CVE-2026-83087Network attack vector

Authenticated data access and modification via undisclosed flaw

Published Sep 15, 2026 · Updated Sep 15, 2026

Authorization flaw in Oracle Siebel CRM Cloud Applications 22.3 through 26.7 allows remote authenticated users to read and modify CRM data. Oracle identifies Siebel Cloud Manager as the affected component but does not disclose the flawed HTTP operation or input handling. Low-privileged HTTP access is required; exploitation exposes or alters critical or all application-accessible data without affecting availability.

CVSS severity8.2
High
EPSS probability0.31%
Next 30 days · Sep 16, 2026
Known exploitationUnconfirmed
Based on sourced intelligence
Hinoki checkNot available
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Summary

What happened

Authorization flaw in Oracle Siebel CRM Cloud Applications 22.3 through 26.7 allows remote authenticated users to read and modify CRM data. Oracle identifies Siebel Cloud Manager as the affected component but does not disclose the flawed HTTP operation or input handling. Low-privileged HTTP access is required; exploitation exposes or alters critical or all application-accessible data without affecting availability.

The record

CVE
CVE-2026-83087
Published
Sep 15, 2026
Updated
Sep 15, 2026
Vendor
Oracle
Product
Siebel CRM Cloud Applications
Classifications
T1565.001
Attack vector
network
Privileges
authenticated

Timeline

How it unfolded

  1. Sep 15, 2026CVE publishedPublication date reported by the CVE source.
  2. Sep 15, 2026Record updatedLatest update available in the CVE record.

Exploitability

Present is not the same as exploitable

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Is a vulnerable build present?

Compare these published version ranges with your installed build and any vendor patches.

  1. Affected versionversion=22.3 <=26.7

What conditions does exploitation require?

Attack vectornetwork
Required privilegesauthenticated

What is affected?

Oracle · Siebel CRM Cloud Applicationsversion=22.3 <=26.7

Published CVSS scores

8.2OracleCVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:C/C:H/I:H/A:N

CVSS describes severity. EPSS estimates exploitation probability.

Attacks

What attackers are doing with it

Daily unique IPs observed by Shadowserver honeypots for known exploited vulnerabilities (KEVs). Missing observations do not establish an absence of attacks.

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No observations available

Sep 10, 2026Sep 16, 2026
Latest reporting daySep 16, 2026
Latest daily unique IPsUnavailable
Prior 30-day averageUnavailable
SourceShadowserver honeypots (KEV)
Vectornetwork
Privilegesauthenticated
Known exploitationUnconfirmed
Public exploitUnconfirmed

Weakness, pattern, technique

T1565.001Stored Data Manipulation

Public exploit references

No public exploit references are available in this record.

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Technologies

Your stack

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Your stack

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