CVE-2026-16211
allegro Hostname Allocation assets.py AssetLastHostname.increment_hostname race condition
Description
A vulnerability was determined in allegro up to bcf65b994ef29fb3fc2e10b660e6288723d5209e. This impacts the function AssetLastHostname.increment_hostname of the file src/ralph/assets/models/assets.py of the component Hostname Allocation Handler. Executing a manipulation of the argument counter can lead to race condition. Attacks of this nature are highly complex. The exploitability is said to be difficult. The exploit has been publicly disclosed and may be utilized. The project was informed of the problem early through an issue report but has not responded yet.
INFO
Published Date :
July 19, 2026, 4:17 a.m.
Last Modified :
July 19, 2026, 4:17 a.m.
Remotely Exploit :
No
Source :
[email protected]
Affected Products
The following products are affected by CVE-2026-16211
vulnerability.
Even if cvefeed.io is aware of the exact versions of the
products
that
are
affected, the information is not represented in the table below.
No affected product recoded yet
CVSS Scores
| Score | Version | Severity | Vector | Exploitability Score | Impact Score | Source |
|---|---|---|---|---|---|---|
| CVSS 2.0 | LOW | [email protected] | ||||
| CVSS 3.1 | LOW | [email protected] | ||||
| CVSS 4.0 | LOW | [email protected] |
Solution
- Update the AssetLastHostname.increment_hostname function.
- Implement proper locking mechanisms.
- Ensure atomic updates to the counter.
- Review related concurrency controls.
References to Advisories, Solutions, and Tools
Here, you will find a curated list of external links that provide in-depth
information, practical solutions, and valuable tools related to
CVE-2026-16211.
| URL | Resource |
|---|---|
| https://github.com/allegro/ralph/issues/3950 | |
| https://vuldb.com/cve/CVE-2026-16211 | |
| https://vuldb.com/submit/857935 | |
| https://vuldb.com/vuln/380027 | |
| https://vuldb.com/vuln/380027/cti |
CWE - Common Weakness Enumeration
While CVE identifies
specific instances of vulnerabilities, CWE categorizes the common flaws or
weaknesses that can lead to vulnerabilities. CVE-2026-16211 is
associated with the following CWEs:
Common Attack Pattern Enumeration and Classification (CAPEC)
Common Attack Pattern Enumeration and Classification
(CAPEC)
stores attack patterns, which are descriptions of the common attributes and
approaches employed by adversaries to exploit the CVE-2026-16211
weaknesses.
We scan GitHub repositories to detect new proof-of-concept exploits. Following list is a collection of public exploits and proof-of-concepts, which have been published on GitHub (sorted by the most recently updated).
Results are limited to the first 15 repositories due to potential performance issues.
The following list is the news that have been mention
CVE-2026-16211 vulnerability anywhere in the article.
The following table lists the changes that have been made to the
CVE-2026-16211 vulnerability over time.
Vulnerability history details can be useful for understanding the evolution of a vulnerability, and for identifying the most recent changes that may impact the vulnerability's severity, exploitability, or other characteristics.
-
New CVE Received by [email protected]
Jul. 19, 2026
Action Type Old Value New Value Added Affected [{'cpes': ['cpe:2.3:a:allegro:allegro:*:*:*:*:*:*:*:*'], 'vendor': 'n/a', 'modules': ['Hostname Allocation Handler'], 'product': 'allegro', 'versions': [{'status': 'affected', 'version': 'bcf65b994ef29fb3fc2e10b660e6288723d5209e'}]}] Added Description A vulnerability was determined in allegro up to bcf65b994ef29fb3fc2e10b660e6288723d5209e. This impacts the function AssetLastHostname.increment_hostname of the file src/ralph/assets/models/assets.py of the component Hostname Allocation Handler. Executing a manipulation of the argument counter can lead to race condition. Attacks of this nature are highly complex. The exploitability is said to be difficult. The exploit has been publicly disclosed and may be utilized. The project was informed of the problem early through an issue report but has not responded yet. Added CVSS V4.0 AV:A/AC:H/AT:N/PR:L/UI:N/VC:N/VI:L/VA:N/SC:N/SI:N/SA:N/E:P/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X Added CVSS V3.1 AV:A/AC:H/PR:L/UI:N/S:U/C:N/I:L/A:N Added CVSS V2 (AV:A/AC:H/Au:S/C:N/I:P/A:N) Added CWE CWE-362 Added Reference https://github.com/allegro/ralph/issues/3950 Added Reference https://vuldb.com/cve/CVE-2026-16211 Added Reference https://vuldb.com/submit/857935 Added Reference https://vuldb.com/vuln/380027 Added Reference https://vuldb.com/vuln/380027/cti