CVE-2026-61318: Vulnerability in the Siebel CRM Cloud Applications product of Oracle Siebel CRM (component: Siebel Cloud Ma...
Vulnerability in the Siebel CRM Cloud Applications product of Oracle Siebel CRM (component: Siebel Cloud Manager). Supported versions that are affected are 22.3-26.6. Easily exploitable vulnerability allows unauthenticated attacker with network access via HTTP to compromise Siebel CRM Cloud Applications. Successful attacks of this vulnerability can result in takeover of Siebel CRM Cloud Applications. CVSS 3.1 Base Score 9.8 (Confidentiality, Integrity and Availability impacts). CVSS Vector: (CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H).
Security readout for executives and security teams
Plain-English summary
An unauthenticated attacker who can reach Oracle Siebel Cloud Manager over HTTP may take over the affected CRM application. A successful compromise could expose customer data, permit unauthorized changes, and disrupt service. The reported severity is critical because exploitation requires no credentials or user interaction.
Executive priority
Treat as an immediate remediation priority. Identify exposed instances now, restrict management-plane access, and schedule Oracle-directed remediation urgently. Systems holding sensitive customer or business data, or reachable from untrusted networks, should receive the highest priority.
Technical view
CVE-2026-61318 is an access-control vulnerability, classified as CWE-284, in Oracle Siebel CRM Cloud Applications' Siebel Cloud Manager. Oracle reports affected supported versions 22.3 through 26.6. The CVSS 3.1 score is 9.8, reflecting network accessibility, low complexity, no authentication, and high confidentiality, integrity, and availability impact.
Likely exposure
Exposure exists where Siebel Cloud Manager versions 22.3 through 26.6 are deployed and reachable over HTTP. Internet-facing or otherwise untrusted-network-accessible management interfaces present the greatest concern. The supplied evidence does not identify specific endpoints, default configurations, or deployment prevalence.
Exploitation context
The vulnerability is described as easily exploitable remotely without authentication or user interaction. However, the supplied bundle does not identify it as a KEV entry and provides no evidence of active exploitation, public proof-of-concept code, or observed campaigns.
Researcher notes
The source bundle establishes impact, attack prerequisites, affected versions, CWE, and CVSS vector, but does not disclose the vulnerable endpoint, root cause, indicators of compromise, patch identifier, or technical mitigation. Avoid inferring exploit availability or compromise from severity alone.
Mitigation direction
Inventory Siebel Cloud Manager deployments and identify versions 22.3 through 26.6.
Review and apply Oracle's remediation guidance as soon as available and operationally feasible.
Restrict Cloud Manager HTTP access to trusted administrative networks while remediation is pending.
Monitor Oracle's advisory for updated patch, mitigation, and affected-version details.
Validation and detection
Confirm installed Siebel CRM and Cloud Manager versions using authoritative asset records.
Verify whether Cloud Manager HTTP interfaces are reachable from internet or untrusted network segments.
Review access logs for unexpected unauthenticated requests or anomalous administrative activity.
After remediation, confirm the vendor-prescribed update is installed across every affected instance.
Generated from the cited source records. This long-tail analysis has not been individually reviewed by a named human.
Potential ATT&CK relevance
Conservative CVE-to-ATT&CK context
These mappings and lookup hints may be relevant to the vulnerability behavior, CWE, affected product, or exposure path. Glexia-inferred context is not an official MITRE, ATT&CK, CWE, or CVE Program mapping.
ATT&CK lookup starting points
Use these exact CWE pages and searches to review the Glexia ATT&CK library from this CVE's weakness and description context.
cwe · medium confidence lookup
CWE-284: Authorization and privilege behavior lookup
Authorization weaknesses can support privilege escalation and valid-account review, depending on exploit path. Open the exact CWE lookup page first, then review the ATT&CK searches from that MITRE weakness context. This is a Glexia lookup hint, not an official ATT&CK mapping.
These fields come from the CVE record and ADP containers, not from Glexia's Take. They preserve time-varying source decisions such as CISA SSVC, KEV status, CVSS metrics, and provider references.
1CVSS vectors
3Timeline events
1ADP providers
2Source links
SSVC decision data
CISA-ADPCISA Coordinator
Timestamp
Version
2.0.3
Exploitation: noneAutomatable: yesTechnical Impact: total
CVSS vector scores
1 official score
We collect every scored CVSS vector available in the official CNA and ADP containers. When more than one version is present, the table keeps the source vectors side by side instead of collapsing them into the highest score.
CWE links open Glexia weakness intelligence pages with official CWE context, developer remediation guidance, and related CVE mappings.
CWE-284 · source CWE mapping
Improper Access Control
Improper Access Control represents a recurring weakness pattern that can create exploitable paths when design, validation, or implementation controls are missing.