HIGHMaven →
Apache Tomcat: LockOutRealm treats user names as case-sensitive
Apache Tomcat: LockOutRealm treats user names as case-sensitive
Affected packages
- org.apache.tomcat.embed:tomcat-embed-core— before 9.0.118
- org.apache.tomcat:tomcat— before 9.0.118
- org.apache.tomcat:tomcat-catalina— before 9.0.118
Exploit signal
- Known exploited (CISA KEV)
- No
- EPSS score
- —
- EPSS percentile
- —
EPSS is the probability a CVE is exploited in the wild; percentile is its rank among all CVEs.
Sources
- https://nvd.nist.gov/vuln/detail/CVE-2026-43513
- https://github.com/apache/tomcat/commit/4a90d3fa93988c447cd5bb7482f76ff70d7f15c2
- https://github.com/apache/tomcat/commit/6dd75beb55bd42fc5f78e929596b25018cd17717
- https://github.com/apache/tomcat/commit/83f3e51df7b87f5f6e626951c575ded1a512e8ef
- https://github.com/apache/tomcat
- https://lists.apache.org/thread/ytjcgldshj73lcnd1sh95od5hrghwogp
- https://tomcat.apache.org/security-10.html
- https://tomcat.apache.org/security-11.html
- https://tomcat.apache.org/security-9.html
- http://www.openwall.com/lists/oss-security/2026/05/12/9
Structured record: https://osv.dev/vulnerability/GHSA-5mp6-jrq3-r938
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