{"id":"CVE-2022-26650","aliases":["EUVD-2022-3643","GHSA-cw56-j3fm-7w57"],"status":"published","title":"Apache ShenYu (incubating) Regular expression denial of service","description":"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.","severity":{"version":"3.1","score":7.5,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H","level":"high","assessor":"primary","from":"nvd"},"epss":{"day":"2026-11-09","score":0.02663,"percentile":0.85819,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":true},"cwes":["CWE-1333","CWE-862"],"published":"2022-05-17T08:05:10Z","modified":"2026-10-28T02:30:56Z","fixes":[{"ecosystem":"Maven","package":"org.apache.shenyu:shenyu","fixed_in":["2.4.3"],"sources":["ghsa","osv"]},{"ecosystem":"Maven","package":"org.apache.shenyu:shenyu-bootstrap","fixed_in":["2.4.3"],"sources":["ghsa","osv"]}],"affected":[{"source":"ghsa","ecosystem":"Maven","package":"org.apache.shenyu:shenyu","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"2.4.0"},{"fixed":"2.4.3"}]}]},{"source":"ghsa","ecosystem":"Maven","package":"org.apache.shenyu:shenyu-bootstrap","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"2.4.0"},{"fixed":"2.4.3"}]}]},{"source":"osv","ecosystem":"Maven","package":"org.apache.shenyu:shenyu","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"2.4.0"},{"fixed":"2.4.3"}]}],"versions":["2.4.0","2.4.1","2.4.2"]},{"source":"osv","ecosystem":"Maven","package":"org.apache.shenyu:shenyu-bootstrap","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"2.4.0"},{"fixed":"2.4.3"}]}],"versions":["2.4.0","2.4.1","2.4.2"]}],"products":[{"vendor":"apache","product":"shenyu"},{"vendor":"apache software foundation","product":"apache shenyu (incubating)"}],"references":[{"url":"https://lists.apache.org/thread/8rp33m3nm4bwtx3qx76mqynth3t3d673","tags":["x_refsource_MISC","x_transferred","Mailing List","Vendor Advisory","web"]},{"url":"http://www.openwall.com/lists/oss-security/2022/05/17/3","tags":["mailing-list","x_refsource_MLIST","x_transferred","Mailing List","Patch","Third Party Advisory","article","web"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2022-26650","tags":["advisory"]},{"url":"https://github.com/advisories/GHSA-cw56-j3fm-7w57"},{"url":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2022/26xxx/CVE-2022-26650.json","tags":["advisory"]},{"url":"https://github.com/apache/incubator-shenyu","tags":["package"]}],"sources":{"cve":[{"id":"CVE-2022-26650","title":"Apache ShenYu (incubating) Regular expression denial of service","description":"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.","status":"published","published":"2022-05-17T08:05:10Z","modified":"2024-08-03T05:11:43.499Z","cwes":["CWE-1333"],"updated_at":"2026-11-02T14:34:25.954329Z"}],"euvd":[{"id":"EUVD-2022-3643","description":"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.","status":"published","published":"2022-05-17T08:05:10Z","modified":"2024-08-03T05:11:43Z","updated_at":"2026-11-03T03:25:44.694159Z"}],"ghsa":[{"id":"GHSA-cw56-j3fm-7w57","title":"Regular expression denial of service in Apache ShenYu","description":"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.","status":"published","published":"2022-05-18T00:00:47Z","modified":"2023-07-11T16:35:32Z","cvss":[{"version":"3.1","score":7.5,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H","level":"high"}],"cwes":["CWE-862","CWE-1333"],"updated_at":"2026-11-02T14:36:56.605555Z"}],"nvd":[{"id":"CVE-2022-26650","description":"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.","status":"published","published":"2022-05-17T08:15:06.423Z","modified":"2026-06-17T04:35:35.393Z","cvss":[{"version":"3.1","score":7.5,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H","level":"high","assessor":"primary"},{"version":"2.0","score":5,"vector":"AV:N/AC:L/Au:N/C:N/I:N/A:P","level":"medium","assessor":"primary"}],"cwes":["CWE-1333"],"updated_at":"2026-11-02T14:07:20.264424Z"}],"osv":[{"id":"GHSA-cw56-j3fm-7w57","title":"Regular expression denial of service in Apache ShenYu","description":"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.","status":"published","published":"2022-05-18T00:00:47Z","modified":"2024-02-16T08:24:11.530974Z","cvss":[{"version":"3.1","score":7.5,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H","level":"high"}],"cwes":["CWE-1333","CWE-862"],"updated_at":"2026-11-02T15:46:45.639885Z"},{"id":"CVE-2022-26650","title":"Apache ShenYu (incubating) Regular expression denial of service","description":"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.","status":"published","published":"2022-05-17T08:05:10Z","modified":"2026-10-28T02:30:56.906757787Z","cwes":["CWE-1333"],"updated_at":"2026-11-02T15:44:24.758293Z"}]}}