CVE-2025-53371CWE-400CWE-918

DiscordNotifications allows DOS, SSRF, and possible RCE through requests to user-controlled URLs

Critical · published July 10, 2025

CVSS v3.1
9.1
EPSS
0%
Percentile
31.1
In the wild
Unconfirmed
What it is

🚨 DiscordNotifications has a sneaky flaw that lets attackers send requests to ANY URL, and it could lead to some seriously nasty consequences! 🔥 Think of it like a restaurant that takes orders from a sketchy list on the wall — any diner can request a dish, including ones that could spoil the entire kitchen's food supply! An attacker could exploit this vulnerability to read massive files, potentially causing a denial of service, or even hit internal APIs that aren't protected, which could lead to remote code execution. If successful, they could gain access to sensitive data or disrupt the entire service, which would be absolutely devastating!

Put simply

Think of it like a restaurant that takes orders from a sketchy list on the wall — any diner can request a dish, including ones that could spoil the entire kitchen's food supply! This CVE allows arbitrary URL requests through curl and file_get_contents, exposing your server to denial of service and server-side request forgery (SSRF) vulnerabilities. These could allow attackers to reach unprotected internal APIs or execute code remotely if the right conditions are met.

What to do

An attacker could exploit this vulnerability to read massive files, potentially causing a denial of service, or even hit internal APIs that aren't protected, which could lead to remote code execution. If successful, they could gain access to sensitive data or disrupt the entire service, which would be absolutely devastating! To protect yourself, upgrade DiscordNotifications to the fixed version identified by commit 1f20d850cbcce5b15951c7c6127b87b927a5415e right away. Also, implement access controls on internal APIs to ensure they're not exposed to the public. Regularly audit your configuration to keep everything locked down! You've got this! Just follow these steps, and you’ll have your security hero cape on in no time! 🛡️

The record
Technical detail
CVSS v3.1
9.1 · CRITICAL
Vector
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:L/I:L/A:H
CVSS v4.0
Not supplied
EPSS
0.00382 · 31.1th percentile
Weaknesses
CWE-400 · Uncontrolled Resource Consumption; CWE-918 · Server-Side Request Forgery (SSRF)
Published
2025-07-10T17:26Z
EPSS history
Timeline
  • 10 JUL 17:26Z
    DiscordNotifications allows DOS, SSRF, and possible RCE through requests to user-controlled URLs
    cvelistv5