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Vendor

Apache Software Foundation

3,000 known vulnerabilities.

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  • Medium 5.4

    Apache Atlas: Stored XSS in Create Entity page

    An authenticated user can perform XSS. This issue affects Apache Atlas versions 2.4.0 and earlier. Users are recommended to upgrade to version 2.5.0, which fixes the issue.

  • Medium 5.2

    Apache NiFi: Improper Escaping of Table Names in CaptureChangeMySQL

    Improper escaping of database table names in the CaptureChangeMySQL Processor included with Apache NiFi 1.2.0 through 2.9.0 allows for injecting SQL commands using crafted naming. Manual quoted boundaries added in Apache NiFi 1.8.0 narrowed the scope of poten…

  • Medium 6.3

    Apache NiFi: Missing Validation for Proxy Host Headers

    Apache NiFi 0.0.1 through 2.9.0 support building qualified URLs from one of several HTTP request headers that provide an alternative to the standard Host header without validating the values provided. Apache NiFi 1.6.0 introduced a configurable application pr…

  • Medium 5.3

    Apache APISIX: Improper authentication in cas-auth plugin

    Improper Authentication vulnerability in Apache APISIX. When the cas-auth plugin is used in a route, an attacker can possibly authenticate itself with credentials from a different source. This issue affects Apache APISIX: from 3.0.0 through 3.16.0. Users are …

  • Medium 6.3

    Apache APISIX: Session replay issue in hmac-auth

    Authentication Bypass by Capture-replay vulnerability in Apache APISIX. Attacker can benefit from certain configurations in hmac-auth to re-use a token forever, bypassing expiry. This issue affects Apache APISIX: from 3.11.0 through 3.16.0. Users are recommen…

  • Medium 6.3
    CVE-2026-49230 Public exploit

    Apache APISIX: Authentication bypass in jwe-decrypt

    Improper Validation of Integrity Check Value vulnerability in Apache APISIX. The jwe-decrypt plugin under default configuration is vulnerable to authentication bypass.  This issue affects Apache APISIX: from 3.8.0 through 3.16.0. Users are recommended to upgr…

  • Medium 5.3

    Apache APISIX: Openid-connect plugin Identity Header Spoofing

    Insufficient Verification of Data Authenticity vulnerability in Apache APISIX. The openid-connect plugin under default configuration has an attack surface that allows the attacker to spoof identity headers allowing the attacker to get unauthorized access the …

  • Medium 5.3

    Apache APISIX: authz-casdoor incorrect session sharing

    Incorrect Authorization vulnerability in Apache APISIX. An attacker can capitalise on authz-casdoor plugin under default configuration to authenticate themselves with credentials from a different source. This issue affects Apache APISIX: from 2.14.1 through 3…

  • Medium 5.8

    Apache APISIX: Identity Injection via forward-auth Plugin Missing Header Cleanup

    Improper Input Validation vulnerability in Apache APISIX. The attacker can take advantage of certain configuration in forward-auth plugin to spoof identity headers. This issue affects Apache APISIX: from 2.12.0 through 3.16.0. Users are recommended to upgrade…

  • Medium 6.5

    Apache DolphinScheduler: An incorrect authorization vulnerability allows authenticated users to access alert instances associated with alert groups they do not have permission to access.

    Allow authenticated users to access alert instances associated with alert groups they do not have permission to access. in Apache DolphinScheduler. This issue affects Apache DolphinScheduler: before 3.4.2. Users are recommended to upgrade to version 3.4.2, wh…

  • Medium 6.5

    Apache DolphinScheduler: The `/v2` experimental interface lacks permission checks

    Incorrect Authorization vulnerability of `/v2` experimental interface in Apache DolphinScheduler. This issue affects Apache DolphinScheduler: before 3.4.2. Users are recommended to upgrade to version 3.4.2, which fixes the issue.

  • Medium 6.5

    Apache DolphinScheduler: Incorrect Authorization vulnerability allows users to access workflow instance information belonging to projects they do not have permission to access.

