OPeNDAP Hyrax SSRF and Credential Disclosure via Unvalidated Redirects

published 2026-08-07 3mo ago modified 2026-10-23 17d ago also EUVD-2026-54479

cvss: 6.5; version 3.1, CNA
cisa kev: Not listed; not in CISA's catalog
epss: 0.5%; EPSS 0.5% chance of exploitation in 30 days, percentile 39%
public exploits: 0; none known

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.

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CISA SSVC

Exploitation: none
Automatable: no
Technical impact: partial
Assessed: 2mo ago (2026-08-10)

Exploit prediction

0.46% chance of exploitation in the next 30 days, higher than 39% of all scored CVEs (FIRST EPSS, 2026-11-09).

CVSS scores

assigned by	version	score	vector
CISA ADP	3.1	6.5	CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:N
CNA	3.1	6.5	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

Classification

Weakness

CWE-918 Server-Side Request Forgery
CWE-201 Insertion of Sensitive Information Into Sent Data

References

Sources

CVE List CVE-2026-16637
NVD CVE-2026-16637

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