CVE-2026-41284
CVE-2026-41284 is a high-severity vulnerability in Apache Tomcat with a CVSS 3.x base score of 7.5. 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-770.
Key facts
- Severity: High (CVSS 3.x base score 7.5)
- EPSS exploit prediction: 1% (52nd percentile)
- Actively exploited: Not listed in CISA KEV
- EU (EUVD) id: EUVD-2026-29513
- Weakness: CWE-770
- Affected product: Apache Tomcat
- Published:
- Last modified:
Description
Allocation of Resources Without Limits or Throttling 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. Older, unsupported versions may also be affected. Users are recommended to upgrade to version [FIXED_VERSION], which fixes the issue.
Frequently asked questions
- What is CVE-2026-41284?
- Allocation of Resources Without Limits or Throttling 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. Older, unsupported versions may also be affected. Users are recommended to upgrade to version [FIXED_VERSION], which fixes the issue.
- How severe is CVE-2026-41284?
- CVE-2026-41284 has a CVSS 3.x base score of 7.5, rated high severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is none, integrity none, and availability high.
- Is CVE-2026-41284 being actively exploited?
- It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (52nd percentile), an estimate of the probability of exploitation in the next 30 days.
- What products are affected by CVE-2026-41284?
- CVE-2026-41284 affects Apache Tomcat. See the affected-products list for the exact vulnerable versions.
- How do I fix CVE-2026-41284?
- Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.
- Does CVE-2026-41284 have an EU (EUVD) identifier?
- Yes. CVE-2026-41284 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2026-29513.
- When was CVE-2026-41284 published?
- CVE-2026-41284 was published on 2026-05-12 and last updated on 2026-06-17.
References
- https://lists.apache.org/thread/2nvqjr7ovjmvx2vbhb7s61ycd5msc8qc
- http://www.openwall.com/lists/oss-security/2026/05/12/12
Affected products (1)
- cpe:2.3:a:apache:tomcat:*:*:*:*:*:*:*:*
More vulnerabilities in Apache Tomcat
- CVE-2026-43512 — Critical (CVSS 9.8): DEPRECATED: Authentication Bypass Issues vulnerability in digest authentication in Apache Tomcat. This issue affects…
- CVE-2026-41293 — Critical (CVSS 9.8): Improper Input Validation vulnerability in Apache Tomcat. This issue affects Apache Tomcat: from 11.0.0-M1 through…
- CVE-2025-31651 — Critical (CVSS 9.8): Improper Neutralization of Escape, Meta, or Control Sequences vulnerability in Apache Tomcat. For a subset of unlikely…
- CVE-2025-24813 — Critical (CVSS 9.8): Path Equivalence: 'file.Name' (Internal Dot) leading to Remote Code Execution and/or Information disclosure and/or…
- CVE-2024-56337 — Critical (CVSS 9.8): Time-of-check Time-of-use (TOCTOU) Race Condition vulnerability in Apache Tomcat. This issue affects Apache Tomcat:…
- CVE-2024-50379 — Critical (CVSS 9.8): Time-of-check Time-of-use (TOCTOU) Race Condition vulnerability during JSP compilation in Apache Tomcat permits an RCE…
All CVEs affecting Apache Tomcat →
Other CWE-770 (Allocation of Resources Without Limits or Throttling) vulnerabilities
- CVE-2026-31283 — Critical (CVSS 9.8): In Totara LMS v19.1.5 and before, the forgot password API does not implement rate limiting for the target email…
- CVE-2020-37067 — Critical (CVSS 9.8): Filetto 1.0 FTP server contains a denial of service vulnerability in the FEAT command processing that allows attackers…
- CVE-2021-47875 — Critical (CVSS 9.8): GeoGebra CAS Calculator 6.0.631.0 contains a denial of service vulnerability that allows attackers to crash the…
- CVE-2025-11832 — Critical (CVSS 9.8): Allocation of Resources Without Limits or Throttling vulnerability in Azure Access Technology BLU-IC2, Azure Access…
- CVE-2024-44241 — Critical (CVSS 9.8): The issue was addressed with improved bounds checks. This issue is fixed in iOS 18.1 and iPadOS 18.1, macOS Sequoia…
- CVE-2022-3439 — Critical (CVSS 9.8): Allocation of Resources Without Limits or Throttling in GitHub repository ikus060/rdiffweb prior to 2.5.0.
Browse all CWE-770 (Allocation of Resources Without Limits or Throttling) vulnerabilities →