GitHub Advisoryadvisory · Maven
GHSA-563x-q5rq-57qp Apache Tomcat has an HTTP Request/Response Smuggling vulnerability
HIGH
Official page ↗
- Aliases
- CVE-2026-24880
- Ecosystem
- Maven
- Packages
- org.apache.tomcat:tomcat-coyote, org.apache.tomcat.embed:tomcat-embed-core
- Severity
- High
- CVSS vector
- CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N
- Weaknesses
- CWE-444
- Reviewed
- 2026-04-10
Affected packages
• Maven org.apache.tomcat:tomcat-coyote: >= 7.0.0, < 9.0.116 → fixed in 9.0.116
• Maven org.apache.tomcat:tomcat-coyote: >= 10.1.0-M1, < 10.1.52 → fixed in 10.1.52
• Maven org.apache.tomcat:tomcat-coyote: >= 11.0.0-M1, < 11.0.20 → fixed in 11.0.20
• Maven org.apache.tomcat.embed:tomcat-embed-core: >= 7.0.0, < 9.0.116 → fixed in 9.0.116
• Maven org.apache.tomcat.embed:tomcat-embed-core: >= 10.1.0-M1, < 10.1.52 → fixed in 10.1.52
• Maven org.apache.tomcat.embed:tomcat-embed-core: >= 11.0.0-M1, < 11.0.20 → fixed in 11.0.20
Description
Inconsistent Interpretation of HTTP Requests ('HTTP Request/Response Smuggling') vulnerability in Apache Tomcat via invalid chunk extension.
This issue affects Apache Tomcat: from 11.0.0-M1 through 11.0.18, from 10.1.0-M1 through 10.1.52, from 9.0.0.M1 through 9.0.115, from 8.5.0 through 8.5.100, from 7.0.0 through 7.0.109.
Other, unsupported versions may also be affected.
Users are recommended to upgrade to version 11.0.20, 10.1.52 or 9.0.116, which fix the issue.
Related
Alias · CVE (1)
- CVE-2026-24880 Inconsistent Interpretation of HTTP Requests ('HTTP Request/Response Smuggling') vulnerability in Apache Tomcat via invalid chunk extension. vulnerability
Weakness · CWE (1)
- CWE-444 Inconsistent Interpretation of HTTP Requests weakness
References
- https://nvd.nist.gov/vuln/detail/CVE-2026-24880 advisory
- https://github.com/apache/tomcat/commit/1b586d6aa8ae65726da5fa8799427b5d4718478a web
- https://github.com/apache/tomcat/commit/1e71441a15972f56e661b0b549fb9e5d838b83bb web
- https://github.com/apache/tomcat/commit/2cb06c34f661ca42f7570bbcc21e99806184bcc5 web
- https://github.com/apache/tomcat/commit/6d478dbe18b7c4bb671c30fedf130309b0dab77c web
- https://github.com/apache/tomcat/commit/f07df938d00f7419b40fa65aa912966d0efac522 web
- https://github.com/apache/tomcat/commit/fde1a8235fb73125217bd41e162aa0a113f33552 web
- https://github.com/apache/tomcat package
- https://lists.apache.org/thread/2c682qnlg2tv4o5knlggqbl9yc2gb5sn web
- https://tomcat.apache.org/security-10.html#Fixed_in_Apache_Tomcat_10.1.53 web
- https://tomcat.apache.org/security-11.html#Fixed_in_Apache_Tomcat_11.0.20 web
- https://tomcat.apache.org/security-9.html#Fixed_in_Apache_Tomcat_9.0.116 web
- https://www.herodevs.com/vulnerability-directory/cve-2026-24880 web
- http://www.openwall.com/lists/oss-security/2026/04/09/20 web