CVE-2026-61318: oracle corporation siebel crm cloud applications Improper Access Control
Vulnerability summary
CVE-2026-61318 is a critical (CVSS 9.8) Improper Access Control vulnerability in oracle corporation siebel crm cloud applications. EPSS estimates a 0.51% chance of exploitation in the next 30 days, higher than 42.1% of scored vulnerabilities.
Timeline
- 18-08-2026PublishedVulnerability first disclosed.
- 20-08-2026Last modifiedVulnerability information updated.
Description
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).
CVSS metrics
2 scores · 2 sources · 1 version- NVDNIST9.8CriticalCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
EPSS trend
Probability
0.51%
Chance of exploitation in the next 30 days
Percentile
42%
Versus all other CVEs
30-day change
0.00 pp
From 0.51% on 19-09-2026
Known exploited
Compare KEV catalogsNot in any of the 3 tracked catalogs.
Public exploits
0 foundNo public exploits indexed.
Weaknesses
CWE · root causeAffected systems
Oracle1 product
- siebel_crm≥ 22.3, ≤ 26.6
Oracle corporation1 product
- siebel crm cloud applications≥ 22.3, ≤ 26.6
2 vendors · 2 products
References
1 links- www.oracle.com/security-alerts/cspuaug2026.htmlVendor Advisory