---
title: "CVE-2026-33992: pyLoad: Server-Side Request Forgery via Download Link Submission Enables Cloud Metadata Exfiltration"
url: https://erroneo.us/security/cve/CVE-2026-33992/
description: "CVE-2026-33992 (pyload-ng (PyPI)): pyLoad is a free and open-source download manager written in Python. Prior to version 0.5.0b3.dev97, PyLoad's download…"
type: vulnerability-record
section: "Security Digest"
date_published: 2026-03-27
date_modified: 2026-03-30
publisher: erroneo.us
author: erroneo.us Security Desk
cve: "CVE-2026-33992"
kev: false
cvss: 9.3
epss: 0.0045
license: All rights reserved. Quote with attribution and a link.
---

# CVE-2026-33992: pyLoad: Server-Side Request Forgery via Download Link Submission Enables Cloud Metadata Exfiltration

**Signal:** Critical, preconditions apply. Severe if exploited, but exploitation needs conditions that may not apply to you. (Computed from CISA KEV, EPSS and CVSS; not an editorial verdict.)

## Should you act?

- Not in CISA KEV , but CISA’s SSVC assessment records a public proof-of-concept, so attack code exists.
- EPSS 0.4% , percentile 38: FIRST’s model estimates a 0.4% chance of exploitation activity in the next 30 days, higher than 38% of all scored CVEs (low). EPSS is a probability, not a verdict.
- Needs an account (low (any account)). Exposure depends on who can log in.
- Only applies if your dependency tree includes pyload-ng (PyPI) <= 0.5.0b3.dev96, no fixed version listed . Check your lockfile, including transitive dependencies.

## What it is

pyLoad is a free and open-source download manager written in Python. Prior to version 0.5.0b3.dev97, PyLoad's download engine accepts arbitrary URLs without validation, enabling Server-Side Request Forgery (SSRF) attacks. An authenticated attacker can exploit this to access internal network services and exfiltrate cloud provider metadata. On DigitalOcean droplets, this exposes sensitive infrastructure data including droplet ID, network configuration, region, authentication keys, and SSH keys configured in user-data/cloud-init. Version 0.5.0b3.dev97 contains a patch.

## Affected packages

- PyPI `pyload-ng` <= 0.5.0b3.dev96 → fixed: none listed

## Affected products (CVE record)

- pyload pyload: < 0.5.0b3.dev97

## Severity

- GitHub_M CVSS 4.0: 9.3 `CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:N/SC:H/SI:H/SA:N`
- GitHub CVSS 4.0: 9.3 `CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:N/SC:H/SI:H/SA:N`

## Exploitation

- CISA KEV: not listed (no confirmed in-the-wild exploitation known to CISA).
- CISA SSVC assessment: exploitation poc , automatable yes , technical impact total .
- FIRST EPSS (model of 2026-10-21): 0.45% probability of exploitation activity in the next 30 days; percentile 38.

## Sources

- [GitHub Advisory GHSA-m74m-f7cr-432x](https://github.com/advisories/GHSA-m74m-f7cr-432x)
- [CVE.org record CVE-2026-33992](https://www.cve.org/CVERecord?id=CVE-2026-33992)
- [NVD entry CVE-2026-33992](https://nvd.nist.gov/vuln/detail/CVE-2026-33992)
- [github.com](https://github.com/pyload/pyload/security/advisories/GHSA-m74m-f7cr-432x)
- [github.com](https://github.com/pyload/pyload/commit/b76b6d4ee5e32d2118d26afdee1d0a9e57d4bfe8)

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Source page: https://erroneo.us/security/cve/CVE-2026-33992/ · Security Digest: https://erroneo.us/security/ · More: https://erroneo.us/llms.txt