CVE-2024-52318

Apache Tomcat versions 11.0.0 , 10.1.31 , and 9.0.96 are affected by an incorrect object recycling and reuse vulnerability (CVE-2024-52318). In generated JavaServer Pages (JSP), this issue arises from improper resource release, which can lead to inadequate output escaping. This flaw allows attack...

CVE-2014-0230

CVE-2014-0230 affects Apache Tomcat: 6.x before 6.0.44, 7.x before 7.0.55, and 8.x before 8.0.9. The issue occurs when an HTTP response is sent before the server finishes reading the entire request body, enabling remote attackers to trigger a denial-of-service via a series of aborted upload attem...

CVE-2026-43515

Apache Tomcat is affected by an Improper Authorization vulnerability (CVE-2026-43515) occurring when multiple method constraints define an HTTP method for the same extension. This flaw allows for potential security bypasses. Affected versions include 11.0.0-M1 through 11.0.21 , 10.1.0-M1 through ...

CVE-2026-50229

Apache Tomcat is vulnerable to a Basic XSS (Improper Neutralization of Script-Related HTML Tags) in the number guess example . This flaw allows an attacker to execute arbitrary code remotely, according to some reports, by exploiting deficiencies in web page structure protection. Affected versions...

CVE-2026-24734

CVE-2026-24734 is an Improper Input Validation vulnerability affecting Apache Tomcat Native and Apache Tomcat itself. When using an OCSP responder, Tomcat Native (and the Tomcat Native FFM port) may not perform verification or freshness checks on OCSP responses, potentially allowing certificate r...

CVE-2016-6797

CVE-2016-6797 stems from Apache Tomcat’s ResourceLinkFactory not restricting web app access to global JNDI resources, allowing a web application to access any global JNDI resource regardless of explicit ResourceLink. Affects Tomcat 6.x/7.x/8.x/9.x releases listed in the entry (various 6.0–9.0 lin...

CVE-2024-52317

Apache Tomcat is vulnerable to a data leakage issue due to incorrect object recycling and reuse of request and response resources within the HTTP/2 implementation. This flaw could result in a mix-up of requests and responses between different users, potentially exposing sensitive data such as ses...

CVE-2015-5345

CVE-2015-5345 affects the Tomcat Mapper component: redirects are processed before security constraints/Filters, enabling a remote attacker to determine the existence of a directory via a URL that lacks a trailing slash. Affected upstream versions are Tomcat 6.x before 6.0.45, 7.x before 7.0.68, 8...

CVE-2024-54677

A flaw exists in the examples web application of Apache Tomcat where numerous examples fail to place limits on uploaded data. This uncontrolled resource consumption can trigger an out-of-memory (OOM) error , resulting in a denial of service . Affected versions include 11.0.0-M1 through 11.0.1, 10...

CVE-2026-43512

Apache Tomcat is vulnerable to an authentication bypass issue within its digest authentication mechanism. This flaw allows an unauthenticated attacker to bypass security checks and potentially enhance their privileges remotely. The vulnerability affects versions 11.0.0-M1 through 11.0.21 , 10.1.0...

CVE-2026-53404

The Apache Tomcat rewrite valve contains an Always-Incorrect Control Flow Implementation vulnerability (CVE-2026-53404 ). Due to this flaw, if the first condition in an OR chain matches, subsequent non-OR conditions are skipped, which can allow an attacker to circumvent access control restriction...

CVE-2016-0762

CVE-2016-0762 affects Apache Tomcat realms across multiple branches (Tomcat 9.0.x, 8.5.x, 8.0.x, 7.0.x, 6.0.x). The root cause: Realm implementations did not process the supplied password when the username did not exist, enabling a timing attack to determine valid usernames. The default LockOutRe...

CVE-2026-29145

The Apache Tomcat and Apache Tomcat Native servers are vulnerable to a flaw where CLIENT_CERT authentication fails to behave as expected in specific scenarios when soft fail is disabled. This issue affects Apache Tomcat versions 11.0.0-M1 through 11.0.18, 10.1.0-M7 through 10.1.52, and 9.0.83 thr...

