Improper Encoding or Escaping of Output in Crafty Controller

{
  "id": "f9bf37ed4f90adb2c35b506265ee498864ad47870258de4c7b916356e21f154a",
  "url": "https://osv.dev/vulnerability/CVE-2026-18516",
  "method": "structured",
  "payload": {
    "kind": "advisory",
    "title": "Improper Encoding or Escaping of Output in Crafty Controller",
    "summary": "An output escaping vulnerability in the Audit Logs component of Crafty Controller allows a remote, unauthenticated attacker to perform stored cross-site scripting via HTTP header injection",
    "evidence": "osv:CVE-2026-18516",
    "products": [],
    "severity": "critical",
    "structured": {
      "id": "CVE-2026-18516",
      "aliases": [
        "CVE-2026-18516"
      ],
      "metrics": [
        {
          "type": "CVSS_V3",
          "score": "CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:H/I:H/A:H"
        }
      ],
      "affected": [
        {
          "ranges": [
            {
              "repo": "https://gitlab.com/crafty-controller/crafty-4",
              "type": "GIT",
              "events": [
                {
                  "introduced": "0"
                },
                {
                  "last_affected": "992f586ab6e158c5d8e2b27c1bbf17ca5689e99c"
                }
              ],
              "database_specific": {
                "extracted_events": [
                  {
                    "range": [
                      {
                        "introduced": "0"
                      },
                      {
                        "last_affected": "4.10.8"
                      }
                    ],
                    "source": "AFFECTED_FIELD",
                    "strategy": "StandardRange"
                  }
                ]
              }
            }
          ],
          "versions": [
            "v4.10.8",
            "v4.10.7",
            "v4.10.6",
            "v4.10.5",
            "v4.10.4",
            "v4.10.3",
            "v4.10.2",
            "v4.10.1",
            "v4.10.0",
            "v4.9.0",
            "v4.8.0",
            "v4.7.0",
            "v4.6.2",
            "v4.6.1",
            "v4.5.5",
            "v4.5.4",
            "v4.5.3",
            "v4.5.2",
            "v4.5.1",
            "v4.5.0",
            "v4.4.11",
            "v4.4.10",
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            "v4.4.7",
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            "v4.4.0",
            "v4.3.2",
            "v4.3.1",
            "v4.3.0",
            "v4.2.3",
            "v4.2.2",
            "v4.2.1",
            "v4.2.0",
            "v4.1.3",
            "v4.1.2",
            "v4.1.1",
            "v4.1.0",
            "v4.0.22",
            "v4.0.21",
            "v4.0.20",
            "v4.0.19",
            "v4.0.18",
            "v4.0.16",
            "v4.0.15-beta",
            "v4.0.14-beta",
            "v4.0.13-beta",
            "v4.0.12-beta",
            "v4.0.11-beta",
            "v4.0.10-beta",
            "v4.0.9-beta",
            "v4.0.8-beta",
            "v4.0.7-beta",
            "v4.0.6-beta",
            "v4.0.5-beta",
            "v4.0.4-beta-hotfix2",
            "v4.0.4-hotfix",
            "v4.0.4-beta",
            "v4.0.3-beta",
            "v4.0.2-beta-hotfix.1",
            "v4.0.2",
            "v4.0.0-beta-hotfix.1",
            "v4.0.0-beta",
            "v4.0.0-alpha-3.5",
            "v4.0.0-alpha-3-hotfix.2",
            "v4.0.0-alpha-3-hotfix.1",
            "4.0.0-alpha.3",
            "v4.0.0-alpha.2"
          ],
          "database_specific": {
            "source": "https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2026-18516.json"
          }
        }
      ],
      "modified": "2026-10-28T02:30:30.143764182Z",
      "provider": "osv",
      "references": [
        "https://gitlab.com/crafty-controller/crafty-4/-/work_items/743",
        "https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/18xxx/CVE-2026-18516.json",
        "https://nvd.nist.gov/vuln/detail/CVE-2026-18516",
        "https://gitlab.com/crafty-controller/crafty-4"
      ],
      "provider_metadata": {
        "cwe_ids": [
          "CWE-116"
        ],
        "cna_assigner": "GitLab",
        "osv_generated_from": "https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/18xxx/CVE-2026-18516.json"
      }
    },
    "related_cves": [
      {
        "value": "CVE-2026-18516",
        "evidence": "/id"
      }
    ],
    "security_relevant": true,
    "severity_evidence": "/severity/0/score"
  },
  "source_id": "core-osv",
  "document_id": 497243,
  "published_at": "2026-10-16T13:37:55.079+00:00"
}