CVE-2026-101765: oracle corporation oracle communications billing and revenue management Improper Authentication
Vulnerability summary
CVE-2026-101765 is a critical (CVSS 9.1) Improper Authentication vulnerability in oracle corporation oracle communications billing and revenue management. EPSS estimates a 0.40% chance of exploitation in the next 30 days, higher than 32.7% of scored vulnerabilities.
Timeline
- 20-10-2026PublishedVulnerability first disclosed.
- 21-10-2026Last modifiedVulnerability information updated.
Description
Vulnerability in the Oracle Communications Billing and Revenue Management product of Oracle Communications (component: BRM Server). Supported versions that are affected are 15.0.0.0.0, 15.0.1.0.0, 15.1.0.0.0 and 15.2.0.0.0. Easily exploitable vulnerability allows unauthenticated attacker with network access via HTTP to compromise Oracle Communications Billing and Revenue Management. Successful attacks of this vulnerability can result in unauthorized creation, deletion or modification access to critical data or all Oracle Communications Billing and Revenue Management accessible data as well as unauthorized access to critical data or complete access to all Oracle Communications Billing and Revenue Management accessible data. CVSS 3.1 Base Score 9.1 (Confidentiality and Integrity impacts). CVSS Vector: (CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N).
CVSS metrics
2 scores · 2 sources · 1 version- NVDNIST9.1CriticalCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N
EPSS trend
Probability
0.40%
Chance of exploitation in the next 30 days
Percentile
33%
Versus all other CVEs
30-day change
Change unavailable
Change unavailable
Known exploited
Compare KEV catalogsNot in any of the 3 tracked catalogs.
Public exploits
0 foundNo public exploits indexed.
Weaknesses
CWE · root cause- CWE-287Improper AuthenticationWhen an actor claims to have a given identity, the product does not prove or insufficiently proves that the claim is correct.
- CWE-306Missing Authentication for Critical FunctionThe product does not perform any authentication for functionality that requires a provable user identity or consumes a significant amount of resources.
Affected systems
Oracle corporation1 product
- oracle communications billing and revenue management15.0.0.0.0 | 15.0.1.0.0 | 15.1.0.0.0 | 15.2.0.0.0
1 vendor · 1 product
References
1 links- www.oracle.com/security-alerts/cpuoct2026.htmlVendor Advisory