CVE-2026-55957

Apache Tomcat is vulnerable to an authentication bypass in the JNDIRealm component. When configured to authenticate binds using GSSAPI , a missing critical step allows attackers to authenticate without providing the correct password. This affects versions 11.0.0-M1 through 11.0.4, 10.1.0-M1 throu...

CVE-2014-7810

Summary: CVE-2014-7810 affects the EL implementation in Apache Tomcat. The vulnerability arises when the EL evaluator may evaluate against an interface that is accessible via an inaccessible class, allowing bypass of SecurityManager protections in a web application. Affected products/versions (pe...

CVE-2016-1240

This CVE (CVE-2016-1240) affects the Tomcat init scripts in Debian/Ubuntu packages, allowing local users with Tomcat access to gain root via a symlink attack on the Catalina log file (e.g., /var/log/tomcat7/catalina.out). Affected packages and versions include: tomcat7 before 7.0.56-3+deb8u4 and ...

CVE-2016-6794

CVE-2016-6794 affects Apache Tomcat across multiple branches (7.x, 8.x, 9.x) and versions, where the system property replacement feature for configuration files can bypass a configured SecurityManager to read restricted system properties. Connected advisories show concrete impact and suggested fi...

CVE-2021-30639

Apache Tomcat CVE-2021-30639 describes a DoS vulnerability caused by improper error handling during non-blocking I/O, where the error flag on a Request object isn’t reset between requests. This can allow a remote attacker to trigger non-blocking I/O errors (e.g., by dropping connections) and caus...

CVE-2012-3544

CVE-2012-3544 detail (Tomcat): Apache Tomcat 6.x before 6.0.37 and 7.x before 7.0.30 fails to properly handle chunk extensions in chunked transfer coding, allowing remote attackers to trigger a denial-of-service by streaming data. Affected: Tomcat 6.x up to 6.0.36, Tomcat 7.x up to 7.0.29. Impact...

CVE-2014-0075

Apache Tomcat exposes a vulnerability CVE-2014-0075: an integer overflow in parseChunkHeader() within ChunkedInputFilter.java allows remote attackers to trigger DoS via malformed chunk sizes in chunked transfer encoding. Affected products include Tomcat 6.x before 6.0.40, 7.x before 7.0.53, and 8...

CVE-2008-2938

CVE-2008-2938 is a directory-traversal vulnerability in Apache Tomcat (affected: 4.1.0–4.1.37, 5.5.0–5.5.26, 6.0.0–6.0.16) that occurs when allowLinking and URIEncoding="UTF-8" are enabled. Exploitation could allow a remote attacker to read arbitrary server files via encoded traversal sequences i...

CVE-2016-0706

CVE-2016-0706 affects Apache Tomcat. Root cause: StatusManagerServlet not on RestrictedServlets.properties, enabling remote authenticated users to bypass SecurityManager and read arbitrary HTTP requests, potentially exposing session IDs. Affected versions include Tomcat 6.x before 6.0.45, 7.x bef...

CVE-2013-2185

CVE-2013-2185 involves DiskFileItem in Apache Commons FileUpload used with Red Hat JBoss EAP 6.1.0 and JBoss Portal 6.0.0. The issue stems from deserialization of a serialized DiskFileItem where a NULL byte in a filename can let a remote attacker write to arbitrary files. The description notes a ...

CVE-2007-5461

CVE-2007-5461 is an absolute path traversal vulnerability in the Apache Tomcat WebDAV servlet. Affected versions span Tomcat 4.x, 5.x (including 5.0.x, 5.5.x up to 5.5.25) and 6.0.x (up to 6.0.14) under certain configurations, enabling remote authenticated users to read arbitrary files via a WebD...

CVE-2011-3190

CVE-2011-3190 refers to Apache Tomcat AJP connector handling vulnerabilities where certain implementations could spoof AJP requests and cause a request body to be interpreted as a new request, enabling authentication bypass and potential leakage of sensitive information. The description covers af...

CVE-2016-0763

CVE-2016-0763 affects Apache Tomcat 7.x before 7.0.68, 8.x before 8.0.31, and 9.x before 9.0.0.M3. The issue is in ResourceLinkFactory.setGlobalContext: callers are not checked for authorization, allowing remote authenticated users to bypass SecurityManager restrictions and read/write arbitrary a...

