{
  "affected": [
    {
      "ranges": [
        {
          "database_specific": {
            "extracted_events": [
              {
                "introduced": "0"
              },
              {
                "fixed": "1.69.0"
              }
            ],
            "source": "AFFECTED_FIELD"
          },
          "events": [
            {
              "introduced": "0"
            },
            {
              "fixed": "7ea760dd4c4e30e12795a83726c38cdce7ea6522"
            }
          ],
          "repo": "https://github.com/aws/language-servers",
          "type": "GIT"
        }
      ]
    }
  ],
  "aliases": [
    "GHSA-6v3r-4p5c-mrp5"
  ],
  "database_specific": {
    "cna_assigner": "AMZN",
    "cwe_ids": [
      "CWE-61"
    ],
    "osv_generated_from": "https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/12xxx/CVE-2026-12958.json"
  },
  "details": "Missing symlink validation in Language Servers for AWS may allow an arbitrary file write outside of the workspace trust boundary. This may occur when a local user opens a workspace with a maliciously crafted symlink that resolves to a file path outside the workspace trust boundary.\n\n\n\nTo remediate this issue, users should upgrade to version 1.69.0 or higher.",
  "id": "CVE-2026-12958",
  "modified": "2026-07-15T01:49:04.129487191Z",
  "published": "2026-06-23T16:03:01.746Z",
  "references": [
    {
      "type": "ADVISORY",
      "url": "https://aws.amazon.com/security/security-bulletins/2026-047-aws/"
    },
    {
      "type": "ADVISORY",
      "url": "https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/12xxx/CVE-2026-12958.json"
    },
    {
      "type": "ADVISORY",
      "url": "https://github.com/aws/language-servers/security/advisories/GHSA-6v3r-4p5c-mrp5"
    },
    {
      "type": "ADVISORY",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2026-12958"
    }
  ],
  "schema_version": "1.8.0",
  "severity": [
    {
      "score": "CVSS:4.0/AV:L/AC:L/AT:N/PR:N/UI:P/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N",
      "type": "CVSS_V4"
    }
  ],
  "summary": "Arbitrary file write in Language Servers for AWS"
}