higher than 30% 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:C/C:N/I:N/A:HExploitation evidence
Disclosed: evidence found.
CVE published 15 Sep 2026
Detectable: no evidence on record.
No public nuclei template indexed
Weaponized: no evidence on record.
No public exploit code indexed in Metasploit or Exploit-DB
Exploited in the wildExploited: no evidence on record.
Not in CISA KEV and no source reports exploitation
Observed by OffSeq MirageSeen by 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
| Product | Affected | Fixed in |
|---|---|---|
Mavencom.oracle.database/oracle-database-serverpkg:maven/com.oracle.database/oracle-database-serverOther threats | Affected
| Fixed in– |
Check your own hosts for these packages with threat-finder (opens in a new tab), our free open-source scanner.
AI-suggested
Oracle has released patches for this vulnerability as part of the September 2026 Critical Security Patch Update. Customers are strongly advised to apply the available security patches promptly to remediate this issue. Remaining on actively supported versions and timely patching are critical to prevent exploitation. No alternative mitigations or workarounds are specified in the advisory.
Description
A vulnerability exists in the RDBMS component of Oracle Database Server versions 23.4.0 through 23.26.3. This flaw allows a low privileged authenticated user with network access via Oracle Net to cause a denial of service by hanging or crashing the database server. The vulnerability impacts availability but does not affect confidentiality or integrity. Oracle has released security patches addressing this and many other vulnerabilities in their September 2026 Critical Security Patch Update.