CVE-2026-71100 (GCVE-0-2026-71100)

Vulnerability from cvelistv5 – Published: 2026-08-18 21:03 – Updated: 2026-08-18 21:03
VLAI
Summary
Vulnerability in the RDBMS 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 network access via Oracle Net to compromise RDBMS. Successful attacks of this vulnerability can result in unauthorized read access to a subset of RDBMS accessible data. CVSS 3.1 Base Score 5.3 (Confidentiality impacts). CVSS Vector: (CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N).
Severity
5.3 (Medium)
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N
CWE
  • Easily exploitable vulnerability allows unauthenticated attacker with network access via Oracle Net to compromise RDBMS. Successful attacks of this vulnerability can result in unauthorized read access to a subset of RDBMS accessible data.
Assigner
References
Impacted products
Vendor Product Version CPE status
Oracle Corporation Oracle Database Server Affected: 19.3 , ≤ 19.32 (custom)
Affected: 21.3 , ≤ 21.23 (custom)
Affected: 23.4.0 , ≤ 23.26.3 (custom)
    cpe:2.3:a:oracle:database_-_rdbms:*:*:*:*:*:*:*:*
    cpe:2.3:a:oracle:database_-_rdbms:*:*:*:*:*:*:*:*
    cpe:2.3:a:oracle:database_-_rdbms:*:*:*:*:*:*:*:*
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    "dateReserved": "2026-08-04T22:06:34.617Z",
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  }
}



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Forecast uses a logistic model when the trend is rising, or an exponential decay model when the trend is falling. Fitted via linearized least squares.

Sightings

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  • Seen: The vulnerability was mentioned, discussed, or observed by the user.
  • Confirmed: The vulnerability has been validated from an analyst's perspective.
  • Published Proof of Concept: A public proof of concept is available for this vulnerability.
  • Exploited: The vulnerability was observed as exploited by the user who reported the sighting.
  • Patched: The vulnerability was observed as successfully patched by the user who reported the sighting.
  • Not exploited: The vulnerability was not observed as exploited by the user who reported the sighting.
  • Not confirmed: The user expressed doubt about the validity of the vulnerability.
  • Not patched: The vulnerability was not observed as successfully patched by the user who reported the sighting.


Detection rules are retrieved from Rulezet.