CVE-2026-101521

Severity: critical (CVSS 9.8 v3.1)
Exploited in the wild: not listed in CISA KEV
EPSS: 0.6% probability of exploitation in the next 30 days
Public exploit or detection template: none known
Published: 2026-10-20 · updated 2026-10-22
Weakness: CWE-287

Description

Vulnerability in Oracle APEX (component: General). Supported versions that are affected are 24.1.0-24.1.21, 24.2.0-24.2.20 and 26.1.0-26.1.4. Easily exploitable vulnerability allows unauthenticated attacker with network access via HTTPS to compromise Oracle APEX. Successful attacks of this vulnerability can result in takeover of Oracle APEX. 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).

Affected products

Oracle Corporation Oracle APEX: from 24.1.0 through 24.1.21; from 24.2.0 through 24.2.20; from 26.1.0 through 26.1.4

References

https://www.oracle.com/security-alerts/cpuoct2026.html

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