7.5
HIGH CVSS 3.1
CVE-2026-52100
linux-server Cross-Site Request Forgery to Remote Code Execution
Description

Cross Site Request Forgery vulnerability in andreimarcu linux-server v.1.0 through v.2.3.8 allows a remote attacker to execute arbitrary code via the uploadPutHandler function

INFO

Published Date :

July 14, 2026, 9:17 p.m.

Last Modified :

July 15, 2026, 8:27 p.m.

Remotely Exploit :

Yes !
Affected Products

The following products are affected by CVE-2026-52100 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
The Common Vulnerability Scoring System is a standardized framework for assessing the severity of vulnerabilities in software and systems. We collect and displays CVSS scores from various sources for each CVE.
Score Version Severity Vector Exploitability Score Impact Score Source
CVSS 134c704f-9b21-4f2e-91b3-4a467353bcc0
CVSS 3.1 HIGH 134c704f-9b21-4f2e-91b3-4a467353bcc0
Solution
Implement CSRF protection in uploadPutHandler to prevent arbitrary code execution.
  • Update andreimarcu linux-server to a patched version.
  • Review and secure the uploadPutHandler function.
  • Implement anti-CSRF tokens.
  • Validate all user inputs.
Public PoC/Exploit Available at Github

CVE-2026-52100 has a 1 public PoC/Exploit available at Github. Go to the Public Exploits tab to see the list.

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-2026-52100.

URL Resource
https://github.com/andreimarcu/linx-server
https://github.com/nk7667/-linx-server-vulnerability-report/blob/main/CVE-2026-52100.md
https://github.com/nk7667/-linx-server-vulnerability-report/blob/main/CVE-2026-52100.md
CWE - Common Weakness Enumeration

While CVE identifies specific instances of vulnerabilities, CWE categorizes the common flaws or weaknesses that can lead to vulnerabilities. CVE-2026-52100 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-2026-52100 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).

📡 PoC auto collect from GitHub. ⚠️ Be careful Malware.

security cve exploit poc vulnerability

Updated: 2 months, 2 weeks ago
7922 stars 1275 fork 1275 watcher
Born at : Dec. 8, 2019, 1:03 p.m. This repo has been linked 646 different CVEs too.

Results are limited to the first 15 repositories due to potential performance issues.

The following list is the news that have been mention CVE-2026-52100 vulnerability anywhere in the article.

The following table lists the changes that have been made to the CVE-2026-52100 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.

  • CVE Modified by 134c704f-9b21-4f2e-91b3-4a467353bcc0

    Jul. 15, 2026

    Action Type Old Value New Value
    Added CVSS V3.1 AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N
    Added CWE CWE-352
    Added Reference https://github.com/nk7667/-linx-server-vulnerability-report/blob/main/CVE-2026-52100.md
    Added SSVC {'id': 'CVE-2026-52100', 'role': 'CISA Coordinator', 'options': [{'exploitation': 'poc'}, {'automatable': 'yes'}, {'technicalImpact': 'partial'}], 'version': '2.0.3', 'timestamp': '2026-07-15T14:38:06.772989Z'}
  • New CVE Received by [email protected]

    Jul. 14, 2026

    Action Type Old Value New Value
    Added Affected [{'vendor': 'n/a', 'product': 'n/a', 'versions': [{'status': 'affected', 'version': 'n/a'}]}]
    Added Description Cross Site Request Forgery vulnerability in andreimarcu linux-server v.1.0 through v.2.3.8 allows a remote attacker to execute arbitrary code via the uploadPutHandler function
    Added Reference https://github.com/andreimarcu/linx-server
    Added Reference https://github.com/nk7667/-linx-server-vulnerability-report/blob/main/CVE-2026-52100.md
EPSS is a daily estimate of the probability of exploitation activity being observed over the next 30 days. Following chart shows the EPSS score history of the vulnerability.