CVE-2026-83212
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 Apps - Self Service | Affected
| Fixed in– |
Mavencom.oracle.siebel/siebel-apps-self-servicepkg:maven/com.oracle.siebel/siebel-apps-self-serviceOther 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 a fix for this vulnerability. Customers should apply the relevant patches from this update promptly. Oracle strongly recommends remaining on actively-supported versions and applying security patches without delay to mitigate this risk.
Description
A high-severity vulnerability (CVE-2026-83212) exists in the Siebel Apps - Self Service product of Oracle Siebel CRM, specifically in the Helpdesk/Training component. The vulnerability affects supported versions from 17.0 through 26.7. It allows a low-privileged attacker with network access via HTTP to potentially take over the Siebel Apps - Self Service. The CVSS 3.1 base score is 8.8, indicating high impact on confidentiality, integrity, and availability. Oracle has released a Critical Security Patch Update in September 2026 that addresses this and many other vulnerabilities across multiple products, including Siebel Applications. Oracle strongly recommends applying the available patches promptly to mitigate the risk.