CVE-2026-16637
OPeNDAP Hyrax SSRF and Credential Disclosure via Unvalidated Redirects
Description
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.
INFO
Published Date :
Aug. 7, 2026, 2:16 p.m.
Last Modified :
Oct. 23, 2026, 9:10 p.m.
Remotely Exploit :
Yes !
Source :
[email protected]
Affected Products
The following products are affected by CVE-2026-16637
vulnerability.
Even if cvefeed.io is aware of the exact versions of the
products
that
are
affected, the information is not represented in the table below.
No affected product recoded yet
CVSS Scores
| Score | Version | Severity | Vector | Exploitability Score | Impact Score | Source |
|---|---|---|---|---|---|---|
| CVSS | 134c704f-9b21-4f2e-91b3-4a467353bcc0 | |||||
| CVSS 3.1 | MEDIUM | 134c704f-9b21-4f2e-91b3-4a467353bcc0 |
Solution
- Update OPeNDAP Hyrax to the latest version.
- Ensure AllowedHosts is properly configured.
- Validate all HTTP redirects.
- Monitor network traffic for suspicious redirects.
References to Advisories, Solutions, and Tools
Here, you will find a curated list of external links that provide in-depth
information, practical solutions, and valuable tools related to
CVE-2026-16637.
| URL | Resource |
|---|---|
| https://github.com/OPENDAP/hyrax-docker | |
| https://www.opendap.org/official-hyrax-1-18-release/ | |
| https://www.kb.cert.org/vuls/id/305509 |
CWE - Common Weakness Enumeration
While CVE identifies
specific instances of vulnerabilities, CWE categorizes the common flaws or
weaknesses that can lead to vulnerabilities. CVE-2026-16637 is
associated with the following CWEs:
Common Attack Pattern Enumeration and Classification (CAPEC)
Common Attack Pattern Enumeration and Classification
(CAPEC)
stores attack patterns, which are descriptions of the common attributes and
approaches employed by adversaries to exploit the CVE-2026-16637
weaknesses.
We scan GitHub repositories to detect new proof-of-concept exploits. Following list is a collection of public exploits and proof-of-concepts, which have been published on GitHub (sorted by the most recently updated).
Results are limited to the first 15 repositories due to potential performance issues.
The following list is the news that have been mention
CVE-2026-16637 vulnerability anywhere in the article.
The following table lists the changes that have been made to the
CVE-2026-16637 vulnerability over time.
Vulnerability history details can be useful for understanding the evolution of a vulnerability, and for identifying the most recent changes that may impact the vulnerability's severity, exploitability, or other characteristics.
-
CVE Translated by [email protected]
Oct. 23, 2026
Action Type Old Value New Value Added Translation Title: hyrax-docker de OPeNDAP Inc., Description: OPeNDAP Hyrax permite SSRF y divulgación de credenciales a través de redirecciones HTTP no validadas que eluden la lista de permitidos de AllowedHosts y filtran encabezados de Earthdata (User-Id, Echo-Token) a puntos finales controlados por el atacante. -
CVE Modified by 134c704f-9b21-4f2e-91b3-4a467353bcc0
Aug. 10, 2026
Action Type Old Value New Value Added CVSS V3.1 AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:N Added CWE CWE-918 Added CWE CWE-201 Added SSVC {'id': 'CVE-2026-16637', 'role': 'CISA Coordinator', 'options': [{'exploitation': 'none'}, {'automatable': 'no'}, {'technicalImpact': 'partial'}], 'version': '2.0.3', 'timestamp': '2026-08-10T11:56:57.523780Z'} -
New CVE Received by [email protected]
Aug. 07, 2026
Action Type Old Value New Value Added Affected [{'vendor': 'OPeNDAP Inc.', 'product': 'hyrax-docker', 'versions': [{'status': 'affected', 'version': '1.18.0'}]}] Added Description 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. Added Reference https://github.com/OPENDAP/hyrax-docker Added Reference https://www.opendap.org/official-hyrax-1-18-release/ -
CVE Modified by af854a3a-2127-422b-91ae-364da2661108
Aug. 07, 2026
Action Type Old Value New Value Added Reference https://www.kb.cert.org/vuls/id/305509