CVE-2026-34305: Oracle WebLogic Server · Information Exposure
Affects Oracle WebLogic ServerSource CVE Database V5
Not known to be exploited · CVSS 7.5 High.
Data as of 30 Oct 2026, 11:52 UTC
- EPSS
- 0.3% chance of exploitation in 30 days – higher than 26% of CVEsExploit Prediction Scoring System: the likelihood attackers will use this flaw soon.
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:NExploitation evidence
Disclosed: evidence found.
CVE published 21 Apr 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 strongly recommends applying the April 2026 Critical Patch Update for Fusion Middleware products, which includes patches for this vulnerability. Customers should ensure they are running actively supported versions and apply the update without delay. Patch status is implied to be available via the Critical Patch Update, but users should consult the official Oracle advisory at https://www.oracle.com/security-alerts/cpuapr2026.html for detailed patch availability and installation instructions.
Description
CVE-2026-34305 is a high-severity vulnerability in Oracle WebLogic Server versions 12.2.1.4.0, 14.1.1.0.0, 14.1.