CVE-2026-83153
Source GCVE Database
Not known to be exploited · CVSS 8.8 High.
Data as of 31 Oct 2026, 08:20 UTC
- EPSS
- 0.4% chance of exploitation in 30 days – higher than 36% 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: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 |
|---|---|---|
| Oracle CorporationSiebel CRM Deployment | 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 fix for this vulnerability as part of the September 2026 Critical Security Patch Update. Customers are strongly advised to apply this patch promptly to mitigate the risk. Oracle recommends remaining on actively supported versions and applying security patches without delay to prevent exploitation.
Description
A high-severity 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 allows a low-privileged attacker with network access via HTTPS to compromise the Siebel CRM Deployment, potentially resulting in full takeover. The CVSS 3.1 base score is 8.8, indicating high impact on confidentiality, integrity, and availability. Oracle has included a fix for this vulnerability in its September 2026 Critical Security Patch Update.