Categories
CVE-2026-39843

Plane has a Server-Side Request Forgery (SSRF) in Favicon Fetching

Summary

Plane has a Server-Side Request Forgery (SSRF) in Favicon Fetching

Original description

The description as published by the source.

Plane is an an open-source project management tool. From 0.28.0 to before 1.3.0, the remediation of GHSA-jcc6-f9v6-f7jw is incomplete which could lead to the same full read Server-Side Request Forgery when a normal html page contains a link tag with an href that redirects to a private IP address is supplied to Add link by an authenticated attacker with low privileges. Redirects for the main page URL are validated, but not the favicon fetch path. fetch_and_encode_favicon() still uses requests.get(favicon_url, ...) with the default redirect-following. This vulnerability is fixed in 1.3.0.

Source: OSV.dev (Open Source Vulnerabilities) NVD GitHub Advisory OSV

References

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