    Incorrect Authorization vulnerability allows users to access workflow instance information belonging to projects they do not have permission to access. This issue affects Apache DolphinScheduler versions prior to 3.4.2. Users are recommended to upgrade to ver…

  • Medium 4.9

    Apache DolphinScheduler: Incorrect Authorization vulnerability allows users with system login privileges to delete task definitions in unauthorized projects

    Incorrect Authorization vulnerability allows users with system login privileges to delete task definitions in unauthorized projects This issue affects Apache DolphinScheduler versions prior to 3.4.2. Users are recommended to upgrade to version 3.4.2, which fi…

  • Medium 6.5

    Apache CXF: WS JSON request filter trusts metadata from an unvalidated first signature entry

    A vulnerability in Apache CXF's JwsJsonContainerRequestFilter can be exploited to cause CXF to process metadata that was not authenticated by the accepted signature. This can bypass the application's assumption that accepted `Content-Type` or protected HTTP-h…

  • Medium 6.5

    Apache CXF: OAuth2: HTTP Response Splitting via WWW-Authenticate Realm Injection

    A CRLF injection vulnerability exists in the OAuth2 AuthorizationUtils class. When constructing the WWW-Authenticate response header, the 'realm' parameter is concatenated without sanitizing Carriage Return (CR) and Line Feed (LF) characters. If an attacker c…

  • Medium 5.3

    Apache CXF: OAuth2: Log Injection via Unsanitized Client Identifier

    The 'clientId' parameter from incoming HTTP requests is directly concatenated into OAuth2 server log warning messages without sanitizing control characters. This allows an attacker to inject arbitrary content, including fake log entries, into the server's log…

  • Medium 6.5

    Apache CXF: XML External Entity (XXE) Injection in W3CMultiSchemaFactory and EndpointReferenceUtils

    Apache CXF's EndpointReferenceUtils and W3CMultiSchemaFactory classes construct a SAXParserFactory without the necessary JAXP hardening configurations, enabling out-of-band (OOB) external entity resolution. Users are recommended to upgrade to versions 4.2.2 o…

  • Medium 4.8

    Apache CXF: Authentication Bypass in OAuth2 TokenIntrospectionService

    An authentication bypass vulnerability exists in the OAuth2 TokenIntrospectionService in Apache CXF. Due to a missing 'throw' keyword in the security context check, the introspection endpoint (/services/oauth2/introspect) can be accessed by any unauthenticate…

  • Medium 6.5

    Apache Airflow Samba provider: Path traversal in GCSToSambaOperator via GCS object names

    The Apache Airflow Samba provider's `GCSToSambaOperator` joined GCS object names to the SMB destination path without a containment check, so an object named with `../` segments resolved a write path outside the configured `destination_path`. An attacker able …

  • Medium 6.5

    Apache Answer: Unlisted Questions Accessible via Direct API Access

    Exposure of Sensitive Information to an Unauthorized Actor vulnerability in Apache Answer. This issue affects Apache Answer: through 2.0.0. The unlisted question feature did not enforce access restrictions on direct API endpoints, allowing authenticated users…

  • Medium 5.4

    Apache Answer: HTML Content Injection in Email

    Improper Neutralization of Script-Related HTML Tags in a Web Page (Basic XSS) vulnerability in Apache Answer. This issue affects Apache Answer: through 2.0.0. User-supplied content was included in notification emails without proper escaping, allowing authenti…

  • Medium 6.5

    Apache Answer: The custom avatar was not properly validated

    Unrestricted Upload of File with Dangerous Type vulnerability in Apache Answer. This issue affects Apache Answer: through 2.0.0. The server did not sufficiently validate user-supplied image URLs, allowing arbitrary external content to be embedded as profile i…

  • Medium 6.5

    Apache Answer: Uploading specially crafted TIFF files causes an Out-of-Memory error

    Unrestricted Upload of File with Dangerous Type vulnerability in Apache Answer. This issue affects Apache Answer: through 2.0.0. A crafted TIFF image could trigger excessive memory allocation during image decoding, allowing an authenticated user to cause the …

  • Medium 6.1

    Apache Answer: Authorization Bypass in Timeline API

    Exposure of Private Personal Information to an Unauthorized Actor vulnerability in Apache Answer. This issue affects Apache Answer: through 2.0.0. Timeline-related APIs lacked proper authorization checks, allowing regular authenticated users to access deleted…

  • Medium 6.1

    Apache Answer: XSS in AI Answer Rendering

    Improper Neutralization of Alternate XSS Syntax vulnerability in Apache Answer. This issue affects Apache Answer: through 2.0.0. AI-generated response content was rendered in the browser without proper sanitization, allowing malicious scripts to be executed w…

  • Medium 5.5

    Apache HTTP Server: escalation of privilege through expressions in .htaccess in multiple modules

    Improper Privilege Management vulnerability in Apache HTTP Server 2.4.67 and earlier allows local .htaccess authors to read files with the privileges of the httpd user. This issue affects Apache HTTP Server: from through 2.4.67. Users are recommended to upgra…

  • Medium 6.5

    Apache HTTP Server: OOB Read in `merge_response_headers` can cause crash

    Out-of-bounds Read vulnerability in Apache HTTP Server with mod_headers and mod_mime and multiple response languages. This issue affects Apache HTTP Server: from 2.4.0 through 2.4.67.

