CVE-2026-123664 nasa-gcn gcn.nasa.gov Email Notification email improper authorization
- Exploited in the wild
- Not known
- Fix
- None listed
What is CVE-2026-123664?
CVE-2026-123664 is a medium-severity vulnerability in nasa-gcn gcn.nasa.gov, published on 6 Nov 2026.
Official description
A security flaw has been discovered in nasa-gcn gcn.nasa.gov up to b299b562af665878964b981a459f0a9c04b11adf. This issue affects some unknown processing of the file /user/email of the component Email Notification Handler. Performing a manipulation of the argument Recipient results in improper authorization. The attack is possible to be carried out remotely. The exploit has been released to the public and may be used for attacks. This product adopts a rolling release strategy to maintain continuous delivery. Therefore, version details for affected or updated releases cannot be specified. The pull request to fix this issue awaits acceptance.
Which versions are affected by CVE-2026-123664?
How do I fix CVE-2026-123664?
No fix has been published for CVE-2026-123664 yet. Limit exposure of the affected software until one is available.
Is CVE-2026-123664 being exploited?
It is not confirmed as exploited in the wild, but public exploit code for CVE-2026-123664 exists.
Sources
Also known as GHSA-r6mw-j6c7-mgp2.