clickhouse-26.6 — security advisory

{
  "id": "0d9ee7c83dfc01324809563ac78b96863abb0f63b7ab22081d450fb0a61ea768",
  "url": "https://osv.dev/vulnerability/CGA-x94r-96cw-fqcf",
  "method": "structured",
  "payload": {
    "kind": "advisory",
    "title": "CGA-x94r-96cw-fqcf",
    "summary": "CGA-x94r-96cw-fqcf",
    "evidence": "osv:CGA-x94r-96cw-fqcf",
    "products": [
      {
        "name": {
          "value": "clickhouse-26.6",
          "evidence": "/affected/0/package/name"
        },
        "prerequisites": [],
        "fixed_versions": [
          {
            "value": "26.6.8.7-r3",
            "evidence": "/affected/0/ranges"
          }
        ],
        "affected_versions": []
      }
    ],
    "severity": "critical",
    "structured": {
      "id": "CGA-x94r-96cw-fqcf",
      "aliases": [
        "CGA-x94r-96cw-fqcf"
      ],
      "metrics": [
        {
          "type": "CVSS_V4",
          "score": "CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N"
        }
      ],
      "affected": [
        {
          "ranges": [
            {
              "type": "ECOSYSTEM",
              "events": [
                {
                  "introduced": "0"
                },
                {
                  "fixed": "26.6.8.7-r3"
                }
              ]
            }
          ],
          "package": {
            "name": "clickhouse-26.6",
            "purl": "pkg:apk/chainguard/clickhouse-26.6?arch=x86_64",
            "ecosystem": "Chainguard"
          },
          "database_specific": {
            "source": "https://advisories.cgr.dev/chainguard/v3/osv/CGA-x94r-96cw-fqcf.json",
            "chainguard": {
              "applies_to_subpackages": false
            }
          },
          "ecosystem_specific": {
            "components": [
              {
                "component_name": "clickhouse-26.6",
                "component_purl": "pkg:apk/clickhouse-26.6",
                "component_type": "apk",
                "component_version": "",
                "component_location": "/.PKGINFO",
                "latest_event_status": "fixed",
                "latest_event_timestamp": "2026-10-27T11:15:32Z"
              }
            ]
          }
        }
      ],
      "modified": "2026-10-27T13:46:11.622832597Z",
      "provider": "osv",
      "upstream": [
        "CVE-2026-111497",
        "GHSA-9v8h-qqgm-4m35"
      ],
      "references": [
        "https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/111xxx/CVE-2026-111497.json",
        "https://github.com/google/brotli",
        "https://nodejs.org/en/blog/vulnerability/october-2026-security-releases#nodejs-brotli-decoder-out-of-bounds-write-permits-remote-code-execution-cve-2026-111497---high",
        "https://nvd.nist.gov/vuln/detail/CVE-2026-111497",
        "https://lists.debian.org/debian-lts-announce/2026/10/msg00049.html",
        "https://github.com/advisories/GHSA-9v8h-qqgm-4m35"
      ]
    },
    "related_cves": [
      {
        "value": "CVE-2026-111497",
        "evidence": "/upstream"
      }
    ],
    "security_relevant": true,
    "severity_evidence": "/severity/0/score"
  },
  "source_id": "core-osv",
  "document_id": 462493,
  "published_at": "2026-10-27T11:15:32+00:00"
}