  • Medium 6.1

    Apache HTTP Server: mod_proxy_ftp XSS

    A cross-site scripting vulnerability exists in mod_proxy_ftp's HTML directory list generation in Apache HTTP Server 2.4.67 and earlier when listing FTP directory contents either via forward or reverse proxy configuration. Users are recommended to upgrade to v…

  • Medium 6.5

    Apache Calcite: A user-controled model can load arbitrary classes, leading to code execution

    Use of Externally-Controlled Input to Select Classes or Code ('Unsafe Reflection') vulnerability in Apache Calcite. This issue affects Apache Calcite: from 1.5.0 before 1.42. Users are recommended to upgrade to version 1.42, which fixes the issue.

  • Medium 4.3

    Apache Kafka: Improper Authorization in CONSUMER_GROUP_DESCRIBE API

    An improper authorization vulnerability has been identified in Apache Kafka. The implementation of the CONSUMER_GROUP_DESCRIBE (69) API validates the DESCRIBE operation on the GROUP resource instead of the READ operation that documented in the official kafka …

  • Medium 5.3

    Apache Fesod (Incubating): Improper validation of user-supplied URLs leading to SSRF

    Server-Side Request Forgery (SSRF) in the UrlImageConverter component of Apache Fesod (Incubating) fesod-sheet before 2.0.2-incubating allows attackers to cause outbound network requests to internal or otherwise restricted resources via a user-supplied image …

  • Medium 6.5

    Apache Airflow: Arbitrary File Read via Log Symlink following in FileTaskHandler

    A Dag author could either (a) create a symlink under their task's log directory pointing to an arbitrary file readable by the API server process (read-path attack — e.g. `/etc/passwd` or `airflow.cfg`) or (b) supply a `task_id` containing `..` sequences accep…

  • Medium 4.3

    Apache Airflow: per-DAG RBAC bypass on /ui/partitioned_dag_runs endpoints

    The partitioned_dag_runs endpoints in the Airflow UI enforced only asset-level access control, not per-Dag authorization. An authenticated UI/API user with global Asset:read permission could enumerate partition run state, schedule configuration, and asset wir…

  • Medium 5.9

    Apache Airflow: No certificate validation on SMTP STARTTLS connections

    Apache Airflow's EmailOperator and the underlying `airflow.utils.email` helpers established SMTP STARTTLS connections without verifying the remote certificate when the deployment used `[email] smtp_starttls=True` without `[email] smtp_ssl`. An attacker positi…

  • Medium 5.9

    Apache Airflow: JWT cookie missing Secure flag in JWTRefreshMiddleware behind HTTPS-terminating proxy

    Apache Airflow's `JWTRefreshMiddleware` set the JWT auth cookie without the `Secure` flag, so deployments running the Airflow API server behind an HTTPS-terminating reverse proxy (e.g. nginx / Envoy / a managed load balancer that terminates TLS and forwards p…

  • Medium 6.5

    Apache Airflow: Rendered template truncation bypasses nested sensitive-key masking

    A bug in Apache Airflow's rendered-template field handling caused nested sensitive-key masking (e.g. nested `password` / `token` / `secret` / `api_key` keys inside a JSON template structure) to be bypassed when the rendered field exceeded `[core] max_template…

  • Medium 6.5

    Apache Airflow: Variable masker depth-limit bypass returns cleartext nested secrets

    A bug in Apache Airflow's Variable response masker caused nested-key redaction (triggered by secret-suffixed key names like `password`, `token`, `secret`, `api_key`) to be bypassed when the JSON value's nesting depth exceeded the shared secrets masker's recur…

  • Medium 4.3

    Apache Airflow: Event Log detail endpoint bypasses DAG-scoped event log permission filter

    The Event Log detail endpoint `GET /api/v2/eventLogs/{event_log_id}` in Apache Airflow fetched audit-log rows directly by numeric ID after only the generic Audit Log permission check, while the collection endpoint `GET /api/v2/eventLogs` applied per-Dag scopi…

  • Medium 6.5

    Apache Airflow: revoke_token() unreachable in FabAuthManager / KeycloakAuthManager logout path

    A bug in Apache Airflow's auth manager logout handling left previously-issued JWT tokens valid after the user clicked logout in the UI: the logout flow for `FabAuthManager` and `KeycloakAuthManager` did not actually reach the underlying `revoke_token()` call,…

  • Medium 6.1

    Apache ActiveMQ, Apache ActiveMQ Web: HTTP Response Header Injection via JMS Message Properties

    Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting') vulnerability in Apache ActiveMQ, Apache ActiveMQ Web. The MessageServlet in the ActiveMQ web console API copies every JMS message property into an HTTP response header witho…