Survey: remote code execution

Vanderbilt University REDCap

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…

Fix it

Upgrade to REDCap 16.0.49

First seen: 27 Oct 2026
Last update: 27 Oct 2026, 09:17 UTC
Fixed in: 16.0.49
Identifiers: CVE-2026-90817
CVSS: 9.8
Source: news

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## Survey: remote code execution
Severity: critical. Patch status: patched.
Affected: Vanderbilt University REDCap
Fixed in: 16.0.49
Ids: CVE-2026-90817

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…

## Steps
1. Search the repo, its CI and infra config for Vanderbilt University REDCap. If present, report the version in use and whether it's affected.
2. Fix by release line: REDCap: 16.0.49.

## Fix by release line
| Line | State | Fix | Until then |
|---|---|---|---|
| REDCap | fixed | 16.0.49 | — |

## Report
A table: file, product or package, version in use, affected yes/no, exact fix. Then anything a human has to check outside the repo.

If you have the pwned.coffee MCP server (https://pwned.coffee/mcp), call lookup_cve("CVE-2026-90817") for the latest, and check_repo with this repo's lockfiles, Dockerfiles and workflows for a full receipt.
Sources: https://nvd.nist.gov/vuln/detail/CVE-2026-90817 https://www.securifera.com/advisories/
https://pwned.coffee/i/survey-remote-code-execution-cve-2026-90817

Timeline

27 Oct 2026, 09:18 UTC
Fix status: unknown → patched.
27 Oct 2026
First reported.

Receipt

Exploitation: No known exploitation
Fix by release line: Product Affected Fixed in Source
REDCap before 16.0.49 16.0.49 CVE record (CNA) checked 27 Oct
Score: CVSS 9.8 (critical). CVSS 3.1 9.8 (CNA Securifera) for CVE-2026-90817
Last checked: 27 Oct 2026, 09:18 UTC

Product	Affected	Fixed in	Source
REDCap	before 16.0.49	16.0.49	CVE record (CNA) checked 27 Oct

Sources: KEV – CVE record ✓ Vendor ✓

Sources

Wrong fix version, or a source we missed? Send it back to chef@pwned.coffee with the source, and we'll correct it here.

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