CVE-2026-83038: Oracle WebLogic Server · Improper Access Control
Affects Oracle WebLogic ServerSource CVE Database V5
Not known to be exploited · CVSS 9.9 Critical.
Data as of 30 Oct 2026, 20:25 UTC
- EPSS
- 0.4% chance of exploitation in 30 days – higher than 37% 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:H/I:H/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 |
|---|---|---|
| Oracle CorporationOracle WebLogic Server | Affected
| Fixed in– |
Mavencom.oracle.weblogic/weblogic-serverpkg:maven/com.oracle.weblogic/weblogic-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 a Critical Security Patch Update in September 2026 that includes fixes for CVE-2026-83038. Customers should apply the official patches promptly to remediate this vulnerability. Oracle strongly recommends remaining on actively-supported versions and applying security patches without delay. No alternative mitigations or temporary fixes are indicated in the advisory.
Description
CVE-2026-83038 is a critical vulnerability in Oracle WebLogic Server's TopLink Integration component. It allows a low privileged attacker with network access via HTTP to compromise the server, potentially leading to full takeover. The vulnerability affects specific versions of Oracle WebLogic Server and can impact additional products due to scope change. The CVSS 3.1 base score is 9.9, indicating severe confidentiality, integrity, and availability impacts. Oracle has released a Critical Security Patch Update addressing this and many other vulnerabilities. Customers are strongly advised to apply the available patches promptly.