Vulnerability · Published May 11, 2026 · Assigned by certcc
CVE-2026-6815CVE-2026-6815
Medium 5.9
In plain English
A medium-severity security flaw in Casdoor from Casdoor. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 0.5% (higher than 44% of all known vulnerabilities). Ready-made attack tooling exists: public proof-of-concept code.
Severity (CVSS 3.1)5.9Medium
Exploit odds (30 days)0.5%top 56.1% of all CVEs
Exploited in the wildNo reportsCISA SSVC: none
Attack tooling1Public PoC
Official 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.
Affected packages & fixed versions
| Ecosystem | Package | Fixed in | Advisory |
|---|---|---|---|
| Go | github.com/casdoor/casdoor | no fix listed | GHSA-rmxx-v9rj-vpvg |
| Go | github.com/casdoor/casdoor | no fix listed | GO-2026-5945 |