SEPTEMBER 17, 2026
Live Feed
Back to database
Case File

CVE-2026-78372

CRITICAL · CVSS 9.2 EPSS 0.48% Public Exploit

Source: NVD + CISA KEV + EPSS · Published 2026-08-24 · Last synced 2026-09-17

CyberRota Analysis

AI-Generated

RansomLook is vulnerable due to inconsistent authorization checks, allowing unauthorized remote attackers to access private information, including group names, ransom-note content, and associated metadata through various web views and API endpoints. The impact is critical, as attackers can exploit this flaw without authentication, leading to the disclosure of sensitive data meant for authorized users only. Organizations using RansomLook should prioritize addressing this vulnerability to prevent potential data breaches and protect sensitive information.

Public Exploit Signal

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

Detected Signals
exploit
GitHub PoC Links

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

CVE
CVE-2026-78372
Severity
CRITICAL
CVSS
9.2
EPSS
0.48%

Original NVD Description

RansomLook does not consistently enforce authorization checks when accessing groups, markets, and ransom notes marked as private. An unauthenticated or otherwise unauthorized remote attacker can access information associated with private entities through several web views and API endpoints. The affected functionality can disclose private group or market names, ransom-note content, and metadata associated with private groups. The /compare functionality can also be queried directly with the name of a private entity, allowing an unauthorized user to retrieve information such as post counts, mirror totals, and uptime even when the entity is excluded from the normal user interface. The patch explicitly adds a privacy check before returning this information. Ransom-note views, search results, and API endpoints were similarly missing consistent filtering. The fix introduces normalized private-group identifiers and alias handling, then rejects or filters notes associated with private groups before returning them to unauthorized callers. An attacker can exploit the issue remotely without authentication or user interaction, resulting in disclosure of information that was explicitly intended to be restricted to authorized users.