CVE-2026-73581 Security Details

CVE ID

CVE-2026-73581

CWE

CWE-299

CVE Description

Improper Check for Certificate Revocation vulnerability in Apache Tomcat. Both the OpenSSL and OpenSSL-FFM TLS implementations ignore CRLs when certificate uses a keystore. This issue affects Apache Tomcat: from 11.0.0-M1 through 11.0.25, from 10.1.0-M1 through 10.1.59, from 9.0.0-M1 through 9.0.121. The following versions were EOL at the time the CVE was created but are known to be affected: from 8.5.0 through 8.5.100. Other unsupported versions may also be affected. Users are recommended to upgrade to version 11.0.26, 10.1.59, 9.0.122, which fixes the issue.

Published

Sep 24, 2026

CVSS Score & Severity

6.3Medium

CVSS Vector

CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:N/VC:L/VI:L/VA:N/SC:N/SI:N/SA:N

EPSS Score

0.159%

Malware

malware

KEV Status

Not in KEV Catalog: No known exploits

Vulnerable Methods

org/apache/tomcat/util/net/openssl/OpenSSLContext.addCertificate(Lorg/apache/tomcat/util/net/SSLHostConfigCertificate;)V

JVMVulnerable params: 0

org/apache/tomcat/util/net/openssl/panama/OpenSSLContext.addCertificate(Lorg/apache/tomcat/util/net/SSLHostConfigCertificate;Ljava/lang/foreign/Arena;)Z

JVMVulnerable params: 0

Affected Ecosystems

affected

Source

National Vulnerability Database

References

Apache · AnnouncementPROJECT