PYSEC-2026-2958 Prefect Unauthenticated Event Injection via /api/events/in WebSocket

A flaw has been found in PrefectHQ prefect up to 3.6.13. Affected is an unknown function of the file /api/events/in of the component WebSocket Endpoint. Executing a manipulation can lead to missing authentication. The attack may be performed from remote. The exploit has been published and may be...

Prefect Unauthenticated Event Injection via /api/events/in WebSocket

A flaw has been found in PrefectHQ prefect up to 3.6.13. Affected is an unknown function of the file /api/events/in of the component WebSocket Endpoint. Executing a manipulation can lead to missing authentication. The attack may be performed from remote. The exploit has been published and may be...

PYSEC-2026-2959 Prefect SSRF Bypass via DNS Rebinding in validate_restricted_url

A vulnerability has been found in PrefectHQ prefect up to 3.6.28.dev1. Affected by this vulnerability is the function validaterestrictedurl of the component Webhook/Notification. The manipulation leads to time-of-check time-of-use. It is possible to initiate the attack remotely. The attack is...

Prefect Git Argument Injection in GitRepository Pull Steps

A vulnerability was found in PrefectHQ prefect up to 3.6.25.dev6. Affected by this issue is some unknown functionality of the file src/prefect/runner/storage.py of the component GitRepository Pull Handler. The manipulation of the argument commitsha/directories results in argument injection. It is...

PYSEC-2026-2602 LiteLLM: Server-Side Template Injection in /prompts/test endpoint

Impact The POST /prompts/test endpoint accepted user-supplied prompt templates and rendered them without sandboxing. A crafted template could run arbitrary code inside the LiteLLM Proxy process. The endpoint only checks that the caller presents a valid proxy API key, so any authenticated user cou...

LiteLLM: Server-Side Template Injection in /prompts/test endpoint

ImpactThe POST /prompts/test endpoint accepted user-supplied prompt templates and rendered them without sandboxing. A crafted template could run arbitrary code inside the LiteLLM Proxy process.The endpoint only checks that the caller presents a valid proxy API key, so any authenticated user could...

PYSEC-2026-3427 Wooey has an Incorrect Privilege Assignment issue

A vulnerability was determined in Wooey up to 0.13.2. The impacted element is the function addorupdatescript of the file wooey/api/scripts.py of the component API Endpoint. Executing a manipulation can lead to improper authorization. It is possible to launch the attack remotely. The exploit has...

PYSEC-2026-2351 Apache Airflow's authenticated /ui/dags endpoint did not enforce per-DAG access control on embedded Human-in-the-Loop (HITL) and TaskInstance record

The authenticated /ui/dags endpoint did not enforce per-DAG access control on embedded Human-in-the-Loop HITL and TaskInstance records: a logged-in Airflow user with read access to at least one DAG could retrieve HITL prompts including their request parameters and full TaskInstance details for DA...

Apache Airflow's asset dependency graph did not restrict nodes by the viewer's DAG read permissions

The asset dependency graph did not restrict nodes by the viewer's DAG read permissions: a user with read access to at least one DAG could browse the asset graph for any other asset in the deployment and learn the existence and names of DAGs and assets outside their authorized scope.Users are...

apache-airflow-providers-keycloak: Missing OAuth 2.0 State and PKCE Enables Login CSRF and Session Fixation

The Keycloak authentication manager in apache-airflow-providers-keycloak did not generate or validate the OAuth 2.0 state parameter on the login / login-callback flow, and did not use PKCE. An attacker with a Keycloak account in the same realm could deliver a crafted callback URL to a victim's...

Apache Airflow allows users with asset materialize permissions to trigger DAGs outside of their permissions

UI / API User with asset materialize permission could trigger dags they had no access to. Users are advised to migrate to Airflow version 3.2.0 that fixes the issue...

PYSEC-2026-2361 Apache Airflow exposes SQL stack trace despite "api/expose_stack_traces" set to false

In case of SQL errors, exception/stack trace of errors was exposed in API even if "api/exposestacktraces" was set to false. That could lead to exposing additional information to potential attacker. Users are recommended to upgrade to Apache Airflow 3.2.0, which fixes the issue...

PYSEC-2026-2359 Apache Airflow allows code execution through crafted XCom payloads

Dag Authors, who normally should not be able to execute code in the webserver context could craft XCom payload causing the webserver to execute arbitrary code. Since Dag Authors are already highly trusted, severity of this issue is Low. Users are recommended to upgrade to Apache Airflow 3.2.0,...

PYSEC-2026-2362 Apache Airflow Exposes Secrets in Variables Saved as JSON Dictionaries

Secrets in Variables saved as JSON dictionaries were not properly redacted - in case the variables were retrieved by the user the secrets stored as nested fields were not masked. If developers do not store variables with sensitive values in JSON form, their projects are not affected. Otherwise...

Apache Airflow exposes SQL stack trace despite "api/expose_stack_traces" set to false

In case of SQL errors, exception/stack trace of errors was exposed in API even if "api/exposestacktraces" was set to false. That could lead to exposing additional information to potential attacker. Users are recommended to upgrade to Apache Airflow 3.2.0, which fixes the issue...

PYSEC-2026-2360 Apache Airflow allows users with asset materialize permissions to trigger DAGs outside of their permissions

UI / API User with asset materialize permission could trigger dags they had no access to. Users are advised to migrate to Airflow version 3.2.0 that fixes the issue...

PYSEC-2026-3011 pypdf: Manipulated FlateDecode predictor parameters can exhaust RAM

Impact An attacker who uses this vulnerability can craft a PDF which leads to the RAM being exhausted. This requires accessing a stream compressed using /FlateDecode with a /Predictor unequal 1 and large predictor parameters. Patches This has been fixed in pypdf==6.10.2. Workarounds If you cannot...

PYSEC-2026-2352 Apache Airflow: JWT token appearing in logs

JWT Tokens used by tasks were exposed in logs. This could allow UI users to act as Dag Authors. Users are advised to upgrade to Airflow version that contains fix. Users are recommended to upgrade to version 3.2.0, which fixes this issue...

python-multipart affected by Denial of Service via large multipart preamble or epilogue data

SummaryA denial of service vulnerability exists when parsing crafted multipart/form-data requests with large preamble or epilogue sections. DetailsTwo inefficient multipart parsing paths could be abused with attacker-controlled input.Before the first multipart boundary, the parser handled leading...

Apache Airflow: JWT token appearing in logs

JWT Tokens used by tasks were exposed in logs. This could allow UI users to act as Dag Authors. Users are advised to upgrade to Airflow version that contains fix.Users are recommended to upgrade to version 3.2.0, which fixes this issue...