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TI-2026-77791 Aliases CVE-2026-101476GHSA-2hg4-fjr5-w4r8

Missing authorization in Oracle Siebel Marketing allows data changes

Priority LOW 20CWE-862Published · Updated

Key facts

Attack vector
Network
Privileges required
None
User interaction
Required
Attack complexity
Low
Impact type
Security bypass
Confidentiality · integrity · availability
None · Low · None
Fix status
No fix listed

Attack profile from CVSS 3.1 · CNA. Fix status from CNA. Impact type from CWE-862.

Summary

Oracle Siebel Apps - Marketing from 17.0 through 26.9 has a missing authorization check (CWE-862). An unauthenticated remote attacker can reach the product over HTTP and, when a person other than the attacker interacts with it, update, insert or delete some of the data it can access. The CVSS 3.1 base score is 4.3 for integrity impact only.

Written with Claude Haiku 5.5 from the sources below · 2026-11-05

Description from the CNA

Vulnerability in the Siebel Apps - Marketing product of Oracle Siebel CRM (component: Marketing). Supported versions that are affected are 17.0-26.9. Easily exploitable vulnerability allows unauthenticated attacker with network access via HTTP to compromise Siebel Apps - Marketing. Successful attacks require human interaction from a person other than the attacker. Successful attacks of this vulnerability can result in unauthorized update, insert or delete access to some of Siebel Apps - Marketing accessible data. CVSS 3.1 Base Score 4.3 (Integrity impacts). CVSS Vector: (CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:L/A:N).

Why it matters now

Exploitation None reported CISA SSVC · not in CISA KEV
EPSS 0.00271 19th percentileScored 2026-11-07
Fix No fix listed No fixed version in the sources yet

SSVC decision points

CISA ADP · SSVC 2.0.3

Exploitation
None
Automatable
No
Technical impact
Partial

The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.

Affected products

VendorProductAffected versionsFixed inStatusSource
OracleSiebel Apps - Marketing17.0 – 26.9—No fix listedCNA
  • Siebel Apps - Marketing VendorOracle Affected 17.0 – 26.9 Fixed in — No fix listed CNA

CPE configurations NVD · 1

CPEVersionsRoleVendor
cpe:2.3:a:oracle:siebel_crm:*:*:*:*:*:*:*:*17.0 – 26.9VulnerableOracle
  • cpe:2.3:a:oracle:siebel_crm:*:*:*:*:*:*:*:* Versions 17.0 – 26.9 Vulnerable ·Oracle

Remediation

The sources list no fixed version for Oracle Siebel Apps - Marketing.

Written with Claude Haiku 5.5 from the sources below · 2026-11-05

Fixed in the same release

Records fixed by the same vendor advisory or release, as the CNA lists them.

  • Advisory ·

    Oracle Siebel Apps - Marketing — oracle.com/security-alerts/cpuoct2026.html

    17 records Highest priority Priority LOW 17 LOW

    Other records, highest priority first

    • TI-2026-77714 Uncontrolled resource consumption in Oracle Siebel Apps MarketingPriority LOW 30
    • TI-2026-77709 Access control flaw in Oracle Siebel Apps - MarketingPriority LOW 30
    • TI-2026-77710 Oracle Siebel Apps - Marketing access control flawPriority LOW 27
    Show all 17 records → Advisory →

Timeline

  1. 2026-10-21 Threatist record created from CVE-2026-101476
  2. 2026-10-21 Alias added: GHSA-2hg4-fjr5-w4r8
  3. 2026-11-05 Weakness changed · NVD
  4. 2026-11-06 Weakness changed · CISA ADP
  5. 2026-11-06 CISA SSVC decision points changed

References

Advisory 1

  • TI-2026-44706 Improper access control in Oracle Siebel CRM Integration CVSS 3.1CRITICAL 9.8
  • TI-2026-44699 Improper access control in Oracle Siebel CRM Administration CVSS 3.1CRITICAL 9.8
  • TI-2026-44566 Improper access control in Oracle Siebel CRM Cloud Applications CVSS 3.1CRITICAL 9.9
  • TI-2026-43962 Improper access control in Oracle Siebel CRM Cloud Applications CVSS 3.1CRITICAL 9.8
  • TI-2026-34639 Missing authentication in Oracle Siebel CRM Development CVSS 3.1CRITICAL 9.8
  • TI-2026-34525 Improper access control in Oracle Siebel CRM Cloud Applications CVSS 3.1CRITICAL 9.8
See all 244 →

Sources

This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences