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Apache Software Foundation
3,000 known vulnerabilities.
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Medium 5.3
Apache log4net: Oversize EventLogAppender record silently discarded
Insufficient Logging vulnerability in the EventLogAppender of Apache log4net. Long messages were truncated to a fixed size that exceeds what the Windows Event Log accepts once the log and source names are counted, and the event log then stored nothing and rep…
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Medium 5.3
Apache log4net: Request validation failure drops the event in the aspnet-request converter
Improper Handling of Exceptional Conditions vulnerability in the aspnet-request pattern converter of Apache log4net. Reading request parameters triggers ASP.NET request validation, so a request carrying content such as markup made the layout throw and the app…
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Medium 5.3
Apache log4net: Unencodable content discards a whole SmtpPickupDirAppender batch
Improper Handling of Unicode Encoding vulnerability in the SmtpPickupDirAppender of Apache log4net. Content that the mail file writer cannot encode, such as an unpaired UTF-16 surrogate, made the write throw. Every buffered event in the batch was discarded, n…
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Medium 5.3
Apache log4net: NUL character truncates OutputDebugStringAppender records
Improper Neutralization of Null Byte or NUL Character vulnerability in the OutputDebugStringAppender of Apache log4net. A NUL character in logged content ended the debug output record at that point, so everything the layout rendered after it, including except…
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Medium 5.3
Apache log4net: NUL character truncates EventLogAppender records
Improper Neutralization of Null Byte or NUL Character vulnerability in the EventLogAppender of Apache log4net. A NUL character in logged content ended the Windows Event Log record at that point, so everything the layout rendered after it, including exception …
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Medium 4.7
Apache Commons BCEL: Class2HTML emits unescaped class strings, enabling stored XSS
Improper neutralization of input during web page generation ('cross-site scripting') vulnerability in Apache Commons BCEL. This only happens when you're using Class2HTML to generate webpages for possibly-attacker-controlled class files, where Class2HTML emitt…
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Medium 5.9
Apache Commons BCEL: Class repositories cache class files under their self-declared names, enabling cache poisoning
Symbolic name not mapping to correct class. BCEL caches attacker-controlled classes under their self-declared names without validating the requested name, allowing subsequent lookups and name-keyed verification results to refer to a different class. This issu…
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Medium 6.5
Apache Struts: Unbounded request body read in the REST plugin
Allocation of resources without limits or throttling vulnerability in the Apache Struts REST plugin. A request body is read into memory without any bound on how much will be accepted, so a single request can cause the server to allocate memory in proportion t…
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Medium 6.9
Apache Thrift: C++ THeaderTransport does not enforce configured maxFrameSize
Allocation of Resources Without Limits or Throttling, Improper Handling of Highly Compressed Data (Data Amplification) vulnerability in Apache Thrift C++ bindings. This issue affects Apache Thrift: before 0.25.0. Users are recommended to upgrade to version 0.…
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Medium 6.9
Apache Thrift: Buffered transport reads are not accounted against MaxMessageSize
Allocation of Resources Without Limits or Throttling vulnerability in Apache Thrift Delphi bindings buffered transport. This issue affects Apache Thrift: before 0.25.0. Users are recommended to upgrade to version 0.25.0, which fixes the issue.
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Medium 6.3
Apache Thrift: C++ `TEvhttpServer` leaks its `RequestContext` when the processor throws before calling back
Missing release of memory after effective lifetime vulnerability in Apache Thrift c++ bindings. This issue affects Apache Thrift: before 0.25.0. Users are recommended to upgrade to version 0.25.0, which fixes the issue.
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Medium 6.3
Apache Thrift: PHP `thrift_protocol` C extension ignores the configured `maxStringSize`
Allocation of resources without limits or throttling vulnerability in Apache Thrift PHP bindings. This issue affects Apache Thrift: before 0.25.0. Users are recommended to upgrade to version 0.25.0, which fixes the issue.
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Medium 6.3
Apache Thrift: C++ WebSocket server transport does not read a full request length
Use of uninitialized resource, Return of wrong status code vulnerability in Apache Thrift C++ WebSocket server. This issue affects Apache Thrift: before 0.25.0. Users are recommended to upgrade to version 0.25.0, which fixes the issue.
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Medium 6.3
Apache Thrift, Apache Thrift, Apache Thrift: A map key from the wire can replace a decoded object's prototype in generated JavaScript
Improperly controlled modification of object prototype attributes ('prototype pollution') vulnerability in Apache Thrift all JS bindings. This issue affects Apache Thrift: before 0.25.0. Users are recommended to upgrade to version 0.25.0 and re-generate JS co…
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Medium 6.9
Apache Thrift, Apache Thrift: The C++ and D clients fall back to the certificate Common Name when subjectAltName entries are present but do not match
Improper Validation of Certificate with Host Mismatch in the C++ and D libraries of Apache Thrift. Both libraries install a default access manager for client sockets — TSSLSocketFactory does so in C++, and the accessManager property does so in D — which compa…
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Medium 6.9
Apache Thrift: Python ≥3.12 host-name check silently becomes a no-op
Improper certificate validation, Return of wrong status code vulnerability in Apache Thrift python bindings. This issue affects Apache Thrift: before 0.25.0. Users are recommended to upgrade to version 0.25.0, which fixes the issue.
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Medium 6.9
Apache Thrift: Perl TLS client disables certificate verification by default
Improper certificate validation, Initialization of a resource with an insecure default vulnerability in Apache Thrift perl bindings. This issue affects Apache Thrift: before 0.25.0. Users are recommended to upgrade to version 0.25.0, which fixes the issue.
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Medium 6.3
Apache Thrift: c_glib TZlibTransport reports a full read after a premature stream end
Use of uninitialized resource, Return of wrong status code vulnerability in Apache Thrift c_glib bindings. This issue affects Apache Thrift: before 0.25.0. Users are recommended to upgrade to version 0.25.0, which fixes the issue.
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Medium 5.3
Apache HTTP Server: mod_userdir information disclosure
Path equivalence: '/./' (single dot directory) vulnerability in Apache HTTP Server's mod_userdir module when configured with absolute non-wildcard UserDir directive (the 2nd form in https://httpd.apache.org/docs/2.4/mod/mod_userdir.html#userdir) This issue af…
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Medium 5.3
Apache HTTP Server: mod_dav_fs property database read access
Internal state files accessible to external parties in mod_dav_fs in Apache Software Foundation Apache HTTP Server before 2.4.69 on all platforms allows a remote client to read WebDAV dead properties of resources it cannot author via a GET request for the .DA…
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Medium 4.3
Apache HTTP Server: mod_dav shared lock overflow
A memory calculation bug in mod_dav in Apache httpd 2.4.67 and earlier allows an attacker with permission to create WebDAV locks to crash server child processes. Users are recommended to upgrade to version 2.4.69, which fixes this issue
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Medium 5.1
Apache APISIX: Openid-connect introspection validation issue
Improper Authentication vulnerability in Apache APISIX. On a route using openid-connect plugin with remote introspection against an authorization server that serves multiple issuers, a token that introspects as active for one issuer may get accepted on a rout…
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Medium 6.3
Apache APISIX: Servlet-style normalization creates a route/upstream authorization mismatch
Use of Non-Canonical URL paths for authorization decisions vulnerability in Apache APISIX. In some configurations where a permissive route overlaps a protected one, a crafted encoded path can reach an upstream endpoint that the matched route's policies were n…
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Medium 6.4
Apache APISIX: unauthenticated impersonation issue in saml-auth
Improper verification of cryptographic signature vulnerability in Apache APISIX. Any unauthenticated attacker could impersonate any user on every route protected by the saml-auth plugin under default configuration. This issue affects Apache APISIX: from 3.17.…
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Medium 5.3
Apache APISIX: cross-request permission pollution via static permission list mutation
Exposure of data element to wrong session vulnerability in Apache APISIX. This issue affects Apache APISIX: from 2.3.0 before 3.7.0. Under a supported authz-keycloak configuration, a request's authorization scope could persist into later requests on the same …
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Medium 5.7
Apache APISIX: data-mask may fail to redact request headers in logger output
Insertion of sensitive information into log file vulnerability in Apache APISIX. This vulnerability can cause the unmasked header value to be written to the log sink under a certain response structure. This issue affects Apache APISIX: 3.17.0. Users are reco…
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Medium 4.8
Apache WSS4J: UsernameToken replay protection bypassed by re-encoding the Nonce
Apache WSS4J remembers the Nonce of each UsernameToken it accepts, so a captured token cannot be reused. It stored the Nonce as raw base64 text, but authentication decodes that text and uses the bytes.The same bytes can be written as base64 in several ways. A…
