CVE-2023-0434 Improper Input Validation in pyload/pyload
Improper input validation in pyload allows attackers to potentially disrupt service or execute unintended actions, requiring an upgrade to the latest version.
- Exploited in the wild
- Not known
- Login needed
- An administrator
- Attackable
- Local or same network only
- Victim action needed
- A user has to click or open something
- Fix
- Available
What is CVE-2023-0434?
CVE-2023-0434 is a medium-severity vulnerability in pyload/pyload, published on 22 Jan 2023. It can only be exploited from the same machine or local network, and only if a user opens a file or follows a link.
Official description
Improper Input Validation in GitHub repository pyload/pyload prior to 0.5.0b3.dev40.
Weakness: CWE-20
Which versions are affected by CVE-2023-0434?
3 open source packages ship an affected version, including pyload-ng. It affects 1 product.
| Package | Affected | Fixed in |
|---|---|---|
pyload-ng PyPI | All versions | 0.5.0b3.dev40 |
pyload-ng PyPI | All versions | 0.5.0b3.dev40 |
pyload-ng PyPI | All versions | 0.5.0b3.dev40 |
Products include Pyload Pyload.
How do I fix CVE-2023-0434?
Upgrade pyload-ng to 0.5.0b3.dev40 or later.
Is CVE-2023-0434 being exploited?
It is not confirmed as exploited in the wild, but public exploit code for CVE-2023-0434 exists.
Other vulnerabilities in pyload/pyload
- CVE-2023-0297 Code Injection in pyload/pyload
- CVE-2026-33992 pyLoad: Server-Side Request Forgery via Download Link Submission Enables Cloud Metadata Exfiltration
- CVE-2024-47821 pyLoad vulnerable to remote code execution by download to /.pyload/scripts using /flashgot API
- CVE-2024-32880 pyLoad allows upload to arbitrary folder lead to RCE
- CVE-2026-41133 pyLoad has Stale Session Privilege After Role/Permission Change (Privilege Revocation Bypass)
Sources
Also known as GHSA-x9vc-5q77-m7x4, PYSEC-2026-908.