critical9.1
CVE-2026-86350
Inconsistent interpretation of HTTP/2 requests ('HTTP Request/Response smuggling') vulnerability in Apache Tomcat caused by a regression in fix for CVE-2026-41…
Impact
Inconsistent interpretation of HTTP/2 requests ('HTTP Request/Response smuggling') vulnerability in Apache Tomcat caused by a regression in fix for CVE-2026-41293 can trigger request header mix-up. This issue affects Apache Tomcat: from 11.0.22 through 11.0.25, from 10.1.55 through 10.1.59, from 9.0.118 through 9.0.121. Users are recommended to upgrade to version 11.0.26, 10.1.60 or 9.0.122, which fix the issue.
Affected products
| Vendor | Product | Affected versions |
|---|---|---|
| Apache | Apache Tomcat: From 11.0.22 | through 11.0.25 |
| From 10.1.55 | through 10.1.59 | |
| From 9.0.118 | through 9.0.121. |
Versions were read from the advisory text. No structured product data has been published for this record yet.