: A virtual file in Linux that contains the environment variables for the currently running process. The Core Vulnerability: Escalating LFI to RCE
This is a form of via custom schemes, especially if the app uses a handler like: callback-url-file-3A-2F-2F-2Fproc-2Fself-2Fenviron
: This URI scheme tells the application to access the local file system of the server rather than an external website. /proc/self/environ : A virtual file in Linux that contains
Investigate immediately, patch the vulnerable endpoint, and rotate all secrets that may have lived in /proc/self/environ at the time of the request. A is typically used by OAuth flows, webhooks,
A is typically used by OAuth flows, webhooks, SSO redirects, or internal APIs. If an attacker can control or inject the callback URL, they could specify:
URL encoding replaces certain characters with % followed by two hex digits. Here:
