CVE-2026-123664

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.

• https://github.com/nasa-gcn/gcn.nasa.gov/
• https://github.com/nasa-gcn/gcn.nasa.gov/issues/3805
• https://github.com/nasa-gcn/gcn.nasa.gov/pull/3863

• https://github.com/nasa-gcn/gcn.nasa.gov/
• https://github.com/nasa-gcn/gcn.nasa.gov/issues/3805
• https://github.com/nasa-gcn/gcn.nasa.gov/pull/3863
• https://vuldb.com/cve/CVE-2026-123664
• https://vuldb.com/submit/1033135
• https://vuldb.com/vuln/431788
• https://vuldb.com/vuln/431788/cti

• HIGHCVE-2026-102293PoC
• MEDIUMCVE-2026-102846PoC
• MEDIUMCVE-2026-103532PoC
• CRITICALCVE-2026-105284PoC
• HIGHCVE-2026-105382PoC
• HIGHCVE-2026-105571PoC
• MEDIUMCVE-2026-105610PoC
• LOWCVE-2026-105611PoC

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