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CVE-2016-0762

tomcat: timing attack in Realm implementation

The Realm implementations in Apache Tomcat versions 9.0.0.M1 to 9.0.0.M9, 8.5.0 to 8.5.4, 8.0.0.RC1 to 8.0.36, 7.0.0 to 7.0.70 and 6.0.0 to 6.0.45 did not process the supplied password if the supplied user name did not exist. This made a timing attack possible to determine valid user names. Note that the default configuration includes the LockOutRealm which makes exploitation of this vulnerability harder.

CVSS 3.1 · 5.9 Medium EPSS 8.0% KEV · Not listed
Vendors
Apache Canonical Debian and 3 more
Products
Tomcat Ubuntu Linux Debian Linux and 13 more
CVE-2026-66087

Apache DolphinScheduler: Project Authorization Bypass in the Task instance stop/savepoint Endpoint

An authorization bypass vulnerability in Apache DolphinScheduler allows authenticated users to operate task instance in projects they are not authorized to access through the  * /dolphinscheduler/projects/{projectCode}/task-instances/{taskInstanceId}/stop * /dolphinscheduler/projects/{projectCode}/task-instances/{taskInstanceId}/savepoint This issue affects Apache DolphinScheduler: before 3.4.3. Users are recommended to upgrade to version 3.4.3, which fixes the issue.

CVSS 3.1 · 8.1 High EPSS < 1% KEV · Not listed
Vendors
Apache
Products
Dolphinscheduler
CVE-2026-66084

Apache DolphinScheduler: Project Authorization Bypass in the Task Definition with-upstream Endpoint

An authorization bypass vulnerability in Apache DolphinScheduler allows authenticated users to modify task definitions in projects they are not authorized to access through the /dolphinscheduler/projects/{projectCode}/task-definition/{code}/with-upstream endpoint. The endpoint fails to verify that the task definition identified by code belongs to the project specified by projectCode. An authenticated user can supply the code of a project they are authorized to access together with a task definition code from another project, bypassing project access restrictions and modifying the target task definition and its upstream dependencies. This vulnerability can compromise workflow integrity and disrupt task execution in unauthorized projects.This issue affects Apache DolphinScheduler: before 3.4.3. Users are recommended to upgrade to version 3.4.3, which fixes the issue.

CVSS 3.1 · 8.1 High EPSS < 1% KEV · Not listed
Vendors
Apache
Products
Dolphinscheduler
CVE-2026-66082

Apache DolphinScheduler: Cross-project authorization bypasses in DolphinScheduler API (schedule / workflow）

An authorization bypass vulnerability in Apache DolphinScheduler allows authenticated users to perform unauthorized operations on workflow schedules, workflow definitions, and task instances in other projects. The affected endpoints check permissions against the supplied projectCode but fail to verify that the target resource belongs to that project. An authenticated user with the required permissions in one project can supply that project's code together with a resource identifier from another project, bypassing the target project's access restrictions. The affected endpoints include: * POST /projects/{projectCode}/schedules/{id}/online and /offline: Activate or deactivate workflow schedules in another project. * POST /projects/{projectCode}/workflow-definition/{code}/release: Change the ONLINE/OFFLINE state of workflow definitions in another project. Successful exploitation allows users to alter workflow availability and interfere with task execution in projects they are not authorized to access. This issue affects Apache DolphinScheduler: before 3.4.3. Users are recommended to upgrade to version 3.4.3, which fixes the issue.

CVSS 3.1 · 6.5 Medium EPSS < 1% KEV · Not listed
Vendors
Apache
Products
Dolphinscheduler
CVE-2021-36090

Apache Commons Compress 1.0 to 1.20 denial of service vulnerability

When reading a specially crafted ZIP archive, Compress can be made to allocate large amounts of memory that finally leads to an out of memory error even for very small inputs. This could be used to mount a denial of service attack against services that use Compress' zip package.

