AUGUST 16, 2026
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Case File

CVE-2026-51583

HIGH · CVSS 8.5 EPSS 0.29% Public Exploit

Source: NVD + CISA KEV + EPSS · Published 2026-08-11 · Last synced 2026-08-16

CyberRota Analysis

AI-Generated

The vulnerability in usememos versions up to 0.30.0 allows remote authenticated attackers to exploit the Webhook validation mechanism, enabling Server-Side Request Forgery (SSRF) by configuring a webhook target to point to an internal address. This could lead to unauthorized access to internal services or sensitive data. Organizations using this software should prioritize remediation to mitigate potential exploitation risks.

Public Exploit Signal

A public exploit, PoC, GitHub repository or Metasploit reference was detected for this CVE.

GitHub PoC Links
gist.github.com ↗ github.com ↗

Note: these links are listed for security research and verification purposes only.

CVE
CVE-2026-51583
Severity
HIGH
CVSS
8.5
EPSS
0.29%

Original NVD Description

An issue in usememos through v0.30.0 allows a remote authenticated attacker to perform Server-Side Request Forgery (SSRF) via the Webhook validation mechanism in internal/webhook/validate.go, by setting a webhook target to an internal address.