What is CVE-2026-46840?

CVE-2026-46840 is a critical-severity vulnerability in Oracle Rest_data_services, classified under Improper Access Control. CVSS score: 10.0/10. Published 2026-05-28.

How severe is CVE-2026-46840?

Critical severity. CVSS v3 base score is 10.0 out of 10.

Is CVE-2026-46840 known to be exploited?

1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.

Auth bypass in Oracle Rest_data_services

CVE-2026-46840

Vulnerability in Oracle REST Data Services (component: Backend-as-a-Service). Supported versions that are affected are 24.2.0-26.1.0. Easily exploitable vulnerability allows unauthenticated attacker with network access via HTTPS to compro…

EPSS: 0.001 (17.4th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 10.0 (Critical). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H.

Affected products

Oracle Rest_data_services
Oracle Corporation Rest Data Services — versions 24.2.0

Weakness classification (CWE)

Public proof-of-concept exploits

fangbarristerbar/CVE-2026-46840-ORDS-RCE

References

secalert_us@oracle.com (vendor-advisory, Vendor Advisory)

Frequently asked questions

What is CVE-2026-46840?: CVE-2026-46840 is a critical-severity vulnerability in Oracle Rest_data_services, classified under Improper Access Control. CVSS score: 10.0/10. Published 2026-05-28.
How severe is CVE-2026-46840?: Critical severity. CVSS v3 base score is 10.0 out of 10.
Is CVE-2026-46840 known to be exploited?: 1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.