CVE-2026-90817 REDCap - Remote Code Execution

REDCap >= 13.3.0 contains a remote code execution caused by manipulation of HTTP requests and crafted file-path/stream parameters in survey passthrough routing and Data Import processing, letting unauthenticated attackers remotely execute code, exploit requires knowledge of a valid public survey hash.

CVSS base score 9.8 /10
Critical
CISA KEV
Exploited in the wild
Public exploit
Proof of concept available
Authentication
Not required
EPSS
0.88% chance of exploitation in 30 days
View the NVD record ↗

Details

Type
Remote Code Execution
Impact
Remote Code Execution
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Published
20 September 2026
Updated
15 October 2026
Weakness
CWE-73

Vendor fix

Update to the latest version beyond 13.3.0.

Patching closes this CVE. It does not tell you which of your systems run the affected version, or what else is exposed alongside them.

References

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