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

Critical 9.8 Published 21 Apr 2026 Updated 1 May 2026

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

Exploited in the wild: Not known
Login needed: Not needed
Attackable: Over the internet
Victim action needed: Not needed
Fix: None listed

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

Which versions are affected by CVE-2026-34275?

It affects 1 product.

Products include 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.

Upgrade, and rotate credentials and sessions that may have been exposed. More about Authentication bypass.

Is CVE-2026-34275 being exploited?

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

Sources

Also known as GHSA-h2wx-vfx5-xwj8.