CVE-2026-35277 Missing authorization in Oracle REST Data Services

High 8.1 Published 28 May 2026 Updated 29 May 2026

Low-privileged attackers can unauthorizedly read, create, delete, or modify critical data in Oracle REST Data Services via network access.

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-2026-35277?

CVE-2026-35277 is a high-severity missing authorization vulnerability in Oracle REST Data Services, published on 28 May 2026. Any signed-in user can exploit it over the network, with no action from the victim.

Official description

Vulnerability in Oracle REST Data Services (component: Core). Supported versions that are affected are 24.2.0-26.1.0. Easily exploitable vulnerability allows low privileged attacker with network access via HTTPS to compromise Oracle REST Data Services. Successful attacks of this vulnerability can result in unauthorized creation, deletion or modification access to critical data or all Oracle REST Data Services accessible data as well as unauthorized access to critical data or complete access to all Oracle REST Data Services accessible data. CVSS 3.1 Base Score 8.1 (Confidentiality and Integrity impacts). CVSS Vector: (CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:N).

Weakness: CWE-400, CWE-284

Which versions are affected by CVE-2026-35277?

It affects 1 product.

Products include Oracle Rest Data Services.

How do I fix CVE-2026-35277?

No fix has been published for CVE-2026-35277 yet. Limit exposure of the affected software until one is available.

Upgrade, and check permissions on every request on the server, not only in the interface. More about Missing authorization.

Is CVE-2026-35277 being exploited?

There is no known exploitation of CVE-2026-35277 in the wild and no public exploit code.

Sources

Also known as GHSA-r62f-9j49-pfm3.