Bug 2494723 - CVE-2026-55955 tomcat: Apache Tomcat: Replay attack via improper authentication in EncryptionInterceptor [fedora-all]
Summary: CVE-2026-55955 tomcat: Apache Tomcat: Replay attack via improper authenticati...
Keywords:
Status: CLOSED NEXTRELEASE
Alias: None
Product: Fedora
Classification: Fedora
Component: tomcat
Version: rawhide
Hardware: Unspecified
OS: Unspecified
medium
medium
Target Milestone: ---
Assignee: Dimitris Soumis
QA Contact: Fedora Extras Quality Assurance
URL:
Whiteboard: {"flaws": ["ea862ced-3a41-4a56-8dd7-2...
Depends On:
Blocks: CVE-2026-55955
TreeView+ depends on / blocked
 
Reported: 2026-06-29 22:07 UTC by Jon Weiser
Modified: 2026-07-01 12:15 UTC (History)
6 users (show)

Fixed In Version:
Clone Of:
Environment:
Last Closed: 2026-07-01 12:15:11 UTC
Type: ---
Embargoed:

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Description Jon Weiser 2026-06-29 22:07:55 UTC 
Disclaimer: Community trackers are created by Red Hat Product Security team on a best effort basis. Package maintainers are required to ascertain if the flaw indeed affects their package, before starting the update process.

Improper Authentication vulnerability in Apache Tomcat allowed a replay attack against the EncryptionInterceptor in the cluster component.

This issue affects Apache Tomcat: from 11.0.0-M1 through 11.0.22, from 10.1.0-M1 through 10.1.55, from 9.0.13 through 9.0.18, from 8.5.38 through 8.5.100, from 7.0.100 through 7.0.109.

Users are recommended to upgrade to version 11.0.23, 10.1.56, 9.0.119, which fixes the issue.
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