CVE-2026-83419 Information disclosure in Oracle Communications Cloud Native Core Security Edge Protection Proxy

Medium 5.4 Published Updated

Low-privileged attackers can read and modify data in Oracle Communications Cloud Native Core SEPP via HTTP.

Exploited in the wild
Not known
Login needed
Any signed-in user
Attackable
Over the internet
Victim action needed
Not needed
Fix
None listed

What is CVE-2026-83419?

CVE-2026-83419 is a medium-severity vulnerability in Oracle Communications Cloud Native Core Security Edge Protection Proxy, published on 15 Sep 2026. Any signed-in user can exploit it over the network, with no action from the victim.

Official description

Vulnerability in the Oracle Communications Cloud Native Core Security Edge Protection Proxy product of Oracle Communications (component: SEPP). Supported versions that are affected are 26.1.200 and 25.2.201. Easily exploitable vulnerability allows low privileged attacker with network access via HTTP to compromise Oracle Communications Cloud Native Core Security Edge Protection Proxy. Successful attacks of this vulnerability can result in unauthorized update, insert or delete access to some of Oracle Communications Cloud Native Core Security Edge Protection Proxy accessible data as well as unauthorized read access to a subset of Oracle Communications Cloud Native Core Security Edge Protection Proxy accessible data. CVSS 3.1 Base Score 5.4 (Confidentiality and Integrity impacts). CVSS Vector: (CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:N).

Weakness: CWE-200

Which versions are affected by CVE-2026-83419?

How do I fix CVE-2026-83419?

No fix has been published for CVE-2026-83419 yet. Limit exposure of the affected software until one is available.

Is CVE-2026-83419 being exploited?

There is no known exploitation of CVE-2026-83419 in the wild and no public exploit code.

Sources

Also known as GHSA-5w4h-j5wf-w79f.

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