CVE-2026-83191: siebel-crm-deployment
Affects siebel-crm-deploymentSource GCVE Database
Not known to be exploited · CVSS 8.1 High.
Data as of 31 Oct 2026, 08:20 UTC
- EPSS
- 0.3% chance of exploitation in 30 days – higher than 31% of CVEsExploit Prediction Scoring System: the likelihood attackers will use this flaw soon.
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/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 |
|---|---|---|
Mavencom.oracle.siebel/siebel-crm-deploymentpkg:maven/com.oracle.siebel/siebel-crm-deploymentOther 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 security patch for this vulnerability as part of the September 2026 Critical Security Patch Update. Customers are strongly advised to apply the patch without delay to remediate this vulnerability. Oracle recommends staying on actively supported versions and promptly applying all security patches to prevent exploitation. No alternative mitigations or workarounds are specified in the advisory.
Description
A vulnerability exists in the Siebel CRM Deployment product of Oracle Siebel CRM, specifically in the Server Infrastructure component. This vulnerability affects supported versions from 17.0 through 26.7. It is difficult to exploit but allows an unauthenticated attacker with network access via TCP to potentially take over the Siebel CRM Deployment. The vulnerability has a CVSS 3.1 base score of 8.1, indicating high severity with impacts on confidentiality, integrity, and availability. Oracle has included this vulnerability in its September 2026 Critical Security Patch Update, which provides targeted security fixes for multiple products including Siebel CRM.