CVE-2026-30345

HIGH

CTFd v3.8.1-18-gdb5a18c4 - Path Traversal

Title source: llm
STIX 2.1

Exploitation Summary

EIP tracks 1 public exploit for CVE-2026-30345. PoCs published by syphonetic.

AI-analyzed exploit summary This repository contains a functional exploit for CVE-2026-30345, an arbitrary file write vulnerability in CTFd < 3.8.2. The exploit leverages a zip slip vulnerability in the backup import functionality to write a malicious .bashrc file, achieving persistent remote code execution.

Description

A zip slip vulnerability in the Admin import functionality of CTFd v3.8.1-18-gdb5a18c4 allows attackers to write arbitrary files outside the intended directories via supplying a crafted import.

Exploits (1)

nomisec WORKING POC 5 stars
by syphonetic · poc
https://github.com/syphonetic/CVE-2026-30345

This repository contains a functional exploit for CVE-2026-30345, an arbitrary file write vulnerability in CTFd < 3.8.2. The exploit leverages a zip slip vulnerability in the backup import functionality to write a malicious .bashrc file, achieving persistent remote code execution.

Classification
Working Poc 95%
Attack Type
Rce
Complexity
Moderate
Reliability
Reliable
Target: CTFd < 3.8.2
Auth required
Prerequisites: Valid CTFd admin credentials · Network access to the CTFd instance · Ability to upload a malicious backup file
devstral-2 · analyzed May 03, 2026 Full analysis →

Scores

CVSS v3 7.5
EPSS 0.0041
EPSS Percentile 32.1%
Attack Vector NETWORK
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N

CISA SSVC

Vulnrichment
Exploitation none
Automatable yes
Technical Impact partial

Details

CWE
CWE-23
Status published
Published Mar 18, 2026
Tracked Since Mar 18, 2026