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CNVD-2026-18573

Vulnerability from cnvd - Published: 2026-04-24

Title

Oracle MySQL Shell Core Client拒绝服务漏洞（CNVD-2026-18573）

Description

Oracle MySQL Shell是一款用于管理和操作MySQL数据库的命令行工具。 Oracle MySQL Shell存在拒绝服务漏洞。该漏洞源于Core Client组件未能正确处理特定输入，攻击者可利用该漏洞通过诱使用户交互导致MySQL Shell挂起或崩溃。

Severity

中

Patch Name

Oracle MySQL Shell Core Client拒绝服务漏洞（CNVD-2026-18573）的补丁

Patch Description

Oracle MySQL Shell是一款用于管理和操作MySQL数据库的命令行工具。 Oracle MySQL Shell存在拒绝服务漏洞。该漏洞源于Core Client组件未能正确处理特定输入，攻击者可利用该漏洞通过诱使用户交互导致MySQL Shell挂起或崩溃。目前，供应商发布了安全公告及相关补丁信息，修复了此漏洞。

Formal description

厂商已发布了漏洞修复程序，请及时关注更新： https://www.oracle.com/security-alerts/cpuapr2026.html

Reference

https://nvd.nist.gov/vuln/detail/CVE-2026-34319

Impacted products

Name
['Oracle mysql shell >=8.0.0，<=8.0.45', 'Oracle mysql shell >=8.4.0，<=8.4.8', 'Oracle mysql shell >=9.0.0，<=9.6.0']

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{
  "cves": {
    "cve": {
      "cveNumber": "CVE-2026-34319",
      "cveUrl": "https://nvd.nist.gov/vuln/detail/CVE-2026-34319"
    }
  },
  "description": "Oracle MySQL Shell\u662f\u4e00\u6b3e\u7528\u4e8e\u7ba1\u7406\u548c\u64cd\u4f5cMySQL\u6570\u636e\u5e93\u7684\u547d\u4ee4\u884c\u5de5\u5177\u3002\n\nOracle MySQL Shell\u5b58\u5728\u62d2\u7edd\u670d\u52a1\u6f0f\u6d1e\u3002\u8be5\u6f0f\u6d1e\u6e90\u4e8eCore Client\u7ec4\u4ef6\u672a\u80fd\u6b63\u786e\u5904\u7406\u7279\u5b9a\u8f93\u5165\uff0c\u653b\u51fb\u8005\u53ef\u5229\u7528\u8be5\u6f0f\u6d1e\u901a\u8fc7\u8bf1\u4f7f\u7528\u6237\u4ea4\u4e92\u5bfc\u81f4MySQL Shell\u6302\u8d77\u6216\u5d29\u6e83\u3002",
  "formalWay": "\u5382\u5546\u5df2\u53d1\u5e03\u4e86\u6f0f\u6d1e\u4fee\u590d\u7a0b\u5e8f\uff0c\u8bf7\u53ca\u65f6\u5173\u6ce8\u66f4\u65b0\uff1a\r\nhttps://www.oracle.com/security-alerts/cpuapr2026.html",
  "isEvent": "\u901a\u7528\u8f6f\u786c\u4ef6\u6f0f\u6d1e",
  "number": "CNVD-2026-18573",
  "openTime": "2026-04-24",
  "patchDescription": "Oracle MySQL Shell\u662f\u4e00\u6b3e\u7528\u4e8e\u7ba1\u7406\u548c\u64cd\u4f5cMySQL\u6570\u636e\u5e93\u7684\u547d\u4ee4\u884c\u5de5\u5177\u3002\r\n\r\nOracle MySQL Shell\u5b58\u5728\u62d2\u7edd\u670d\u52a1\u6f0f\u6d1e\u3002\u8be5\u6f0f\u6d1e\u6e90\u4e8eCore Client\u7ec4\u4ef6\u672a\u80fd\u6b63\u786e\u5904\u7406\u7279\u5b9a\u8f93\u5165\uff0c\u653b\u51fb\u8005\u53ef\u5229\u7528\u8be5\u6f0f\u6d1e\u901a\u8fc7\u8bf1\u4f7f\u7528\u6237\u4ea4\u4e92\u5bfc\u81f4MySQL Shell\u6302\u8d77\u6216\u5d29\u6e83\u3002\u76ee\u524d\uff0c\u4f9b\u5e94\u5546\u53d1\u5e03\u4e86\u5b89\u5168\u516c\u544a\u53ca\u76f8\u5173\u8865\u4e01\u4fe1\u606f\uff0c\u4fee\u590d\u4e86\u6b64\u6f0f\u6d1e\u3002",
  "patchName": "Oracle MySQL Shell Core Client\u62d2\u7edd\u670d\u52a1\u6f0f\u6d1e\uff08CNVD-2026-18573\uff09\u7684\u8865\u4e01",
  "products": {
    "product": [
      "Oracle mysql shell \u003e=8.0.0\uff0c\u003c=8.0.45",
      "Oracle mysql shell \u003e=8.4.0\uff0c\u003c=8.4.8",
      "Oracle mysql shell \u003e=9.0.0\uff0c\u003c=9.6.0"
    ]
  },
  "referenceLink": "https://nvd.nist.gov/vuln/detail/CVE-2026-34319",
  "serverity": "\u4e2d",
  "submitTime": "2026-04-22",
  "title": "Oracle MySQL Shell Core Client\u62d2\u7edd\u670d\u52a1\u6f0f\u6d1e\uff08CNVD-2026-18573\uff09"
}

