CVE-2026-25099

8.8

HIGH CVSS 3.1

Remote Code Execution via Unrestricted File Upload in Bludit

Overview

Description

Bludit’s API plugin allows an authenticated attacker with a valid API token to upload files of any type and extension without restriction, which can then be executed, leading to Remote Code Execution. This issue was fixed in 3.18.4.

Details

INFO

Published Date :

March 27, 2026, 12:16 p.m.

Last Modified :

April 1, 2026, 2:16 p.m.

Remotely Exploit :

Yes !

Source :

[email protected]

Impact

Affected Products

The following products are affected by CVE-2026-25099 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.

ID	Vendor	Product	Action
1	Bludit	bludit

: Total Affected Vendor : 1 | Products : 1

Scoring

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.

Version	Severity	Source
CVSS 3.1	HIGH	[email protected]
CVSS 4.0	HIGH	4bb8329e-dd38-46c1-aafb-9bf32bcb93c6
CVSS 4.0	HIGH	[email protected]

Solution

Upgrade Bludit to version 3.18.4 or later to fix file upload restrictions and prevent RCE.

Update Bludit to version 3.18.4 or newer.
Verify API plugin file upload restrictions.
Remove any malicious files uploaded.
Restrict API token access.

Public PoC/Exploit Available at Github

CVE-2026-25099 has a 3 public PoC/Exploit available at Github. Go to the Public Exploits tab to see the list.

References

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-2026-25099.

URL	Resource
https://cert.pl/posts/2026/03/CVE-2026-25099	Third Party Advisory
https://github.com/bludit/bludit/releases/tag/3.18.4	Release Notes

CWE - Common Weakness Enumeration

While CVE identifies specific instances of vulnerabilities, CWE categorizes the common flaws or weaknesses that can lead to vulnerabilities. CVE-2026-25099 is associated with the following CWEs:

CWE-434: Unrestricted Upload of File with Dangerous Type

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-2026-25099 weaknesses.

CAPEC-1: Accessing Functionality Not Properly Constrained by ACLs Accessing Functionality Not Properly Constrained by ACLs

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).

arkmarta/CVE-Credits

None

Updated: 2 weeks ago

0 stars 0 fork 0 watcher

Born at : April 2, 2026, 8:05 p.m. This repo has been linked 23 different CVEs too.

yahiahamza/CVE-2026-25099

CVE-2026-25099 — Bludit CMS API Unrestricted File Upload to Remote Code Execution

Python

Updated: 2 weeks, 5 days ago

0 stars 0 fork 0 watcher

Born at : March 28, 2026, 11:40 a.m. This repo has been linked 1 different CVEs too.

nomi-sec/PoC-in-GitHub

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

security cve exploit poc vulnerability

Updated: 1 week, 4 days ago

7620 stars 1243 fork 1243 watcher

Born at : Dec. 8, 2019, 1:03 p.m. This repo has been linked 766 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-2026-25099 vulnerability anywhere in the article.

cert.pl

Vulnerabilities in Bludit software

Vulnerabilities in Bludit software CVE ID CVE-2026-25099 Publication date 27 March 2026 Vendor Bludit Product Bludit Vulnerable versions All before 3.18.4 Vulnerability type (CWE) Unrestricted Upload ...

Published Date: Mar 27, 2026 (3 weeks ago)

Results are limited to the first 20 news articles due to potential performance issues.

The following table lists the changes that have been made to the CVE-2026-25099 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.

Initial Analysis by [email protected]

Apr. 01, 2026

Action	Type	New Value
Added	CVSS V3.1	AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Added	CPE Configuration	OR cpe:2.3:a:bludit:bludit::::::::* versions up to (excluding) 3.18.4
Added	Reference Type	CERT.PL: https://cert.pl/posts/2026/03/CVE-2026-25099 Types: Third Party Advisory
Added	Reference Type	CERT.PL: https://github.com/bludit/bludit/releases/tag/3.18.4 Types: Release Notes

New CVE Received by [email protected]

Mar. 27, 2026

Action	Type	New Value
Added	Description	Bludit’s API plugin allows an authenticated attacker with a valid API token to upload files of any type and extension without restriction, which can then be executed, leading to Remote Code Execution. This issue was fixed in 3.18.4.
Added	CVSS V4.0	AV:N/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:L/SI:L/SA:L/E:X/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	CWE	CWE-434
Added	Reference	https://cert.pl/posts/2026/03/CVE-2026-25099
Added	Reference	https://github.com/bludit/bludit/releases/tag/3.18.4

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.