CVSS 3.1 · 7.5 High EPSS 12.9% KEV · Not listed
Vendors
Apache Netapp Oracle and 1 more
Products
Commons Compress Active Iq Unified Manager Oncommand Insight and 33 more
CVE-2021-30640

Auth weakness in JNDIRealm

A vulnerability in the JNDI Realm of Apache Tomcat allows an attacker to authenticate using variations of a valid user name and/or to bypass some of the protection provided by the LockOut Realm. This issue affects Apache Tomcat 10.0.0-M1 to 10.0.5; 9.0.0.M1 to 9.0.45; 8.5.0 to 8.5.65.

CVSS 3.1 · 6.5 Medium EPSS 9.9% KEV · Not listed
Vendors
Apache Debian Oracle and 1 more
Products
Tomcat Debian Linux Communications Cloud Native Core Policy and 7 more
CVE-2021-25329

Incomplete fix for CVE-2020-9484

The fix for CVE-2020-9484 was incomplete. When using Apache Tomcat 10.0.0-M1 to 10.0.0, 9.0.0.M1 to 9.0.41, 8.5.0 to 8.5.61 or 7.0.0. to 7.0.107 with a configuration edge case that was highly unlikely to be used, the Tomcat instance was still vulnerable to CVE-2020-9494. Note that both the previously published prerequisites for CVE-2020-9484 and the previously published mitigations for CVE-2020-9484 also apply to this issue.

CVSS 3.1 · 7.0 High EPSS 9.5% KEV · Not listed
Vendors
Apache Debian Oracle and 1 more
Products
Tomcat Debian Linux Agile Product Lifecycle Management and 12 more
CVE-2021-24122

Apache Tomcat information disclosure

When serving resources from a network location using the NTFS file system, Apache Tomcat versions 10.0.0-M1 to 10.0.0-M9, 9.0.0.M1 to 9.0.39, 8.5.0 to 8.5.59 and 7.0.0 to 7.0.106 were susceptible to JSP source code disclosure in some configurations. The root cause was the unexpected behaviour of the JRE API File.getCanonicalPath() which in turn was caused by the inconsistent behaviour of the Windows API (FindFirstFileW) in some circumstances.

CVSS 3.1 · 5.9 Medium EPSS 22.9% KEV · Not listed
Vendors
Apache Debian Oracle and 1 more
Products
Tomcat Debian Linux Agile Product Lifecycle Management and 3 more
CVE-2020-9484

tomcat: deserialization flaw in session persistence storage leading to RCE

When using Apache Tomcat versions 10.0.0-M1 to 10.0.0-M4, 9.0.0.M1 to 9.0.34, 8.5.0 to 8.5.54 and 7.0.0 to 7.0.103 if a) an attacker is able to control the contents and name of a file on the server; and b) the server is configured to use the PersistenceManager with a FileStore; and c) the PersistenceManager is configured with sessionAttributeValueClassNameFilter="null" (the default unless a SecurityManager is used) or a sufficiently lax filter to allow the attacker provided object to be deserialized; and d) the attacker knows the relative file path from the storage location used by FileStore to the file the attacker has control over; then, using a specifically crafted request, the attacker will be able to trigger remote code execution via deserialization of the file under their control. Note that all of conditions a) to d) must be true for the attack to succeed.

CVSS 3.1 · 7.0 High EPSS 55.5% KEV · Not listed
Vendors
Apache Canonical Debian and 5 more
Products
Tomcat Ubuntu Linux Debian Linux and 27 more
CVE-2020-1935

tomcat: Mishandling of Transfer-Encoding header allows for HTTP request smuggling

In Apache Tomcat 9.0.0.M1 to 9.0.30, 8.5.0 to 8.5.50 and 7.0.0 to 7.0.99 the HTTP header parsing code used an approach to end-of-line parsing that allowed some invalid HTTP headers to be parsed as valid. This led to a possibility of HTTP Request Smuggling if Tomcat was located behind a reverse proxy that incorrectly handled the invalid Transfer-Encoding header in a particular manner. Such a reverse proxy is considered unlikely.

