Vulnerability details
CVE-2026-34487
Apache Software Foundation Apache Tomcat
Apache Tomcat: Cloud membership for clustering component exposed the Kubernetes bearer token
CVSS 3.1
7.5High
Official description
Insertion of Sensitive Information into Log File vulnerability in the cloud membership for clustering component of Apache Tomcat exposed the Kubernetes bearer token. This issue affects Apache Tomcat: from 11.0.0-M1 through 11.0.20, from 10.1.0-M1 through 10.1.53, from 9.0.13 through 9.0.116. Users are recommended to upgrade to version 11.0.21, 10.1.54 or 9.0.117, which fix the issue.
CVSS scores
| Score | Version | Source | Vector |
|---|---|---|---|
| 7.5High | 3.1 | CISA ADP / Vulnrichment (CISA-ADP) | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N |
Affected products
| Vendor | Product | Versions | Source |
|---|---|---|---|
| Apache Software Foundation | Apache Tomcat | 10.1.0-M1 ≤ v ≤ 10.1.53 | CVEProject cvelistV5 (CNA) |
| Apache Software Foundation | Apache Tomcat | 11.0.0-M1 ≤ v ≤ 11.0.20 | CVEProject cvelistV5 (CNA) |
| Apache Software Foundation | Apache Tomcat | 9.0.13 ≤ v ≤ 9.0.116 | CVEProject cvelistV5 (CNA) |
References and advisories
2
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Details
- Published
- 2026-04-09
- Last updated
- 2026-04-10
- State
- Published
- Assigner (CNA)
- apache
Exploit prediction (EPSS)
0.45%
Probability of exploitation in 30 days
39.6%
Percentile (among all CVEs)
SSVC assessment (CISA)
- Automatable
- Yes
- Exploitation
- None
- Technical impact
- Partial
Weaknesses (CWE)
- CWE-532Insertion of Sensitive Information into Log File