SEPTEMBER 18, 2026
Live Feed
Back to database
Case File

CVE-2026-78145

MEDIUM · CVSS 4.3 EPSS 0.42% Public Exploit

Source: NVD + CISA KEV + EPSS · Published 2026-08-23 · Last synced 2026-09-18

CyberRota Analysis

AI-Generated

CTFd versions up to 3.8.4 are vulnerable to an open redirect attack due to improper validation in the _is_safe_url function, allowing remote exploitation through manipulated URL arguments. This vulnerability could lead to phishing attacks or redirection to malicious sites, posing a risk to users and their data. Organizations using affected CTFd versions should prioritize upgrading to the patched version to mitigate potential security threats.

Public Exploit Signal

A public exploit, PoC, GitHub repository or Metasploit reference was detected for this CVE.

Detected Signals
exploit

Note: these links are listed for security research and verification purposes only.

CVE
CVE-2026-78145
Severity
MEDIUM
CVSS
4.3
EPSS
0.42%

Original NVD Description

A vulnerability has been found in CTFd up to 3.8.4. The affected element is the function _is_safe_url of the file CTFd/utils/validators/__init__.py. Such manipulation of the argument Next leads to open redirect. The attack can be launched remotely. The exploit has been disclosed to the public and may be used. The name of the patch is 5d8515842fd1ab2c3a9f2dde9ffca907aa334ea9. Upgrading the affected component is recommended.