Race Condition in Allegro's Hostname Allocation Handler
CVE-2026-16211

2.1LOW

Key Information:

Vendor: Allegro
Status: Allegro
Vendor: CVE Published:; 19 July 2026

Badges

👾 Exploit Exists🟡 Public PoC

What is CVE-2026-16211?

A vulnerability has been identified in Allegro's Ralph, specifically in the Hostname Allocation Handler. The issue resides in the AssetLastHostname.increment_hostname function of the assets.py file. By manipulating the argument counter, an attacker could potentially exploit a race condition. Though the complexity of executing such an attack is significant, the exploit has been publicly disclosed, highlighting the importance of addressing this issue. Despite early notification about the vulnerability, Allegro has not provided a resolution.

Affected Version(s)

allegro bcf65b994ef29fb3fc2e10b660e6288723d5209e

Exploit Proof of Concept (PoC)

PoC code is written by security researchers to demonstrate the vulnerability can be exploited. PoC code is also a key component for weaponization which could lead to ransomware.

CVE-2026-16211 - Proof of Concept