Incorrect authorization in Strands Agents Tools http_request proxy credential exfiltration

{
  "id": "7c344a3cbb609c65f9eb37534055db5dbb006436135ce097fd673ef57efb4ed7",
  "url": "https://osv.dev/vulnerability/CVE-2026-18394",
  "method": "structured",
  "payload": {
    "kind": "advisory",
    "title": "Incorrect authorization in Strands Agents Tools http_request proxy credential exfiltration",
    "summary": "Incorrect authorization in the http_request tool in Strands Agents Tools before 0.8.2 might allow remote attackers to obtain credentials configured via HTTP_REQUEST_TOKEN_CONFIG by influencing the LLM to route requests through actor-controlled proxy infrastructure. To remediate this issue, users should upgrade to version 0.8.2.",
    "evidence": "osv:CVE-2026-18394",
    "products": [],
    "severity": "medium",
    "structured": {
      "id": "CVE-2026-18394",
      "aliases": [
        "CVE-2026-18394",
        "GHSA-qhw6-2h72-m84v"
      ],
      "metrics": [
        {
          "type": "CVSS_V4",
          "score": "CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:A/VC:H/VI:N/VA:N/SC:N/SI:N/SA:N"
        }
      ],
      "affected": [
        {
          "ranges": [
            {
              "repo": "https://github.com/strands-agents/tools",
              "type": "GIT",
              "events": [
                {
                  "introduced": "0"
                },
                {
                  "fixed": "ee184bcb66fdc99a1459936ae1f173a676595466"
                }
              ],
              "database_specific": {
                "extracted_events": [
                  {
                    "range": [
                      {
                        "introduced": "0"
                      },
                      {
                        "fixed": "0.8.2"
                      }
                    ],
                    "source": "AFFECTED_FIELD",
                    "strategy": "StandardRange"
                  },
                  {
                    "range": [
                      {
                        "fixed": "ee184bcb66fdc99a1459936ae1f173a676595466"
                      }
                    ],
                    "source": "REFERENCES_TAG",
                    "original_tag": "v0.8.2"
                  },
                  {
                    "range": [
                      {
                        "introduced": "0"
                      },
                      {
                        "fixed": "0.8.2"
                      }
                    ],
                    "source": "DESCRIPTION"
                  }
                ]
              }
            }
          ],
          "versions": [
            "v0.8.1",
            "v0.8.0",
            "v0.7.0",
            "v0.6.0",
            "v0.5.3",
            "v0.5.2",
            "v0.5.1",
            "v0.5.0",
            "v0.4.1",
            "v0.4.0",
            "v0.3.0",
            "v0.2.23",
            "v0.2.22",
            "v0.2.21",
            "v0.2.20",
            "v0.2.19",
            "v0.2.18",
            "v0.2.17",
            "v0.2.16",
            "v0.2.15",
            "v0.2.14",
            "v0.2.13",
            "v0.2.12",
            "v0.2.11",
            "v0.2.10",
            "v0.2.9",
            "v0.2.8",
            "v0.2.7",
            "v0.2.6",
            "v0.2.5",
            "v0.2.4",
            "v0.2.3",
            "v0.2.2",
            "v0.2.1",
            "v0.2.0",
            "v0.1.9",
            "v0.1.8",
            "v0.1.7",
            "v0.1.6",
            "v0.1.5",
            "v0.1.0"
          ],
          "database_specific": {
            "source": "https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2026-18394.json"
          }
        }
      ],
      "modified": "2026-10-28T02:30:21.053806560Z",
      "provider": "osv",
      "references": [
        "https://aws.amazon.com/security/security-bulletins/2026-069-aws/",
        "https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/18xxx/CVE-2026-18394.json",
        "https://github.com/strands-agents/tools/security/advisories/GHSA-qhw6-2h72-m84v",
        "https://nvd.nist.gov/vuln/detail/CVE-2026-18394",
        "https://github.com/strands-agents/tools/releases/tag/v0.8.2"
      ],
      "provider_metadata": {
        "cwe_ids": [
          "CWE-863"
        ],
        "cna_assigner": "AMZN",
        "osv_generated_from": "https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/18xxx/CVE-2026-18394.json"
      }
    },
    "related_cves": [
      {
        "value": "CVE-2026-18394",
        "evidence": "/id"
      }
    ],
    "security_relevant": true,
    "severity_evidence": "/severity/0/score"
  },
  "source_id": "core-osv",
  "document_id": 487333,
  "published_at": "2026-07-31T19:34:15.007+00:00"
}