CVE-2026-41293— Apache Tomcat: HTTP/2 request headers not validated
Possible ATT&CK Techniques 1AI
T1190 · Exploit Public-Facing ApplicationAffected Version Matrix 5
| Vendor | Product | Version Range | Status |
|---|---|---|---|
| Apache Software Foundation | Apache Tomcat | 11.0.0-M1≤ 11.0.21 | affected |
10.1.0-M1≤ 10.1.54 | affected | ||
9.0.0.M1≤ 9.0.117 | affected | ||
10.0.0-M1≤ 10.0.27 | affected | ||
8.5.0≤ 8.5.100 | affected |
Get alerts for future matching vulnerabilitiesLog in to subscribe
I. Basic Information for CVE-2026-41293
Vulnerability Information
Have questions about the vulnerability? See if Shenlong's analysis helps!
View Shenlong Deep Dive ↗ Although we use advanced large model technology, its output may still contain inaccurate or outdated information.Shenlong tries to ensure data accuracy, but please verify and judge based on the actual situation.
Vulnerability Title
Apache Tomcat: HTTP/2 request headers not validated
Source: NVD (National Vulnerability Database)
Vulnerability 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.
Source: NVD (National Vulnerability Database)
CVSS Information
N/A
Source: NVD (National Vulnerability Database)
Vulnerability Type
输入验证不恰当
Source: NVD (National Vulnerability Database)
Vulnerability Title
Apache Tomcat 输入验证错误漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Apache Tomcat是美国阿帕奇（Apache）基金会的一款轻量级Web应用服务器。用于实现对Servlet和JavaServer Page（JSP）的支持。 Apache Tomcat 11.0.0-M1版本至11.0.21版本、10.1.0-M1版本至10.1.54版本、9.0.0.M1版本至9.0.117版本和10.0.0-M1版本至10.0.27版本存在输入验证错误漏洞，该漏洞源于输入验证不当。
Source: CNNVD (China National Vulnerability Database)
CVSS Information
N/A
Source: CNNVD (China National Vulnerability Database)
Vulnerability Type
N/A
Source: CNNVD (China National Vulnerability Database)
Affected Products
| Vendor | Product | Affected Versions | CPE | Subscribe |
|---|---|---|---|---|
| Apache Software Foundation | Apache Tomcat | 11.0.0-M1 ~ 11.0.21 | - |
II. Public POCs for CVE-2026-41293
| # | POC Description | Source Link | Shenlong Link |
|---|
AI-Generated POCPremium
No public POC found.
Login to generate AI POCIII. Intelligence Information for CVE-2026-41293
请登录查看更多情报信息。
Same Patch Batch · Apache Software Foundation · 2026-05-12 · 7 CVEs total
| CVE-2026-41284 | Apache Tomcat: Unbounded read in WebDAV LOCK and PROPFIND handling | |
| CVE-2026-42498 | Apache Tomcat: WebSocket authentication header exposure | |
| CVE-2026-43512 | Apache Tomcat: Digest authenticator will authenticate any unknown user | |
| CVE-2026-43513 | Apache Tomcat: LockOutRealm treats user names as case-sensitive | |
| CVE-2026-43514 | Apache Tomcat: AJP secret compared in non-constant time | |
| CVE-2026-43515 | Apache Tomcat: Security constraints not correctly applied |
IV. Related Vulnerabilities
Same product: Apache Tomcat
- CVE-2026-43515
Apache Tomcat: Security constraints not correctly applied - CVE-2026-43514
Apache Tomcat: AJP secret compared in non-constant time - CVE-2026-43513
Apache Tomcat: LockOutRealm treats user names as case-sensit - CVE-2026-43512
Apache Tomcat: Digest authenticator will authenticate any un - CVE-2026-42498
Apache Tomcat: WebSocket authentication header exposure
Same vendor: Apache Software Foundation
- CVE-2026-35194
Apache Flink: Remote code execution via SQL injection in cod - CVE-2026-45205
Apache Commons Configuration: StackOverflowError for YAML in - CVE-2026-43515
Apache Tomcat: Security constraints not correctly applied - CVE-2026-43514
Apache Tomcat: AJP secret compared in non-constant time - CVE-2026-43513
Apache Tomcat: LockOutRealm treats user names as case-sensit
Same weakness: CWE-20
- CVE-2026-27891
Remote Code Execution (RCE) via Zip Slip in Plugin Upload Me - CVE-2026-45492
Microsoft Edge (Chromium-based) Security Feature Bypass Vuln - CVE-2026-45317
Open WebUI: Cross-Site Request Forgery (CSRF) via Image URL - CVE-2025-29936
AMD平台管理框架输入验证缺陷导致权限提升 - CVE-2026-42327
rust-openssl: undefined behavior in X509Ref::ocsp_responders
V. Comments for CVE-2026-41293
No comments yet