CVE-2026-104252

{
  "id": "CVE-2026-104252",
  "sourceIdentifier": "[email protected]",
  "published": "2026-10-13T20:17:12.453",
  "lastModified": "2026-10-23T15:14:48.240",
  "vulnStatus": "Analyzed",
  "cveTags": [],
  "descriptions": [
    {
      "lang": "en",
      "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'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."
    }
  ],
  "affected": [
    {
      "source": "[email protected]",
      "affectedData": [
        {
          "vendor": "vitessio",
          "product": "vitess",
          "versions": [
            {
              "version": "< 23.0.5",
              "status": "affected"
            },
            {
              "version": ">= 24.0.0, < 24.0.2",
              "status": "affected"
            }
          ]
        }
      ]
    }
  ],
  "metrics": {
    "cvssMetricV31": [
      {
        "source": "[email protected]",
        "type": "Secondary",
        "cvssData": {
          "version": "3.1",
          "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H",
          "baseScore": 9.8,
          "baseSeverity": "CRITICAL",
          "attackVector": "NETWORK",
          "attackComplexity": "LOW",
          "privilegesRequired": "NONE",
          "userInteraction": "NONE",
          "scope": "UNCHANGED",
          "confidentialityImpact": "HIGH",
          "integrityImpact": "HIGH",
          "availabilityImpact": "HIGH"
        },
        "exploitabilityScore": 3.9,
        "impactScore": 5.9
      }
    ],
    "ssvcV203": [
      {
        "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
        "ssvcData": {
          "timestamp": "2026-10-15T13:23:55.916133Z",
          "id": "CVE-2026-104252",
          "options": [
            {
              "exploitation": "none"
            },
            {
              "automatable": "yes"
            },
            {
              "technicalImpact": "total"
            }
          ],
          "role": "CISA Coordinator",
          "version": "2.0.3"
        }
      }
    ]
  },
  "weaknesses": [
    {
      "source": "[email protected]",
      "type": "Secondary",
      "description": [
        {
          "lang": "en",
          "value": "CWE-79"
        }
      ]
    }
  ],
  "configurations": [
    {
      "nodes": [
        {
          "operator": "OR",
          "negate": false,
          "cpeMatch": [
            {
              "vulnerable": true,
              "criteria": "cpe:2.3:a:linuxfoundation:vitess:*:*:*:*:*:*:*:*",
              "versionEndExcluding": "23.0.5",
              "matchCriteriaId": "323FA536-9A32-48CC-AC1D-F2271518B540"
            },
            {
              "vulnerable": true,
              "criteria": "cpe:2.3:a:linuxfoundation:vitess:*:*:*:*:*:*:*:*",
              "versionStartIncluding": "24.0.0",
              "versionEndExcluding": "24.0.2",
              "matchCriteriaId": "29DB9DB7-5C82-4CAB-BEDF-64C26B17BCA3"
            }
          ]
        }
      ]
    }
  ],
  "references": [
    {
      "url": "https://github.com/vitessio/vitess/commit/3140c1846cd120db34f33b2083139b4ab638aed2",
      "source": "[email protected]",
      "tags": [
        "Patch"
      ]
    },
    {
      "url": "https://github.com/vitessio/vitess/commit/976e1e0d78f9d29d02e5e31b4aa7e180648f08af",
      "source": "[email protected]",
      "tags": [
        "Patch"
      ]
    },
    {
      "url": "https://github.com/vitessio/vitess/commit/c1ed96302e658190168c971afdac730cf70e43f7",
      "source": "[email protected]",
      "tags": [
        "Patch"
      ]
    },
    {
      "url": "https://github.com/vitessio/vitess/pull/20255",
      "source": "[email protected]",
      "tags": [
        "Issue Tracking",
        "Patch"
      ]
    },
    {
      "url": "https://github.com/vitessio/vitess/pull/20273",
      "source": "[email protected]",
      "tags": [
        "Issue Tracking",
        "Patch"
      ]
    },
    {
      "url": "https://github.com/vitessio/vitess/pull/20274",
      "source": "[email protected]",
      "tags": [
        "Issue Tracking",
        "Patch"
      ]
    },
    {
      "url": "https://github.com/vitessio/vitess/releases/tag/v23.0.5",
      "source": "[email protected]",
      "tags": [
        "Release Notes"
      ]
    },
    {
      "url": "https://github.com/vitessio/vitess/releases/tag/v24.0.2",
      "source": "[email protected]",
      "tags": [
        "Release Notes"
      ]
    },
    {
      "url": "https://github.com/vitessio/vitess/security/advisories/GHSA-v75v-6fpf-gvw8",
      "source": "[email protected]",
      "tags": [
        "Vendor Advisory",
        "Exploit",
        "Mitigation"
      ]
    }
  ]
}