CVE-2026-6815
CVE-2026-6815
Description
An arbitrary file write vulnerability exists in Casdoor's Local File System storage provider. Due to insufficient path sanitization, an authenticated attacker with administrative privileges can perform a Path Traversal attack to create or overwrite arbitrary files anywhere on the host filesystem, bypassing the application's intended storage sandbox.
INFO
Published Date :
May 11, 2026, 4:17 p.m.
Last Modified :
June 1, 2026, 4:38 p.m.
Remotely Exploit :
No
Source :
[email protected]
CVSS Scores
| Score | Version | Severity | Vector | Exploitability Score | Impact Score | Source |
|---|---|---|---|---|---|---|
| CVSS 3.1 | MEDIUM | 134c704f-9b21-4f2e-91b3-4a467353bcc0 |
Solution
- Sanitize all user-supplied path inputs.
- Validate file paths against allowed directories.
- Implement strict file writing permissions.
- Update Casdoor to the latest version.
Public PoC/Exploit Available at Github
CVE-2026-6815 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-2026-6815.
| URL | Resource |
|---|---|
| https://kb.cert.org/vuls/id/937808 | Third Party Advisory VDB Entry |
| https://www.kb.cert.org/vuls/id/937808 | Third Party Advisory VDB Entry |
CWE - Common Weakness Enumeration
While CVE identifies
specific instances of vulnerabilities, CWE categorizes the common flaws or
weaknesses that can lead to vulnerabilities. CVE-2026-6815 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-2026-6815
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).
Proof of Concept (PoC) exploit for CVE-2026-6815: Authenticated Path Traversal & Arbitrary File Write in Casdoor (< 3.54.1) leading to RCE/DoS.
Python
Results are limited to the first 15 repositories due to potential performance issues.
The following list is the news that have been mention
CVE-2026-6815 vulnerability anywhere in the article.
The following table lists the changes that have been made to the
CVE-2026-6815 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]
Jun. 01, 2026
Action Type Old Value New Value Added CWE CWE-22 Added CPE Configuration OR *cpe:2.3:a:casbin:casdoor:*:*:*:*:*:*:*:* versions up to (including) 2.328.0 Added Reference Type CERT/CC: https://kb.cert.org/vuls/id/937808 Types: Third Party Advisory, VDB Entry Added Reference Type CVE: https://www.kb.cert.org/vuls/id/937808 Types: Third Party Advisory, VDB Entry -
CVE Modified by 134c704f-9b21-4f2e-91b3-4a467353bcc0
May. 13, 2026
Action Type Old Value New Value Added CVSS V3.1 AV:L/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L -
CVE Modified by af854a3a-2127-422b-91ae-364da2661108
May. 11, 2026
Action Type Old Value New Value Added Reference https://www.kb.cert.org/vuls/id/937808 -
New CVE Received by [email protected]
May. 11, 2026
Action Type Old Value New Value Added Description An arbitrary file write vulnerability exists in Casdoor's Local File System storage provider. Due to insufficient path sanitization, an authenticated attacker with administrative privileges can perform a Path Traversal attack to create or overwrite arbitrary files anywhere on the host filesystem, bypassing the application's intended storage sandbox. Added Reference https://kb.cert.org/vuls/id/937808