codex — security advisory

{
  "id": "5399d4271d89990a33877ccc1dcd06ef9cd27cad31b4ea73dd0b556d9a432b65",
  "url": "https://osv.dev/vulnerability/CGA-f55v-37g5-mxqm",
  "method": "structured",
  "payload": {
    "kind": "advisory",
    "title": "CGA-f55v-37g5-mxqm",
    "summary": "CGA-f55v-37g5-mxqm",
    "evidence": "osv:CGA-f55v-37g5-mxqm",
    "products": [
      {
        "name": {
          "value": "codex",
          "evidence": "/affected/0/package/name"
        },
        "prerequisites": [],
        "fixed_versions": [
          {
            "value": "0.162.1-r1",
            "evidence": "/affected/0/ranges"
          }
        ],
        "affected_versions": []
      },
      {
        "name": {
          "value": "codex",
          "evidence": "/affected/1/package/name"
        },
        "prerequisites": [],
        "fixed_versions": [
          {
            "value": "0.162.1-r1",
            "evidence": "/affected/1/ranges"
          }
        ],
        "affected_versions": []
      }
    ],
    "severity": "high",
    "structured": {
      "id": "CGA-f55v-37g5-mxqm",
      "aliases": [
        "CGA-f55v-37g5-mxqm"
      ],
      "metrics": [
        {
          "type": "CVSS_V3",
          "score": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H"
        },
        {
          "type": "CVSS_V4",
          "score": "CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N"
        }
      ],
      "affected": [
        {
          "ranges": [
            {
              "type": "ECOSYSTEM",
              "events": [
                {
                  "introduced": "0"
                },
                {
                  "fixed": "0.162.1-r1"
                }
              ]
            }
          ],
          "package": {
            "name": "codex",
            "purl": "pkg:apk/chainguard/codex?arch=aarch64",
            "ecosystem": "Chainguard"
          },
          "database_specific": {
            "source": "https://advisories.cgr.dev/chainguard/v3/osv/CGA-f55v-37g5-mxqm.json"
          },
          "ecosystem_specific": {
            "components": [
              {
                "component_name": "aws-smithy-json",
                "component_purl": "pkg:cargo/aws-smithy-json@0.61.9",
                "component_type": "rust-crate",
                "component_version": "0.61.9",
                "component_location": "/usr/lib/codex/bin/codex",
                "latest_event_status": "fixed",
                "latest_event_timestamp": "2026-10-15T14:18:37Z"
              }
            ]
          }
        },
        {
          "ranges": [
            {
              "type": "ECOSYSTEM",
              "events": [
                {
                  "introduced": "0"
                },
                {
                  "fixed": "0.162.1-r1"
                }
              ]
            }
          ],
          "package": {
            "name": "codex",
            "purl": "pkg:apk/wolfi/codex?arch=aarch64",
            "ecosystem": "Wolfi"
          },
          "database_specific": {
            "source": "https://advisories.cgr.dev/chainguard/v3/osv/CGA-f55v-37g5-mxqm.json"
          },
          "ecosystem_specific": {
            "components": [
              {
                "component_name": "aws-smithy-json",
                "component_purl": "pkg:cargo/aws-smithy-json@0.61.9",
                "component_type": "rust-crate",
                "component_version": "0.61.9",
                "component_location": "/usr/lib/codex/bin/codex",
                "latest_event_status": "fixed",
                "latest_event_timestamp": "2026-10-15T14:18:37Z"
              }
            ]
          }
        }
      ],
      "modified": "2026-10-15T16:31:05.481968737Z",
      "provider": "osv",
      "upstream": [
        "CVE-2026-18140",
        "GHSA-8ffr-xgwf-xj56"
      ],
      "references": [
        "https://github.com/smithy-lang/smithy-rs/security/advisories/GHSA-8ffr-xgwf-xj56",
        "https://nvd.nist.gov/vuln/detail/CVE-2026-18140",
        "https://github.com/smithy-lang/smithy-rs/pull/4685",
        "https://github.com/smithy-lang/smithy-rs/commit/8f0882046c467981ba5b4fd91a10befa96bd262f",
        "https://aws.amazon.com/security/security-bulletins/2026-067-aws",
        "https://crates.io/crates/aws-smithy-json/0.62.7",
        "https://github.com/smithy-lang/smithy-rs"
      ]
    },
    "related_cves": [
      {
        "value": "CVE-2026-18140",
        "evidence": "/upstream"
      }
    ],
    "security_relevant": true,
    "severity_evidence": "/severity/1/score"
  },
  "source_id": "core-osv",
  "document_id": 333431,
  "published_at": "2026-10-03T13:59:08+00:00"
}