pytonapi Webhook Custom Path Authentication Bypass Vulnerability
An early warning has been issued regarding a potential vulnerability in the pytonapi package. The vulnerability, tracked as GHSA-3fcr-jvgp-7f58, reportedly allows an unauthenticated remote attacker to POST arbitrary forged payloads to the custom webhook endpoint, potentially triggering victim-defined handlers with full integrity impact.
What happened
The reported vulnerability in pytonapi, specifically affecting version 2.2.0, is under investigation. It appears to enable an unauthenticated remote attacker to bypass authentication and send arbitrary payloads to a custom webhook endpoint. This could allow the attacker to trigger handlers defined by the victim with full integrity impact.
To assess your exposure, check if your systems are using pytonapi version 2.2.0. If so, it is recommended to upgrade to a version that fixes the authentication bypass vulnerability or implement a workaround to validate the Authorization header for custom paths. The primary source should be consulted for the latest information and mitigation strategies.
This incident highlights the importance of regularly updating dependencies and implementing robust security measures to protect against potential supply-chain vulnerabilities.
How 0Day mitigates this
pytonapi is anywhere in your dependency tree, the engineers who own the affected repositories get a push alert the moment it is flagged — no manual audit to remember to run.Read how this differs from waiting on a scanner to catch a known advisory, or see the exact, read-only access 0Day needs to do this for an organization.