CVE-2015-5351

CVE-2015-5351 affects Apache Tomcat 7.x before 7.0.68, 8.x before 8.0.31, and 9.x before 9.0.0.M2. The issue lies in the Manager and Host Manager applications, which establish sessions and send CSRF tokens for arbitrary new requests, allowing remote attackers to bypass CSRF protections by using a...

CVE-2026-68763

Apache Tomcat is vulnerable to an uncontrolled resource consumption vulnerability (DoS) caused by an allocation leak in the HTTP/2 backlog tracking when a stream is reset. This affects versions 11.0.0-M1 through 11.0.24 , 10.1.0-M1 through 10.1.57 , and 9.0.39 through 9.0.120 , with other unsuppo...

CVE-2025-48989

Apache Tomcat is vulnerable to a MadeYouReset denial of service (DoS) attack due to an Improper Resource Shutdown or Release (CWE-404) vulnerability. This issue is specifically triggered via HTTP/2 control frames . The vulnerability affects versions 11.0.0-M1 through 11.0.9 , 10.1.0-M1 through 10...

CVE-2014-0119

CVE-2014-0119 (Tomcat XXE) – Concrete details from connected docs : The vulnerability affects Apache Tomcat versions before 6.0.40, 7.x before 7.0.54, and 8.x before 8.0.6. It arises from improper constraining of the class loader that accesses the XML parser used with an XSLT stylesheet, enabling...

CVE-2016-6796

CVE-2016-6796 affects Apache Tomcat across multiple lines: a malicious web application could bypass the SecurityManager by manipulating the configuration parameters for the JSP Servlet. Affected versions include Tomcat 9.0.0.M1–9.0.0.M9, 8.5.0–8.5.4, 8.0.0.RC1–8.0.36, 7.0.0–7.0.70, and 6.0.0–6.0....

CVE-2017-5651

CVE-2017-5651 concerns Apache Tomcat 9.0.0.M1–9.0.0.M18 and 8.5.0–8.5.12, where a refactoring of HTTP connectors caused a regression in the send-file processing. If processing completes quickly, the same Processor could be added to the processor cache twice, potentially using the same Processor f...

CVE-2026-55276

Apache Tomcat is affected by an Always-Incorrect Control Flow Implementation vulnerability. The root cause is that special roles and empty authorisation constraints are omitted when the effective web.xml is logged. This issue impacts versions 11.0.0-M1 through 11.0.22 , 10.1.0-M1 through 10.1.55 ...

CVE-2007-2449

CVE-2007-2449 corresponds to cross-site scripting in Apache Tomcat's examples web application JSP files. Affected: Tomcat 4.0.0–4.0.6, 4.1.0–4.1.36, 5.0.0–5.0.30, 5.5.0–5.5.24, 6.0.0–6.0.13. Root cause: improper validation of user-supplied input in the JSP examples, allowing injected script via t...

CVE-2025-66614

CVE-2025-66614 is an improper input validation issue in Apache Tomcat. The vulnerability affects Tomcat versions 11.0.0-M1 through 11.0.14, 10.1.0-M1 through 10.1.49, and 9.0.0-M1 through 9.0.112, with older EOL versions (8.5.0–8.5.100) also listed as affected. The root cause is failure to verify...

CVE-2007-5333

Affected software: Apache Tomcat 4.1.0–4.1.36, 5.5.0–5.5.25, 6.0.0–6.0.14. The vulnerability (CVE-2007-5333) arises from improper handling of (1) double quote (" ) characters and (2) %5C-encoded backslash sequences in cookie values, which can leak session IDs and enable session hijacking. It exis...

CVE-2009-3548

CVE-2009-3548 affects the Windows installer for Apache Tomcat (versions 6.0.0–6.0.20 and 5.5.0–5.5.28, possibly earlier). The underlying issue is a blank default password for the administrative user, which can be exploited remotely to gain administrative privileges. The linked connected documents...

