{
  "affected": [
    {
      "ranges": [
        {
          "database_specific": {
            "versions": [
              {
                "introduced": "0"
              },
              {
                "last_affected": "2.4.0"
              },
              {
                "introduced": "0"
              },
              {
                "last_affected": "2.4.1"
              },
              {
                "introduced": "0"
              },
              {
                "last_affected": "2.4.2"
              }
            ]
          },
          "events": [
            {
              "introduced": "0"
            },
            {
              "last_affected": "dc841a2720ea0b5a6ca71f1b9c1aa7958d241f16"
            },
            {
              "introduced": "0"
            },
            {
              "last_affected": "3c6e3a0a3134e59dc200cd68c85576d5bafc2f3b"
            },
            {
              "introduced": "0"
            },
            {
              "last_affected": "794a3be979fc8f08e22e40f3ce75644df9c74dad"
            }
          ],
          "repo": "https://github.com/apache/incubator-shenyu",
          "type": "GIT"
        }
      ]
    }
  ],
  "details": "In Apache ShenYui, ShenYu-Bootstrap, RegexPredicateJudge.java uses Pattern.matches(conditionData.getParamValue(), realData) to make judgments, where both parameters are controllable by the user. This can cause an attacker pass in malicious regular expressions and characters causing a resource exhaustion. This issue affects Apache ShenYu (incubating) 2.4.0, 2.4.1 and 2.4.2 and is fixed in 2.4.3.",
  "id": "CVE-2022-26650",
  "modified": "2026-03-13T21:50:41.310290664Z",
  "published": "2022-05-17T08:15:06.423Z",
  "references": [
    {
      "type": "ADVISORY",
      "url": "https://lists.apache.org/thread/8rp33m3nm4bwtx3qx76mqynth3t3d673"
    },
    {
      "type": "FIX",
      "url": "http://www.openwall.com/lists/oss-security/2022/05/17/3"
    }
  ],
  "severity": [
    {
      "score": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H",
      "type": "CVSS_V3"
    }
  ]
}