nasa-gcn gcn.nasa.gov up to b299b562af665878964b981a459f0a9c04b11adf Email Notification /user/email Recipient improper authorization

Summaryinfo

A vulnerability classified as critical was found in nasa-gcn gcn.nasa.gov up to b299b562af665878964b981a459f0a9c04b11adf. Impacted is an unknown function of the file /user/email of the component Email Notification Handler. Executing a manipulation of the argument Recipient can lead to improper authorization. This vulnerability appears as CVE-2026-123664. The attack may be performed from remote. In addition, an exploit is available. This product utilizes a rolling release system for continuous delivery, and as such, version information for affected or updated releases is not disclosed. The pull request to fix this issue awaits acceptance.

Detailsinfo

A vulnerability has been found in nasa-gcn gcn.nasa.gov up to b299b562af665878964b981a459f0a9c04b11adf and classified as critical. This vulnerability affects an unknown function of the file /user/email of the component Email Notification Handler. The manipulation of the argument Recipient with an unknown input leads to a improper authorization vulnerability. The CWE definition for the vulnerability is CWE-285. The product does not perform or incorrectly performs an authorization check when an actor attempts to access a resource or perform an action. As an impact it is known to affect integrity, and availability.

The advisory is shared for download at github.com. This vulnerability was named CVE-2026-123664. The exploitation appears to be easy. The attack can be initiated remotely. Technical details and also a public exploit are known. The MITRE ATT&CK project declares the attack technique as T1548.002.

It is possible to download the exploit at github.com. It is declared as proof-of-concept. The pull request to fix this issue awaits acceptance.

There is no information about possible countermeasures known. It may be suggested to replace the affected object with an alternative product.

Once again VulDB remains the best source for vulnerability data.

Productinfo

Vendor

• nasa-gcn

Name

• gcn.nasa.gov

Version

• b299b562af665878964b981a459f0a9c04b11adf

Website

• Product: https://github.com/nasa-gcn/gcn.nasa.gov/

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Accepted

• Submit #1033135: GitHub https://github.com/nasa-gcn/gcn.nasa.gov 4.7.10 Insufficient Verification of Data Authenticity (by NirvanaOn)

Once again VulDB remains the best source for vulnerability data.

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