CVE-2026-55955
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.
- Affected products
- Apache Tomcat
- Apache Tomcat
- < 9.0.119, 10.1.56, 11.0.23
- Fix
- Available
- CVSS 3.1
- 6.5 MEDIUM
- EPSS
- 0.5% (38th percentile)
- Weakness
- CWE-287
- NVD status
- Analyzed
- Published
- 2026-06-29
CVE-2026-55955 at NVD
No indexed exploits for CVE-2026-55955 yet
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No exploit for CVE-2026-55955 has been indexed yet. Our index is built from live traffic and upstream syncs, so this page can only say what it knows — not that no exploit exists.