Apache Software FoundationCVE-2026-73581
Improper Check for Certificate Revocation vulnerability in Apache Tomcat
Medium6.5CVE-2026-73581 · Published Sep 23, 2026 · updated Sep 30, 2026
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.
Affected versions
| Package | Affected | Fixed in |
|---|---|---|
| Apache Tomcat Product | >= 11.0.0-M1, <= 11.0.25 | No fix yet |
| >= 10.1.0-M1, <= 10.1.59 | No fix yet | |
| >= 9.0.0.M1, <= 9.0.121 | No fix yet | |
| >= 8.5.0, <= 8.5.100 | No fix yet |
Details and references
- CVSS 3.1
- CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:N
- Severity from
- CISA (its enrichment of the CVE record)
- Weakness
- CWE-299
More Apache Software Foundation advisories
All Apache Software Foundation| Date | Advisory | Severity | Fixed in |
|---|---|---|---|
| Sep 23 | Apache Tomcat: authentication bypass | Critical9.8 | No fix yet |
| Sep 23 | Apache Tomcat: race condition | High8.1 | No fix yet |
| Sep 23 | Apache Sling XSS: cross-site scripting | Medium6.1 | 2.4.12 |
| Sep 23 | Apache Sling XSS: cross-site scripting | Medium6.1 | 2.4.12 |
| Sep 23 | Apache Sling XSS: cross-site scripting | Medium6.1 | 2.4.12 |
| Sep 23 | Apache Sling XSS: cross-site scripting | Medium6.1 | 2.4.12 |