CVE-2026-41293
CVE-2026-41293 is a critical-severity vulnerability in Apache Tomcat with a CVSS 3.x base score of 9.8. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-20.
Key facts
- Severity: Critical (CVSS 3.x base score 9.8)
- EPSS exploit prediction: 2% (76th percentile)
- Actively exploited: Not listed in CISA KEV
- EU (EUVD) id: EUVD-2026-29514
- Weakness: CWE-20
- Affected product: Apache Tomcat
- Published:
- Last modified:
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.
Frequently asked questions
- What is CVE-2026-41293?
- 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.
- How severe is CVE-2026-41293?
- CVE-2026-41293 has a CVSS 3.x base score of 9.8, rated critical severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.
- Is CVE-2026-41293 being actively exploited?
- It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 2% (76th percentile), an estimate of the probability of exploitation in the next 30 days.
- What products are affected by CVE-2026-41293?
- CVE-2026-41293 affects Apache Tomcat. See the affected-products list for the exact vulnerable versions.
- How do I fix CVE-2026-41293?
- Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its critical severity, prioritise patching exposed systems.
- Does CVE-2026-41293 have an EU (EUVD) identifier?
- Yes. CVE-2026-41293 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2026-29514.
- When was CVE-2026-41293 published?
- CVE-2026-41293 was published on 2026-05-12 and last updated on 2026-06-17.
References
- https://lists.apache.org/thread/qwg0q16z7xkb2qrr853wdll5531mvl1r
- http://www.openwall.com/lists/oss-security/2026/05/12/13
Affected products (1)
- cpe:2.3:a:apache:tomcat:*:*:*:*:*:*:*:*
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