CVE-2022-26650

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.

Remediation

Workaround:

  • Upgrade to Apache ShenYu (incubating) 2.4.3 or apply patch https://github.com/apache/incubator-shenyu/pull/2975.

Category

7.5
CVSS
Severity: High
CVSS 3.1 •
CVSS 2.0 •
EPSS 0.61%
Vendor Advisory apache.org
Affected: Apache Software Foundation Apache ShenYu (incubating)
Published at:
Updated at:

References

Link Tags
https://lists.apache.org/thread/8rp33m3nm4bwtx3qx76mqynth3t3d673 mailing list vendor advisory
http://www.openwall.com/lists/oss-security/2022/05/17/3 mailing list third party advisory patch

Frequently Asked Questions

What is the severity of CVE-2022-26650?
CVE-2022-26650 has been scored as a high severity vulnerability.
How to fix CVE-2022-26650?
As a workaround for remediating CVE-2022-26650: Upgrade to Apache ShenYu (incubating) 2.4.3 or apply patch https://github.com/apache/incubator-shenyu/pull/2975.
Is CVE-2022-26650 being actively exploited in the wild?
As for now, there are no information to confirm that CVE-2022-26650 is being actively exploited. According to its EPSS score, there is a ~1% probability that this vulnerability will be exploited by malicious actors in the next 30 days.
What software or system is affected by CVE-2022-26650?
CVE-2022-26650 affects Apache Software Foundation Apache ShenYu (incubating) .
This platform uses data from the NIST NVD, MITRE CVE, MITRE CWE, First.org and CISA KEV but is not endorsed or certified by these entities. CVE is a registred trademark of the MITRE Corporation and the authoritative source of CVE content is MITRE's CVE web site. CWE is a registred trademark of the MITRE Corporation and the authoritative source of CWE content is MITRE's CWE web site.
© 2025 Under My Watch. All Rights Reserved.