HIGH7.5
GHSA-563x-q5rq-57qp
Apache Tomcat has an HTTP Request/Response Smuggling vulnerability
Quick fix
GHSA-563x-q5rq-57qp — org.apache.tomcat:tomcat-coyote: upgrade to the fixed version with the command below.
# pom.xml: bump <version>9.0.116</version> for org.apache.tomcat:tomcat-coyoteDetails
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.
Are you affected?
Enter the version of the package you're using.
Affected packages
Maven/org.apache.tomcat:tomcat-coyote
Introduced in:
7.0.0Fixed in: 9.0.116Fix
# pom.xml: bump <version>9.0.116</version> for org.apache.tomcat:tomcat-coyoteMaven/org.apache.tomcat:tomcat-coyote
Introduced in:
10.1.0-M1Fixed in: 10.1.52Fix
# pom.xml: bump <version>10.1.52</version> for org.apache.tomcat:tomcat-coyoteMaven/org.apache.tomcat:tomcat-coyote
Introduced in:
11.0.0-M1Fixed in: 11.0.20Fix
# pom.xml: bump <version>11.0.20</version> for org.apache.tomcat:tomcat-coyoteMaven/org.apache.tomcat.embed:tomcat-embed-core
Introduced in:
7.0.0Fixed in: 9.0.116Fix
# pom.xml: bump <version>9.0.116</version> for org.apache.tomcat.embed:tomcat-embed-coreMaven/org.apache.tomcat.embed:tomcat-embed-core
Introduced in:
10.1.0-M1Fixed in: 10.1.52Fix
# pom.xml: bump <version>10.1.52</version> for org.apache.tomcat.embed:tomcat-embed-coreMaven/org.apache.tomcat.embed:tomcat-embed-core
Introduced in:
11.0.0-M1Fixed in: 11.0.20Fix
# pom.xml: bump <version>11.0.20</version> for org.apache.tomcat.embed:tomcat-embed-coreReferences
- 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]