CVE-2026-104252 (GCVE-0-2026-104252)

Vulnerability from cvelistv5 – Published: 2026-10-13 19:22 – Updated: 2026-10-13 19:22
VLAI
Title
Vitess vttablet /twopcz reflected XSS
Summary
Vitess is a database clustering system for horizontal scaling of MySQL. Prior to 23.0.5 and 24.0.2, twopczHandler in go/vt/vttablet/tabletserver/twopcz.go writes the Action and dtid form values from the vttablet and vtcombo /twopcz HTTP debug endpoint into a text/html response without HTML escaping. Under the default allow-all ACL policy, a remote unauthenticated attacker can send an operator a crafted request that executes script in the operator's browser after the request is opened. The script runs with the vttablet debug origin and can read same-origin diagnostic endpoints that expose query, transaction, environment, variable, or profiling data available in that deployment. This issue is fixed in versions 23.0.5 and 24.0.2.
Severity
9.8 (Critical)
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
CWE
  • CWE-79 - Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')
Assigner
GitHub_M CNA under the mitre root
CNA scorecard C 72/100 over 7637 records in the last 180 days details
References
Impacted products
Vendor Product Version CPE status
vitessio vitess Affected: < 23.0.5
Affected: >= 24.0.0, < 24.0.2
guessed Create a notification for this product.
Show details on NVD website
To clipboard 

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          "product": "vitess",
          "vendor": "vitessio",
          "versions": [
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              "status": "affected",
              "version": "\u003c 23.0.5"
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              "version": "\u003e= 24.0.0, \u003c 24.0.2"
            }
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      ],
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          "value": "Vitess is a database clustering system for horizontal scaling of MySQL. Prior to 23.0.5 and 24.0.2, twopczHandler in go/vt/vttablet/tabletserver/twopcz.go writes the Action and dtid form values from the vttablet and vtcombo /twopcz HTTP debug endpoint into a text/html response without HTML escaping. Under the default allow-all ACL policy, a remote unauthenticated attacker can send an operator a crafted request that executes script in the operator\u0027s browser after the request is opened. The script runs with the vttablet debug origin and can read same-origin diagnostic endpoints that expose query, transaction, environment, variable, or profiling data available in that deployment. This issue is fixed in versions 23.0.5 and 24.0.2."
        }
      ],
      "metrics": [
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          "cvssV3_1": {
            "attackComplexity": "LOW",
            "attackVector": "NETWORK",
            "availabilityImpact": "HIGH",
            "baseScore": 9.8,
            "baseSeverity": "CRITICAL",
            "confidentialityImpact": "HIGH",
            "integrityImpact": "HIGH",
            "privilegesRequired": "NONE",
            "scope": "UNCHANGED",
            "userInteraction": "NONE",
            "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H",
            "version": "3.1"
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        "shortName": "GitHub_M"
      },
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          "url": "https://github.com/vitessio/vitess/security/advisories/GHSA-v75v-6fpf-gvw8"
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          "tags": [
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          "url": "https://github.com/vitessio/vitess/pull/20274"
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          "tags": [
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          "url": "https://github.com/vitessio/vitess/commit/3140c1846cd120db34f33b2083139b4ab638aed2"
        },
        {
          "name": "https://github.com/vitessio/vitess/commit/976e1e0d78f9d29d02e5e31b4aa7e180648f08af",
          "tags": [
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          "url": "https://github.com/vitessio/vitess/commit/976e1e0d78f9d29d02e5e31b4aa7e180648f08af"
        },
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          "name": "https://github.com/vitessio/vitess/commit/c1ed96302e658190168c971afdac730cf70e43f7",
          "tags": [
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          ],
          "url": "https://github.com/vitessio/vitess/commit/c1ed96302e658190168c971afdac730cf70e43f7"
        },
        {
          "name": "https://github.com/vitessio/vitess/releases/tag/v23.0.5",
          "tags": [
            "x_refsource_MISC"
          ],
          "url": "https://github.com/vitessio/vitess/releases/tag/v23.0.5"
        },
        {
          "name": "https://github.com/vitessio/vitess/releases/tag/v24.0.2",
          "tags": [
            "x_refsource_MISC"
          ],
          "url": "https://github.com/vitessio/vitess/releases/tag/v24.0.2"
        }
      ],
      "source": {
        "advisory": "GHSA-v75v-6fpf-gvw8",
        "discovery": "UNKNOWN"
      },
      "title": "Vitess vttablet /twopcz reflected XSS"
    }
  },
  "cveMetadata": {
    "assignerOrgId": "a0819718-46f1-4df5-94e2-005712e83aaa",
    "assignerShortName": "GitHub_M",
    "cveId": "CVE-2026-104252",
    "datePublished": "2026-10-13T19:22:58.208Z",
    "dateReserved": "2026-10-01T19:04:39.706Z",
    "dateUpdated": "2026-10-13T19:22:58.208Z",
    "state": "PUBLISHED"
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      "date": "2026-10-14",
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      "percentile": "0.58377"
    },
    "nvd": {
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                "vendor": "vitessio",
                "versions": [
                  {
                    "status": "affected",
                    "version": "\u003c 23.0.5"
                  },
                  {
                    "status": "affected",
                    "version": "\u003e= 24.0.0, \u003c 24.0.2"
                  }
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            "source": "security-advisories@github.com"
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        "cveTags": [],
        "descriptions": [
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            "value": "Vitess is a database clustering system for horizontal scaling of MySQL. Prior to 23.0.5 and 24.0.2, twopczHandler in go/vt/vttablet/tabletserver/twopcz.go writes the Action and dtid form values from the vttablet and vtcombo /twopcz HTTP debug endpoint into a text/html response without HTML escaping. Under the default allow-all ACL policy, a remote unauthenticated attacker can send an operator a crafted request that executes script in the operator\u0027s browser after the request is opened. The script runs with the vttablet debug origin and can read same-origin diagnostic endpoints that expose query, transaction, environment, variable, or profiling data available in that deployment. This issue is fixed in versions 23.0.5 and 24.0.2."
          }
        ],
        "id": "CVE-2026-104252",
        "lastModified": "2026-10-13T20:17:12.453",
        "metrics": {
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            "source": "security-advisories@github.com",
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            "source": "security-advisories@github.com",
            "url": "https://github.com/vitessio/vitess/pull/20273"
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            "source": "security-advisories@github.com",
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          {
            "source": "security-advisories@github.com",
            "url": "https://github.com/vitessio/vitess/releases/tag/v23.0.5"
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            "source": "security-advisories@github.com",
            "url": "https://github.com/vitessio/vitess/releases/tag/v24.0.2"
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            "type": "Primary"
          }
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}



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