VulnerabilityAnalyzed
CVE-2026-41293
Improper Input Validation vulnerability in Apache Tomcat.
CRITICAL 9.8EPSS 1.56%
Does this matter?
High impact if exploited, but EPSS currently rates exploitation as unlikely (1.56%). Schedule it in the normal patch cycle and watch for a rise in EPSS or a public exploit.
Description
Improper Input Validation vulnerability in Apache Tomcat. This issue affects Apache Tomcat: from 11.0.0-M1 through 11.0.21, from 10.1.0-M1 through 10.1.54, from 9.0.0.M1 through 9.0.117, from 10.0.0-M1 through 10.0.27. Older, end of support versions may also be affected. Users are recommended to upgrade to version [FIXED_VERSION], which fixes the issue.
- CVSS 3.1
- 9.8 CRITICALCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
- EPSS
- 1.56% probability · 74th percentile
- CISA KEV
- Not listed
- Weakness
- CWE-20
- Affected
- apache/tomcat
- Source
- security@apache.org
References
- https://lists.apache.org/thread/qwg0q16z7xkb2qrr853wdll5531mvl1rMailing List, Vendor Advisory
- http://www.openwall.com/lists/oss-security/2026/05/12/13Mailing List, Third Party Advisory
Source: NVD record, EPSS from FIRST.org, KEV from CISA. Refreshed daily.