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CVE-2026-60754 – Unauthenticated Data Exposure & DoS – Oracle Siebel CRM Marketing (versions 17.0–26

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Summary

CVE-2026-60754 is a critical vulnerability in the Marketing component of Oracle Siebel CRM (Siebel Apps – Marketing) that allows a remote, unauthenticated attacker to compromise the application over HTTP. Successful exploitation results in unauthorized access to critical data and denial-of-service conditions, with no authentication or user interaction required. Oracle assigned this issue a CVSS v3.1 base score of 9.1 (Critical) and disclosed it in the August 2026 Critical Patch Update.

Technical details

  • Root cause: A flaw in the Marketing component of Siebel CRM that is reachable over the network without authentication.
  • Trigger conditions: An attacker sends crafted HTTP requests to the exposed Siebel Marketing component; no valid credentials or user interaction are needed.
  • Attack vector: Network (AV:N), low attack complexity (AC:L), no privileges required (PR:N), no user interaction (UI:N).
  • Impact: High confidentiality impact (unauthorized access to critical data) and high availability impact (denial-of-service); no integrity impact.

Affected software

  • Oracle Siebel CRM — Siebel Apps – Marketing component, versions 17.0 through 26.6

Severity

  • CVSS v3.1 Base Score: 9.1 (Critical)
  • Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:H

Mitigation and recommended actions

  • Immediate: Apply the fix provided in Oracle’s August 2026 Critical Patch Update (CSPU) for Siebel CRM Apps – Marketing, version range 17.0–26.6.
  • If patching cannot be applied immediately: Restrict network exposure of the Siebel Marketing component to trusted internal networks only, and monitor for anomalous unauthenticated HTTP requests targeting the Marketing module until the patch can be deployed.

How IONIX identifies potentially affected assets

IONIX matches the following signals against data already collected when it crawled the asset; identifying the technology sends no request beyond that crawl.

  • Page title: Oracle - Siebel Customer Relationship Management

References

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Zero-Days to Shrink MTTR

1

Map your entire attack surface (continously)

IONIX uses multi-factor discovery methods, including DNS analysis, certificate mapping, metadata inspection, and more, to automatically map every internet-facing asset across your environment. This includes cloud instances, third-party platforms, shadow IT, and even forgotten infrastructure that traditional tools miss.

2

Monitor for new CVEs

Dozens of threat intel feeds using agentic technology are continuously analyzed to detect the appearance of proof-of-concept code, exploit kits, and indicators of active targeting. IONIX goes further by applying AI to proactively evaluate whether emerging vulnerabilities are likely to be exploited, even before PoCs go public.

3

Identify Potential External Exposures

Not all CVEs matter. IONIX filters vulnerabilities by asking attacker-centric questions: Can it be reached from the internet? Does it require authentication? Is it being exploited in the wild? This dramatically reduces noise and focuses teams on threats that can actually be weaponized.

4

Create Safe, Scalable Exploit Validations

IONIX transforms real-world PoCs into safe, non-intrusive test payloads that can be run in production environments without disruption. These simulations are precisely targeted to the systems that are vulnerable, ensuring rapid validation without unnecessary load.

5

Execute Exploit Validations

By combining context about software stack, versioning, exposure status, and reachability, IONIX ensures that only the right payloads are executed against the right assets, maximizing efficiency and minimizing risk.

6

Drive Fast and Actionable Remediation

Results are routed through integrations with ticketing, SOAR, and SIEM tools. Issues are written in plain language, bundled into remediation clusters, and prioritized based on asset criticality, exploitability, and blast radius. This shortens mean time to remediation (MTTR) and empowers teams to act with confidence.

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