CVE-2026-83051: Oracle WebCenter Portal · Improper Access Control
Affects Oracle WebCenter PortalSource CVE Database V5
Not known to be exploited · CVSS 7.5 High.
Data as of 30 Oct 2026, 20:25 UTC
- EPSS
- 0.4% chance of exploitation in 30 days – higher than 35% 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 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 WebCenter Portal | Affected
| Fixed in– |
Mavencom.oracle.webcenter/portalpkg:maven/com.oracle.webcenter/portalOther 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 security patches addressing this vulnerability as part of the September 2026 Critical Security Patch Update. Customers should apply these patches without delay to mitigate the risk. Oracle strongly recommends remaining on actively supported versions and promptly applying security updates. No alternative mitigations or workarounds are specified in the advisory.
Description
CVE-2026-83051 is a high-severity vulnerability in Oracle WebCenter Portal versions 12.2.1.4.0 and 14.1.2.0.0. It allows an unauthenticated attacker with network access via HTTP to gain unauthorized access to critical or all accessible data within Oracle WebCenter Portal. The vulnerability has a CVSS 3.1 base score of 7.5, indicating a significant confidentiality impact without requiring user interaction or privileges.