CVE-2026-71063Critical· 9.6▾ MidnightVulnerability in the Portable Clusterware component of Oracle Database Server. Supported versions that are affected are 19.3-19.32, 21.3-21.23 and 23.4.0-23.26.3. Easily exploitable vulnerability allows unauthenticated attacker with ac…
▾ Midnight zone — Critical, or high with PoC / in-the-wild
impact 52.8 · likelihood 0.1 · exploitation 0
Need a working PoC? Pro members can cast a request and our team develops one — it lands right here.
Stakeholder-Specific Vulnerability Categorization from CISA's ADP record at CVE.org: whether exploitation is observed, whether an attack can be automated, and how much of the system is at stake. The CVSS score shown above comes from the assigning CNA record, not NVD.
Exploit-prediction probability, daily snapshots since Sep 17.
Disclosure to exploitation, from the record and what we observed since indexing it.
Disclosed via CVEORG
Last analysed / modified upstream
0.3%
Vulnerability in the Portable Clusterware component of Oracle Database Server. Supported versions that are affected are 19.3-19.32, 21.3-21.23 and 23.4.0-23.26.3. Easily exploitable vulnerability allows unauthenticated attacker with access to the physical communication segment attached to the hardware where the Portable Clusterware executes to compromise Portable Clusterware. While the vulnerability is in Portable Clusterware, attacks may significantly impact additional products (scope change). Successful attacks of this vulnerability can result in takeover of Portable Clusterware. CVSS 3.1 Base Score 9.6 (Confidentiality, Integrity and Availability impacts). CVSS Vector: (CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H).
oracle_database_server >= 19.3 <= 19.32oracle_database_server >= 21.3 <= 21.23oracle_database_server >= 23.4.0 <= 23.26.3Refer to the linked advisories for vendor-supplied fixes and affected version ranges.
Connected by shared product, vendor, weakness, or advisory.
CVE-2026-71100Medium· 5.3Vulnerability in the RDBMS component of Oracle Database Server
CVE-2026-83350High· 7.5Vulnerability in the Oracle Net Services component of Oracle Database Server
CVE-2026-83351High· 8.1Vulnerability in the RDBMS component of Oracle Database Server
CVE-2026-83347Medium· 6.5Vulnerability in the Oracle Net Services component of Oracle Database Server
CVE-2026-83348High· 8.8Vulnerability in the RDBMS component of Oracle Database Server
CVE-2026-83349High· 7.5Vulnerability in the Oracle Net Services component of Oracle Database Server