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Medium 6.5
Apache MINA SSHD: Remote execution of JGit "archive -o=file.zip" can write file on the server
Improper input validation in sshd-git in Apache MINA SSHD, versions up to 2.19.0 and 3.0.0-M1 to 3.0.0-M5. Apache MINA SSHD is a Java library for client-side and server-side SSH. Component org.apache.sshd:sshd-git provides though class GitPgmCommandFactory a …
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Medium 6.5
Apache MINA SSHD: Memory exhaustion DoS via unbounded SCP command line read
Uncontrolled resource consumption in component ssd-scp in Apache MINA SSHD versions up to 2.19.0 or 3.0.0-M1 to 3.0.0-M5. Apache MINA SSHD is a Java library for client-side and server-side SSH. Component sshd-scp of Apache MINA SSHD provides a Java implementa…
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Medium 6.5
Apache MINA SSHD: Memory exhaustion in SFTP v6 check-file-name/check-file-handle extension
Server-side memory exhaustion in Apache MINA SSHD 1.0.0 to 2.19.0 and 3.0.0-M1 to 3.0.0-M5, component sshd-sftp, in the SFTP v6 check-file-name/check-file-handle extension. Apache MINA SSHD is a Java library for client-side and server-side SSH. Using a very s…
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Medium 4.3
Apache DolphinScheduler: Allows unauthorized workflow operations through batch-copy and batch-move endpoints
An improper authorization check in Apache DolphinScheduler allows an authenticated user to use the batch-copy and batch-move endpoints to operate on workflows in projects for which they lack the required permissions. This may allow the user to copy or move wo…
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Medium 4.3
Apache DolphinScheduler: Improper Authorization Allows Project Read-Only Users to Execute Workflows and Tamper with Workflow Definitions
An incorrect authorization check in Apache DolphinScheduler allows an authenticated user with only read permission for a project to modify a workflow instance in that project through the PUT /projects/{projectCode}/workflow-instances/{id} endpoint. The endpoi…
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Medium 6.5
Apache DolphinScheduler: Missing Authorization in query-dynamic-sub-workflows API Leads to Information Disclosure
A missing authorization vulnerability exists in the `query-dynamic-sub-workflows` API of Apache DolphinScheduler. The API does not properly verify whether the authenticated user has permission to access the workflows being queried. An authenticated user who d…
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Medium 5.3
Apache DolphinScheduler: Actuator Endpoint Authentication Bypass via Percent-Encoded Paths
An authentication bypass vulnerability exists in the protection of Actuator endpoints. The application determines whether authentication is required by matching the incoming request path against protected Actuator paths. By sending a specially crafted request…
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Medium 4.3
Apache DolphinScheduler: Improper Authorization in Sub-Workflow Tasks Allows Unauthorized Workflow Execution
An improper authorization vulnerability exists in the handling of sub-workflow tasks. An authenticated user who does not have permission to access a target project can reference and invoke a workflow belonging to that project through a sub-workflow task. The …
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Medium 6.5
Apache DolphinScheduler: Unauthorized Disclosure of Data Source Information via /datasources/unauth-datasource
The /datasources/unauth-datasource endpoint does not properly enforce data source authorization. An authenticated user can invoke this endpoint to obtain information about data sources they are not authorized to access. This may expose data source configurati…
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Medium 6.3
Apache Airflow Teradata provider: SQL injection via unvalidated Dag Params in the compute-cluster example Dag
The Apache Airflow Teradata provider's compute-cluster example Dag declared every one of its Dag Params as unconstrained free text and templated them straight into the compute-cluster operators, which interpolate those values into Teradata DDL. A user who is …
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Medium 6.3
Apache Airflow Snowflake provider: Unvalidated account field redirects SQL API bearer token off-domain
Apache Airflow's Snowflake provider did not validate the connection's `account` and `region` fields before interpolating them into request URLs. The SQL API endpoint is built as `https://{account}.snowflakecomputing.com/api/v2/statements`, so an `account` val…
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Medium 6.5
Apache Airflow Teradata provider: Teradata transfer operators embed cloud storage credentials in SQL text, task logs and Teradata query logs
Apache Airflow's Teradata provider embedded cloud storage credentials directly into SQL statements. `S3ToTeradataOperator` and `AzureBlobStorageToTeradataOperator` interpolate the source bucket's credentials as plain string literals into the `CREATE MULTISET …
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Medium 4.3
Apache Airflow Google provider: Google Drive query injection via unescaped file and folder names
Apache Airflow's Google provider built Google Drive search expressions by interpolating file and folder names directly into single-quoted string literals, without escaping the quote character that delimits them. A name containing an apostrophe therefore termi…