CVE-2026-47040
published 2026-07-21CVE-2026-47040: Vulnerability in the Oracle Net Services component of Oracle Database Server. Supported versions that are affected are 19.3-19.31, 21.3-21.22 and…
PriorityP259critical9.1CVSS 3.1
AVNACLPRNUINSUCHINAH
EPSS
0.47%
40.1th percentile
Vulnerability in the Oracle Net Services component of Oracle Database Server. Supported versions that are affected are 19.3-19.31, 21.3-21.22 and 23.4.0-23.26.2. Easily exploitable vulnerability allows unauthenticated attacker with network access via Oracle Net to compromise Oracle Net Services. Successful attacks of this vulnerability can result in unauthorized access to critical data or complete access to all Oracle Net Services accessible data and unauthorized ability to cause a hang or frequently repeatable crash (complete DOS) of Oracle Net Services. CVSS 3.1 Base Score 9.1 (Confidentiality and Availability impacts). CVSS Vector: (CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:H).
Affected
6 ranges
| Vendor | Product | Version range | Fixed in |
|---|---|---|---|
| oracle | database_server | 19.3 – 19.31 | — |
| oracle | database_server | 21.3 – 21.22 | — |
| oracle | database_server | 23.4 – 23.26.2 | — |
| oracle_corporation | oracle_net_services | 19.3 – 19.31 | — |
| oracle_corporation | oracle_net_services | 21.3 – 21.22 | — |
| oracle_corporation | oracle_net_services | 23.4.0 – 23.26.2 | — |
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VulDB
Oracle Database Server up to 19.31/21.22/23.26.2 Net Services Remote Code Execution (Nessus ID 330093)
vuldb·2026-07-27·CVSS 9.1
CVE-2026-47040 [CRITICAL] Oracle Database Server up to 19.31/21.22/23.26.2 Net Services Remote Code Execution (Nessus ID 330093)
A vulnerability labeled as critical has been found in Oracle Database Server up to 19.31/21.22/23.26.2. This affects an unknown part of the component Net Services. The manipulation results in Remote Code Execution.
This vulnerability is cataloged as CVE-2026-47040. The attack may be launched remotely. There is no exploit available.
GHSA
Vulnerability in the Oracle Net Services component of Oracle Database Server.
ghsa_unreviewed·2026-07-22
CVE-2026-47040 [CRITICAL] Vulnerability in the Oracle Net Services component of Oracle Database Server.
Vulnerability in the Oracle Net Services component of Oracle Database Server. Supported versions that are affected are 19.3-19.31, 21.3-21.22 and 23.4.0-23.26.2. Easily exploitable vulnerability allows unauthenticated attacker with network access via Oracle Net to compromise Oracle Net Services. Successful attacks of this vulnerability can result in unauthorized access to critical data or complete access to all Oracle Net Services accessible data and unauthorized ability to cause a hang or frequently repeatable crash (complete DOS) of Oracle Net Services. CVSS 3.1 Base Score 9.1 (Confidentiality and Availability impacts). CVSS Vector: (CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:H).
No detection rules found.
No public exploits indexed.
No writeups or analysis indexed.
2026-07-21
Published