CVE-2026-101521CWE-287CWE-306

CVE-2026-101521

Critical · published October 21, 2026

CVSS v3.1
9.8
EPSS
1%
Percentile
43.2
In the wild
Unconfirmed
What it is

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).

The record
Technical detail
CVSS v3.1
9.8 · CRITICAL
Vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
CVSS v4.0
Not supplied
EPSS
0.00518 · 43.2th percentile
Weaknesses
CWE-287 · Improper Authentication; CWE-306 · Missing Authentication for Critical Function
Published
2026-10-21T02:18Z
References (1)
https://www.oracle.com/security-alerts/cpuoct2026.html · [email protected]
EPSS history
Timeline
  • 22 OCT 03:28Z
    EPSS moved — → 1%
    epss
  • 20 OCT 21:21Z
    Vulnerability in Oracle APEX (component: General)
    cvelistv5
  • 20 OCT 21:21Z
    Vulnerability in Oracle APEX (component: General)
    cvelistv5