What is CVE-2026-61140?

CVE-2026-61140 is a critical-severity vulnerability in Oracle Webcenter Sites, classified under Improper Access Control. CVSS score: 9.8/10. Published 2026-07-21.

How severe is CVE-2026-61140?

Critical severity. CVSS v3 base score is 9.8 out of 10.

Auth bypass in Oracle Webcenter Sites

CVE-2026-61140

Vulnerability in the Oracle WebCenter Sites product of Oracle Fusion Middleware (component: WebCenter Sites). The supported version that is affected is 14.1.2.0.0. Easily exploitable vulnerability allows unauthenticated attacker with network access via HTTP to compromise Oracle WebCenter Sites. Successful attacks of this vulnerability can result in takeover of Oracle WebCenter Sites. 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).

EPSS: 0.005 (39.9th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 9.8 (Critical). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H.

Affected products

Oracle Webcenter_sites — versions 14.1.2.0.0
Oracle Corporation Webcenter Sites — versions 14.1.2.0.0

Weakness classification (CWE)

References

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

Frequently asked questions

What is CVE-2026-61140?: CVE-2026-61140 is a critical-severity vulnerability in Oracle Webcenter Sites, classified under Improper Access Control. CVSS score: 9.8/10. Published 2026-07-21.
How severe is CVE-2026-61140?: Critical severity. CVSS v3 base score is 9.8 out of 10.