CVE-2026-34319 (GCVE-0-2026-34319)

Vulnerability from cvelistv5 – Published: 2026-04-21 20:35 – Updated: 2026-04-22 13:38

Summary

Vulnerability in the MySQL Shell product of Oracle MySQL (component: Shell: Core Client). Supported versions that are affected are 8.0.0-8.0.45, 8.4.0-8.4.8 and 9.0.0-9.6.0. Easily exploitable vulnerability allows low privileged attacker with logon to the infrastructure where MySQL Shell executes to compromise MySQL Shell. Successful attacks require human interaction from a person other than the attacker. Successful attacks of this vulnerability can result in unauthorized ability to cause a hang or frequently repeatable crash (complete DOS) of MySQL Shell. CVSS 3.1 Base Score 5.0 (Availability impacts). CVSS Vector: (CVSS:3.1/AV:L/AC:L/PR:L/UI:R/S:U/C:N/I:N/A:H).

Severity

5 (Medium)


                        
                          CVSS:3.1/AV:L/AC:L/PR:L/UI:R/S:U/C:N/I:N/A:H

SSVC

Exploitation: none Automatable: no Technical Impact: partial

CISA Coordinator · CISA-ADP (v2.0.3)

Decision recorded 2026-04-22 13:37 UTC

CWE

Easily exploitable vulnerability allows low privileged attacker with logon to the infrastructure where MySQL Shell executes to compromise MySQL Shell. Successful attacks require human interaction from a person other than the attacker. Successful attacks of this vulnerability can result in unauthorized ability to cause a hang or frequently repeatable crash (complete DOS) of MySQL Shell.
CWE-204 - Observable Response Discrepancy

Assigner

oracle mitre root

References

1 reference

URL	Tags
https://www.oracle.com/security-alerts/cpuapr2026.html	vendor-advisory

Impacted products

1 product

Vendor	Product	Version
Oracle Corporation	MySQL Shell	Affected: 8.0.0 , ≤ 8.0.45 (custom) Affected: 8.4.0 , ≤ 8.4.8 (custom) Affected: 9.0.0 , ≤ 9.6.0 (custom) cpe:2.3:a:oracle:mysql_shell:::::::: cpe:2.3:a:oracle:mysql_shell:::::::: cpe:2.3:a:oracle:mysql_shell::::::::

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{
  "containers": {
    "adp": [
      {
        "metrics": [
          {
            "other": {
              "content": {
                "id": "CVE-2026-34319",
                "options": [
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                    "Exploitation": "none"
                  },
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                  },
                  {
                    "Technical Impact": "partial"
                  }
                ],
                "role": "CISA Coordinator",
                "timestamp": "2026-04-22T13:37:42.568673Z",
                "version": "2.0.3"
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                "description": "CWE-204 Observable Response Discrepancy",
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        "providerMetadata": {
          "dateUpdated": "2026-04-22T13:38:20.250Z",
          "orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
          "shortName": "CISA-ADP"
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      }
    ],
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            },
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              "status": "affected",
              "version": "9.0.0",
              "versionType": "custom"
            }
          ]
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      ],
      "cpeApplicability": [
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          "nodes": [
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        }
      ],
      "metrics": [
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            "baseSeverity": "MEDIUM",
            "confidentialityImpact": "NONE",
            "integrityImpact": "NONE",
            "privilegesRequired": "LOW",
            "scope": "UNCHANGED",
            "userInteraction": "REQUIRED",
            "vectorString": "CVSS:3.1/AV:L/AC:L/PR:L/UI:R/S:U/C:N/I:N/A:H",
            "version": "3.1"
          }
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      "problemTypes": [
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          "descriptions": [
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      "providerMetadata": {
        "dateUpdated": "2026-04-21T20:35:40.067Z",
        "orgId": "43595867-4340-4103-b7a2-9a5208d29a85",
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      "references": [
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          "name": "Oracle Advisory",
          "tags": [
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          "url": "https://www.oracle.com/security-alerts/cpuapr2026.html"
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    "dateReserved": "2026-03-26T19:48:45.681Z",
    "dateUpdated": "2026-04-22T13:38:20.250Z",
    "state": "PUBLISHED"
  },
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  "dataVersion": "5.2"
}

Sightings

Author	Source	Type	Date	Other

Nomenclature

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.

The MITRE ATT&CK techniques below are AI-generated suggestions, inferred from the description of the vulnerability by the CIRCL/vulnerability-attack-technique-classification-roberta-base model, served locally by ML-Gateway. They have not been verified by an analyst and are provided for guidance only.
The approach is described in our paper Mapping CVEs to MITRE ATT&CK Techniques: A Curated Gold-Set Classifier and the Limits of LLM-Assisted Label Expansion.
Browse all ATT&CK techniques and the vulnerabilities related to each.

Related by attack behaviour

Vulnerabilities whose description is nearest to this one in the vector space of the CIRCL/vulnerability-attack-technique-biencoder model. This is a similarity search over the bi-encoder space (plain cosine), not a classification, and it has no measured accuracy.