CVE-2014-0227

CVE-2014-0227 affects Apache Tomcat: ChunkedInputFilter mishandles reads after an error, enabling HTTP request smuggling or DoS via malformed chunked data. Affected: Tomcat 6.x before 6.0.42, 7.x before 7.0.55, 8.x before 8.0.9. Remediation: upgrade to fixed releases (6.0.42+, 7.0.55+, 8.0.9+). E...

CVE-2026-65637

Apache Tomcat is vulnerable to an Improper Input Validation vulnerability (CWE-20 ) caused by an incomplete fix for CVE-2026-32990. Specifically, this issue involves an HTTP/2 no-authority bypass of strict SNI validation . The vulnerability affects the following versions: 11.0.20 through 11.0.24 ...

CVE-2014-0099

Apache Tomcat contains an integer overflow in Ascii.java that, when behind a reverse proxy, enables HTTP request smuggling via a crafted Content-Length header. Affected versions are Tomcat 6.0.x before 6.0.40, Tomcat 7.x before 7.0.53, and Tomcat 8.x before 8.0.4. The provided documents do not sp...

CVE-2017-15706

CVE-2017-15706 concerns Apache Tomcat: the CGI Servlet documentation for the CGI search algorithm was incorrect, causing some scripts to fail or be executed unexpectedly, while the servlet’s runtime behavior remained unchanged. Public sources in the connected docs confirm this is tied to the CGI ...

CVE-2025-53506

Apache Tomcat is vulnerable to an uncontrolled resource consumption vulnerability (CWE-400) when an HTTP/2 client fails to acknowledge the initial settings frame that restricts the maximum number of concurrent streams. This issue affects versions 11.0.0-M1 through 11.0.8 , 10.1.0-M1 through 10.1....

CVE-2025-52434

Apache Tomcat is vulnerable to a race condition (CWE-362) when using the APR/Native connector , particularly during client-initiated closures of HTTP/2 connections . This concurrency issue occurs due to improper synchronization of shared resources. Affected versions include 9.0.0.M1 through 9.0.1...

CVE-2025-49124

Apache Tomcat contains an Untrusted Search Path vulnerability in its Windows installer. The installer calls icacls.exe without specifying a full path, potentially allowing an attacker to execute a malicious binary if a malicious executable named icacls.exe exists in a directory searched before th...

CVE-2009-0580

CVE-2009-0580 affects Apache Tomcat 4.1.0–4.1.39, 5.5.0–5.5.27, and 6.0.0–6.0.18 when FORM authentication is used. A remote attacker can enumerate valid usernames by sending requests to /j_security_check with malformed URL encoding of the password, due to improper error checking in the MemoryReal...

CVE-2010-1157

CVE-2010-1157 affects Apache Tomcat 5.5.0–5.5.29 and 6.0.0–6.0.26. The vulnerability allows an attacker to disclose the server’s hostname or IP by sending a request for a resource that requires BASIC or DIGEST authentication and then reading the realm field in the WWW-Authenticate header. The pro...

CVE-2014-0096

CVE-2014-0096 affects Apache Tomcat: DefaultServlet.jspXXE via XML External Entity in XSLT; tracked in Tomcat 6/7/8 lines (older than 6.0.40, 7.x < 7.0.53, 8.x

CVE-2017-7675

The CVE-2017-7675 entry concerns Apache Tomcat, where the HTTP/2 implementation in Tomcat 9.0.0.M1–9.0.0.M21 and 8.5.0–8.5.15 bypassed security checks that prevented directory traversal via a specially crafted URL. This could bypass security constraints. The provided documents identify affected T...

CVE-2009-0033

CVE-2009-0033 affects Apache Tomcat 4.1.0–4.1.39, 5.5.0–5.5.27, and 6.0.0–6.0.18 when using the Java AJP connector with mod_jk load balancing. A crafted request with invalid headers can cause a denial of service by temporarily blocking connectors that have encountered errors, as demonstrated by a...

CVE-2009-0781

CVE-2009-0781 is an XSS vulnerability in Apache Tomcat’s calendar example (jsp/cal/cal2.jsp). The issue affects Tomcat 4.1.0–4.1.39, 5.5.0–5.5.27, and 6.0.0–6.0.18, allowing remote attackers to inject arbitrary script or HTML via the time parameter in the URL (described as related to invalid HTML...