7.5
HIGH CVSS 3.1
CVE-2026-30345
CTFd Zip Slip File Write Vulnerability
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.

INFO

Published Date :

March 18, 2026, 5:16 p.m.

Last Modified :

March 19, 2026, 3:16 p.m.

Remotely Exploit :

Yes !
Affected Products

The following products are affected by CVE-2026-30345 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.

No affected product recoded yet

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.
Score Version Severity Vector Exploitability Score Impact Score Source
CVSS 3.1 HIGH 134c704f-9b21-4f2e-91b3-4a467353bcc0
Solution
Update CTFd to a version that addresses the zip slip vulnerability in Admin import.
  • Update CTFd to the latest version.
  • Verify import functionality is secured.
Public PoC/Exploit Available at Github

CVE-2026-30345 has a 2 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-2026-30345.

URL Resource
https://blog.ctfd.io/ctfd-3-8-2/
https://github.com/CTFd/CTFd
https://github.com/CTFd/CTFd/security/policy
https://github.com/syphonetic/CVE-2026-30345
CWE - Common Weakness Enumeration

While CVE identifies specific instances of vulnerabilities, CWE categorizes the common flaws or weaknesses that can lead to vulnerabilities. CVE-2026-30345 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-2026-30345 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).

None

Python

Updated: 2 weeks, 4 days ago
1 stars 0 fork 0 watcher
Born at : March 17, 2026, 2:32 p.m. This repo has been linked 1 different CVEs too.

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

security cve exploit poc vulnerability

Updated: 2 days, 8 hours 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-2026-30345 vulnerability anywhere in the article.

The following table lists the changes that have been made to the CVE-2026-30345 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.

  • CVE Modified by 134c704f-9b21-4f2e-91b3-4a467353bcc0

    Mar. 19, 2026

    Action Type Old Value New Value
    Added CVSS V3.1 AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N
    Added CWE CWE-23
  • New CVE Received by [email protected]

    Mar. 18, 2026

    Action Type Old Value New Value
    Added 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.
    Added Reference https://blog.ctfd.io/ctfd-3-8-2/
    Added Reference https://github.com/CTFd/CTFd
    Added Reference https://github.com/CTFd/CTFd/security/policy
    Added Reference https://github.com/syphonetic/CVE-2026-30345
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.