Release notes from opentofu v1.12.7

{
  "id": "132c14ce0393f7720f93ec3ec9c880d59b46bb450c20f1952f94ac4b73eef5d1",
  "url": "https://github.com/opentofu/opentofu/releases/tag/v1.12.7",
  "method": "llm",
  "payload": {
    "kind": "patch",
    "title": "Release notes from opentofu v1.12.7",
    "summary": "OpenTofu v1.12.7 addresses a connection deadlock when remote-exec or file provisioners connect to an attacker-controlled SSH server that sends unexpected packet types.",
    "evidence": "v1.12.7\n\nSECURITY ADVISORIES: When using either a remote-exec or file provisioner to connect to an attacker-controlled SSH server, the server could previously deadlock the connection by sending certain unexpected packet types. (#4551) This addresses the upstream Go security advisories CVE-2026-78662 and CVE-2026-56855.",
    "products": [
      {
        "name": {
          "value": "opentofu",
          "evidence": "Release notes from opentofu"
        },
        "prerequisites": [
          {
            "value": "using either a remote-exec or file provisioner to connect to an attacker-controlled SSH server",
            "evidence": "When using either a remote-exec or file provisioner to connect to an attacker-controlled SSH server"
          }
        ],
        "fixed_versions": [
          {
            "value": "v1.12.7",
            "evidence": "v1.12.7"
          }
        ],
        "affected_versions": []
      }
    ],
    "severity": "unknown",
    "fixed_cves": [],
    "related_cves": [
      {
        "value": "CVE-2026-78662",
        "evidence": "This addresses the upstream Go security advisories CVE-2026-78662 and CVE-2026-56855."
      },
      {
        "value": "CVE-2026-56855",
        "evidence": "This addresses the upstream Go security advisories CVE-2026-78662 and CVE-2026-56855."
      }
    ],
    "security_relevant": true,
    "severity_evidence": null
  },
  "source_id": "github-opentofu-opentofu",
  "document_id": 22061,
  "published_at": "2026-10-01T18:40:21+00:00"
}