CVE-2026-73966: Oracle Siebel Apps – Marketing · Improper Access Control
Affects Oracle Siebel Apps – MarketingSource CVE Database V5
Not known to be exploited · CVSS 7.2 High.
Data as of 30 Oct 2026, 20:25 UTC
- EPSS
- 0.4% chance of exploitation in 30 days – higher than 40% of CVEsExploit Prediction Scoring System: the likelihood attackers will use this flaw soon.
CVSS:3.1/AV:N/AC:L/PR:H/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 - Marketing | Affected
| Fixed in– |
Mavencom.oracle.siebel/marketingpkg:maven/com.oracle.siebel/marketingOther 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 patches for this vulnerability as part of the September 2026 Critical Security Patch Update. Customers should apply the relevant patches without delay to remediate this issue. Oracle strongly recommends remaining on actively supported versions and promptly applying security patches to prevent exploitation. No alternative mitigations or workarounds are specified in the advisory.
Description
CVE-2026-73966 is a vulnerability in Oracle Siebel Apps - Marketing allowing a high privileged attacker with network access via HTTP to compromise the application. Affected versions range from 17.0 through 26.7. The vulnerability has a CVSS 3.1 base score of 7.2, indicating high severity with impacts on confidentiality, integrity, and availability. Successful exploitation can result in full takeover of the Siebel Apps - Marketing component. Oracle has included this vulnerability in its September 2026 Critical Security Patch Update, which provides patches for affected products.