CVSS 3.1 · 4.8 Medium EPSS 9.4% KEV · Not listed
Vendors
Apache Canonical Debian and 4 more
Products
Tomcat Ubuntu Linux Debian Linux and 22 more
CVE-2020-13935

tomcat: multiple requests with invalid payload length in a WebSocket frame could lead to DoS

The payload length in a WebSocket frame was not correctly validated in Apache Tomcat 10.0.0-M1 to 10.0.0-M6, 9.0.0.M1 to 9.0.36, 8.5.0 to 8.5.56 and 7.0.27 to 7.0.104. Invalid payload lengths could trigger an infinite loop. Multiple requests with invalid payload lengths could lead to a denial of service.

CVSS 3.1 · 7.5 High EPSS 86.6% KEV · Not listed
Vendors
Apache Canonical Debian and 5 more
Products
Tomcat Ubuntu Linux Debian Linux and 20 more
CVE-2019-17563

tomcat: Session fixation when using FORM authentication

When using FORM authentication with Apache Tomcat 9.0.0.M1 to 9.0.29, 8.5.0 to 8.5.49 and 7.0.0 to 7.0.98 there was a narrow window where an attacker could perform a session fixation attack. The window was considered too narrow for an exploit to be practical but, erring on the side of caution, this issue has been treated as a security vulnerability.

CVSS 3.1 · 7.5 High EPSS 10.7% KEV · Not listed
Vendors
Apache Canonical Debian and 3 more
Products
Tomcat Ubuntu Linux Debian Linux and 11 more
CVE-2019-14892

jackson-databind: Serialization gadgets in classes of the commons-configuration package

A flaw was discovered in jackson-databind in versions before 2.9.10, 2.8.11.5 and 2.6.7.3, where it would permit polymorphic deserialization of a malicious object using commons-configuration 1 and 2 JNDI classes. An attacker could use this flaw to execute arbitrary code.

CVSS 3.1 · 9.8 Critical EPSS 5.6% KEV · Not listed
Vendors
Apache Fasterxml Redhat
Products
Geode Jackson-databind Decision Manager and 10 more
CVE-2019-14439

jackson-databind: Polymorphic typing issue related to logback/JNDI

A Polymorphic Typing issue was discovered in FasterXML jackson-databind 2.x before 2.9.9.2. This occurs when Default Typing is enabled (either globally or for a specific property) for an externally exposed JSON endpoint and the service has the logback jar in the classpath.

CVSS 3.1 · 7.5 High EPSS 10.8% KEV · Not listed
Vendors
Apache Debian Fasterxml and 3 more
Products
Drill Debian Linux Jackson-databind and 17 more
CVE-2019-12418

tomcat: local privilege escalation

When Apache Tomcat 9.0.0.M1 to 9.0.28, 8.5.0 to 8.5.47, 7.0.0 and 7.0.97 is configured with the JMX Remote Lifecycle Listener, a local attacker without access to the Tomcat process or configuration files is able to manipulate the RMI registry to perform a man-in-the-middle attack to capture user names and passwords used to access the JMX interface. The attacker can then use these credentials to access the JMX interface and gain complete control over the Tomcat instance.

CVSS 3.1 · 7.0 High EPSS 1.2% KEV · Not listed
Vendors
Apache Canonical Debian and 4 more
Products
Tomcat Ubuntu Linux Debian Linux and 4 more
CVE-2013-7285

XStream: remote code execution due to insecure XML deserialization

Xstream API versions up to 1.4.6 and version 1.4.10, if the security framework has not been initialized, may allow a remote attacker to run arbitrary shell commands by manipulating the processed input stream when unmarshaling XML or any supported format. e.g. JSON.

CVSS 3.1 · 9.8 Critical EPSS 84.4% KEV · Not listed
Vendors
Apache Oracle Redhat and 1 more
Products
Activemq Endeca Information Discovery Studio Fuse Esb Enterprise and 14 more
CVE-2020-25649

jackson-databind: FasterXML DOMDeserializer insecure entity expansion is vulnerable to XML external entity (XXE)

A flaw was found in FasterXML Jackson Databind, where it did not have entity expansion secured properly. This flaw allows vulnerability to XML external entity (XXE) attacks. The highest threat from this vulnerability is data integrity.

