{
  "affected": [
    {
      "ranges": [
        {
          "database_specific": {
            "versions": [
              {
                "introduced": "0"
              },
              {
                "fixed": "2026.2.19"
              }
            ]
          },
          "events": [
            {
              "introduced": "0"
            },
            {
              "fixed": "2c05cbb43e48ebad03626d3125746fb1b9a8520f"
            },
            {
              "fixed": "74268489137510b6f6349919d1e197b17290d92c"
            },
            {
              "fixed": "7e67ab75cc2f0e93569d12fecd1411c2961fcc8c"
            }
          ],
          "repo": "https://github.com/openclaw/openclaw",
          "type": "GIT"
        }
      ]
    }
  ],
  "aliases": [
    "GHSA-c6hr-w26q-c636"
  ],
  "details": "OpenClaw versions prior to 2026.2.19 construct RegExp objects directly from unescaped Feishu mention metadata in the stripBotMention function, allowing regex injection and denial of service. Attackers can craft nested-quantifier patterns or metacharacters in mention metadata to trigger catastrophic backtracking, block message processing, or remove unintended content before model processing.",
  "id": "CVE-2026-22178",
  "modified": "2026-04-01T23:08:24.251678259Z",
  "published": "2026-03-18T02:16:22.160Z",
  "references": [
    {
      "type": "ADVISORY",
      "url": "https://github.com/openclaw/openclaw/security/advisories/GHSA-c6hr-w26q-c636"
    },
    {
      "type": "ADVISORY",
      "url": "https://www.vulncheck.com/advisories/openclaw-redos-and-regex-injection-via-unescaped-feishu-mention-metadata"
    },
    {
      "type": "FIX",
      "url": "https://github.com/openclaw/openclaw/commit/74268489137510b6f6349919d1e197b17290d92c"
    },
    {
      "type": "FIX",
      "url": "https://github.com/openclaw/openclaw/commit/7e67ab75cc2f0e93569d12fecd1411c2961fcc8c"
    }
  ],
  "severity": [
    {
      "score": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:H",
      "type": "CVSS_V3"
    }
  ]
}