CVE-2022-26650: Apache Shenyu

High severity, CVSS 7.5. EPSS: 2.7% chance of exploitation in the next 30 days.

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.

Affected products

• Apache Shenyu: version 2.4.0 only; version 2.4.1 only; version 2.4.2 only

Published 2022-05-17. Last modified 2026-06-17.