Critical severity · published Oct 20, 2026
CVE-2026-101503
Vulnerability in Oracle Trusted Answer Search (component: PLSQL package)
9.9
CVSS
0.5%
EPSS
No
On KEV
Description
Vulnerability in Oracle Trusted Answer Search (component: PLSQL package). The supported version that is affected is 26.1. Easily exploitable vulnerability allows low privileged attacker with network access via Oracle Net to compromise Oracle Trusted Answer Search. While the vulnerability is in Oracle Trusted Answer Search, attacks may significantly impact additional products (scope change). Successful attacks of this vulnerability can result in takeover of Oracle Trusted Answer Search. CVSS 3.1 Base Score 9.9 (Confidentiality, Integrity and Availability impacts). CVSS Vector: (CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H).
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H
Attack vector
Network
Complexity
Low
Privileges
Low
User interaction
None
Confidentiality
High
Integrity
High
Availability
High
Scope
Changed
Exploitation
Is it being used?
Exploit prediction (EPSS)0.5% · higher than 41% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
OT
Oracle Trusted Answer Search · Oracle Corporation
26.1 · source: vendor
Affected product
OT
Oracle Trusted Answer Search
Oracle Corporation
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2026-101503
CVE.org
https://www.cve.org/CVERecord?id=CVE-2026-101503
www.oracle.com
https://www.oracle.com/security-alerts/cpuoct2026.html
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