# CVE-2026-34275: Auth bypass in Oracle Advanced Inbound Telephony

> Unauthenticated attackers can compromise Oracle Advanced Inbound Telephony via HTTP, leading to full system takeover.

- **Severity:** Critical 9.8 (`CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H`)
- **Exploited in the wild:** Not known
- **Login needed:** Not needed
- **Attackable:** Over the internet
- **Victim action needed:** Not needed
- **Fix available:** No
- **Published:** 21 Apr 2026
- **Updated:** 1 May 2026
- **Also known as:** GHSA-h2wx-vfx5-xwj8

## What is CVE-2026-34275?

CVE-2026-34275 is a critical authentication bypass vulnerability in Oracle Advanced Inbound Telephony, published on 21 Apr 2026. An attacker can exploit it over the internet without logging in, with no action from the victim.

### Official description

Vulnerability in the Oracle Advanced Inbound Telephony product of Oracle E-Business Suite (component: Setup and Administration).  Supported versions that are affected are 12.2.3-12.2.15. Easily exploitable vulnerability allows unauthenticated attacker with network access via HTTP to compromise Oracle Advanced Inbound Telephony.  Successful attacks of this vulnerability can result in takeover of Oracle Advanced Inbound Telephony. 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).

Weakness: CWE-306 (Missing Authentication for Critical Functionality)

## Which versions are affected by CVE-2026-34275?

It affects 1 product.


Products: Oracle Advanced Inbound Telephony.

## How do I fix CVE-2026-34275?

No fix has been published for CVE-2026-34275 yet. Limit exposure of the affected software until one is available.

## Is CVE-2026-34275 being exploited?

There is no known exploitation of CVE-2026-34275 in the wild and no public exploit code.

## Other vulnerabilities in Oracle Advanced Inbound Telephony

- [CVE-2026-70722](https://insights.sbomify.com/CVE-2026-70722/): Missing authorization in Oracle Advanced Inbound Telephony (high 8.2)
- [CVE-2016-3532](https://insights.sbomify.com/CVE-2016-3532/): Cross-site scripting in n/a (high 8.2)
- [CVE-2021-2361](https://insights.sbomify.com/CVE-2021-2361/): Missing authorization in Advanced Inbound Telephony (high 8.1)
- [CVE-2026-70725](https://insights.sbomify.com/CVE-2026-70725/): Missing authorization in Oracle Advanced Inbound Telephony (high 7.6)
- [CVE-2026-60491](https://insights.sbomify.com/CVE-2026-60491/): Missing authorization in Oracle Advanced Inbound Telephony (medium 6.3)

## Fix prompt for AI coding agents

```text
Check this codebase for CVE-2026-34275 and fix it if it is affected.

What it is: CVE-2026-34275 is a critical authentication bypass vulnerability in Oracle Advanced Inbound Telephony, published on 21 Apr 2026. An attacker can exploit it over the internet without logging in, with no action from the victim.
Exploitation: There is no known exploitation of CVE-2026-34275 in the wild and no public exploit code.

Affected product: Oracle Advanced Inbound Telephony. 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-2026-34275/ (Markdown: https://insights.sbomify.com/CVE-2026-34275/index.md)
```

## Sources

- CVE record: https://www.cve.org/CVERecord?id=CVE-2026-34275
- NVD: https://nvd.nist.gov/vuln/detail/CVE-2026-34275
- OSV: https://osv.dev/vulnerability/CVE-2026-34275

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From sbomify Insights: https://insights.sbomify.com/CVE-2026-34275/
Summaries are generated and may contain mistakes; the official description above is the record.