# CVE-2026-83079: Missing authorization in Siebel CRM Cloud Applications

> High-privileged attackers can bypass authorization to read, create, delete, or modify critical Siebel CRM Cloud data.

- **Severity:** High 7.9 (`CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:C/C:H/I:H/A:N`)
- **Exploited in the wild:** Not known
- **Login needed:** An administrator
- **Attackable:** Local or same network only
- **Victim action needed:** Not needed
- **Fix available:** No
- **Published:** 15 Sep 2026
- **Updated:** 17 Sep 2026
- **Also known as:** GHSA-983p-595c-fvrc

## What is CVE-2026-83079?

CVE-2026-83079 is a high-severity missing authorization vulnerability in Oracle Corporation Siebel CRM Cloud Applications, published on 15 Sep 2026. It can only be exploited from the same machine or local network, with no action from the victim.

### Official description

Vulnerability in the Siebel CRM Cloud Applications product of Oracle Siebel CRM (component: Siebel Cloud Manager).  Supported versions that are affected are 22.3-26.7. Easily exploitable vulnerability allows high privileged attacker with logon to the infrastructure where Siebel CRM Cloud Applications executes to compromise Siebel CRM Cloud Applications.  While the vulnerability is in Siebel CRM Cloud Applications, attacks may significantly impact additional products (scope change).  Successful attacks of this vulnerability can result in  unauthorized creation, deletion or modification access to critical data or all Siebel CRM Cloud Applications accessible data as well as  unauthorized access to critical data or complete access to all Siebel CRM Cloud Applications accessible data. CVSS 3.1 Base Score 7.9 (Confidentiality and Integrity impacts).  CVSS Vector: (CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:C/C:H/I:H/A:N).

Weakness: CWE-284 (Improper Access Control)

## Which versions are affected by CVE-2026-83079?


## How do I fix CVE-2026-83079?

No fix has been published for CVE-2026-83079 yet. Limit exposure of the affected software until one is available.

## Is CVE-2026-83079 being exploited?

There is no known exploitation of CVE-2026-83079 in the wild and no public exploit code.

## Fix prompt for AI coding agents

```text
Check this codebase for CVE-2026-83079 and fix it if it is affected.

What it is: CVE-2026-83079 is a high-severity missing authorization vulnerability in Oracle Corporation Siebel CRM Cloud Applications, published on 15 Sep 2026. It can only be exploited from the same machine or local network, with no action from the victim.
Exploitation: There is no known exploitation of CVE-2026-83079 in the wild and no public exploit code.

Affected product: Oracle Corporation Siebel CRM Cloud Applications. No package-level version data is available, so check the vendor advisory linked from the reference page.

Task:
1. Search the dependency manifests and lockfiles (for example package.json, package-lock.json, requirements.txt, poetry.lock, uv.lock, pom.xml, build.gradle, go.mod, Cargo.lock, Gemfile.lock) and any Dockerfiles for the affected packages, including transitive dependencies.
2. If an affected version is in use, upgrade it to the fixed version for its release line with the project's package manager, so the lockfile is regenerated. Prefer the smallest upgrade that fixes it.
3. If there is no fix, or the upgrade would break the build, do not guess: explain the risk and the safest workaround instead.
4. Run the tests and summarise what changed and why.
5. If nothing in the project is affected, say so and change nothing.

Reference: https://insights.sbomify.com/CVE-2026-83079/ (Markdown: https://insights.sbomify.com/CVE-2026-83079/index.md)
```

## Sources

- CVE record: https://www.cve.org/CVERecord?id=CVE-2026-83079
- NVD: https://nvd.nist.gov/vuln/detail/CVE-2026-83079
- OSV: https://osv.dev/vulnerability/CVE-2026-83079

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From sbomify Insights: https://insights.sbomify.com/CVE-2026-83079/
Summaries are generated and may contain mistakes; the official description above is the record.