CVE-2026-83077Network attack vector

Authenticated data reading and modification via HTTP

Published Sep 15, 2026 · Updated Sep 15, 2026

Improper access control in Oracle Siebel CRM Cloud Applications 22.3 through 26.7 allows remote authenticated users to read and modify data via HTTP. Oracle has not disclosed the specific Siebel Cloud Manager locus or the operation that mishandles an authenticated HTTP request. Low-privileged access is required, and successful exploitation permits reading a subset of accessible data and updating, inserting, or deleting some data.

CVSS severity6.4
Medium
EPSS probability0.25%
Next 30 days · Sep 16, 2026
Known exploitationUnconfirmed
Based on sourced intelligence
Hinoki checkNot available
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Summary

What happened

Improper access control in Oracle Siebel CRM Cloud Applications 22.3 through 26.7 allows remote authenticated users to read and modify data via HTTP. Oracle has not disclosed the specific Siebel Cloud Manager locus or the operation that mishandles an authenticated HTTP request. Low-privileged access is required, and successful exploitation permits reading a subset of accessible data and updating, inserting, or deleting some data.

The record

CVE
CVE-2026-83077
Published
Sep 15, 2026
Updated
Sep 15, 2026
Vendor
Oracle
Product
Siebel CRM Cloud Applications
Classifications
Unavailable
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

6.4OracleCVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:L/I:L/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.

Daily unique IPsNo honeypot observations are available for this CVE in the selected window.

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

No sourced classifications are available.

Public exploit references

No public exploit references are available in this record.

Labels summarize the accepted research assessment. They do not indicate a test against your environment.

Technologies

Your stack

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Your stack

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