CVSS 3.1 · 7.5 High EPSS 17.7% KEV · Not listed
Vendors
Apache Fasterxml Fedoraproject and 4 more
Products
Iotdb Jackson-databind Fedora and 47 more
CVE-2026-90979

Apache Karaf: LDAP filter injection in JAAS LDAP login modules

LDAPCache and LDAPBackingEngine build LDAP search filters for user lookup and role lookup by textually substituting the placeholders %u, %dn, and %fqdn (drawn from the login name, the resolved user DN, and its fully qualified namespace form) into administrator-configured filter templates (userFilter, roleFilter). Before the fix, the only sanitization applied to the substituted value was double backslashed: filter = filter.replaceAll(Pattern.quote("%u"), Matcher.quoteReplacement(user)); filter = filter.replace("\\", "\\\\"); This does not escape the other characters RFC 4515 requires escaping in an LDAP search filter: *, (, ), and NUL. A login name containing any of these can change the structure of the resulting filter rather than being matched as a literal value (e.g. a crafted username can turn an equality match into a wildcard match, or close/reopen filter clauses), widening what the search returns and potentially causing a login or role lookup to match an LDAP entry other than the intended one, over-granting roles, and depending on deployment-specific filter templates, potentially affecting which account a login resolved to. It's not exploitable through every entry points: LDAPLoginModule and LDAPPubkeyLoginModule both called Util.doRFC2254Encoding() (correct RFC 4515 escaping) on the login name before handing it to LDAPCache, which masked the missing escaping in LDAPCache for those two call paths. Using LDAPCache directly (bypassing the login modules) does not reproduce through the normal LDAPLoginModule/LDAPPubkeyLoginModule authentication flow for this reason. It does reproduce through two other call paths that reach LDAPCache/LDAPBackingEngine without any prior escaping: * GSSAPILdapLoginModule passes the NameCallback name straight through, unescaped. * LDAPBackingEngine (listRoles) passes principal.getName() straight through, unescaped.

CVSS 3.1 · 7.3 High EPSS < 1% KEV · Not listed
Vendors
Apache
Products
Karaf
CVE-2026-91006

Apache Karaf: OS Command Injection in Child-Instance Launch (instance:* / InstancesMBean)

Apache Karaf's instance-management service (InstanceServiceImpl) builds the command line used to launch a child Karaf JVM by string concatenation, then executes it through /bin/sh (Unix) or cscript (Windows). The caller-supplied javaOpts value is spliced into that string unquoted. A javaOpts value containing shell metacharacters (;, |, `, $(...)) is interpreted by the shell instead of being passed to the JVM as an option, giving arbitrary OS command execution as the Karaf process user. Reachable via the shell commands instance:create, instance:start, instance:restart, instance:change-opts, and the equivalent InstanceMBean JMX operations (createInstance, startInstance, changeJavaOpts, cloneInstance). Mitigation  * Set karaf.secured.command.compulsory.roles=admin in etc/system.properties to close the fail-open gap for all unconfigured command scopes. * Restrict which principals can reach instance:* commands and InstancesMBean via etc/users.properties role assignments. * Treat javaOpts passed to instance:create/instance:start/instance:change-opts/InstancesMBean as untrusted input only from fully-trusted operators.

CVSS 3.1 · 8.8 High EPSS 1.1% KEV · Not listed
Vendors
Apache
Products
Karaf
CVE-2020-13956

apache-httpclient: incorrect handling of malformed authority component in request URIs

Apache HttpClient versions prior to version 4.5.13 and 5.0.3 can misinterpret malformed authority component in request URIs passed to the library as java.net.URI object and pick the wrong target host for request execution.

CVSS 3.1 · 5.3 Medium EPSS 9.0% KEV · Not listed
Vendors
Apache Netapp Oracle and 2 more
Products
Httpclient Active Iq Unified Manager Snapcenter and 24 more