What is CVE-2026-16637?

CVE-2026-16637 is a medium-severity vulnerability in Opendap Inc. Hyrax-Docker, classified under Insertion of Sensitive Information into Sent Data. CVSS score: 6.5/10. Published 2026-08-07.

How severe is CVE-2026-16637?

Medium severity. CVSS v3 base score is 6.5 out of 10.

SSRF in Opendap Inc. Hyrax-Docker

CVE-2026-16637

OPeNDAP Hyrax allows SSRF and credential disclosure via unvalidated HTTP redirects that bypass the AllowedHosts allowlist and leak Earthdata headers (User-Id, Echo-Token) to attacker-controlled endpoints.

EPSS: 0.004 (33.7th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 6.5 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:N.

Affected products

Opendap Inc. Hyrax-docker — versions 1.18.0

Weakness classification (CWE)

CWE-201 — Insertion of Sensitive Information into Sent Data
CWE-918 — Server-Side Request Forgery (SSRF)

References

cret@cert.org
cret@cert.org
af854a3a-2127-422b-91ae-364da2661108

Frequently asked questions

What is CVE-2026-16637?: CVE-2026-16637 is a medium-severity vulnerability in Opendap Inc. Hyrax-Docker, classified under Insertion of Sensitive Information into Sent Data. CVSS score: 6.5/10. Published 2026-08-07.
How severe is CVE-2026-16637?: Medium severity. CVSS v3 base score is 6.5 out of 10.