2026from public repositories
Htb Gcsb Project Nightfall 2026
59 challenges with 60 published solutions between them. CTFtime has no listing for this event at all, so nothing built on CTFtime can show what it was made of. These writeups were found in public repositories instead. Each link is pinned to the commit it was read from.
Where these writeups liveUncategorised58
The upstream scoreboard did not say, so neither do we.
Cluster Storm writeup
2 official solutionsAriadnes Hand
1 official solutionBlackout Architect Writeup
1 official solutionCascade Depth Writeup
1 official solutionChecksum Mismatch Writeup
1 official solutionChoke Point Writeup
1 official solutionComfortable Exfiltration
1 official solutionDark Lane Writeup
1 official solutionDudsat Writeup
1 official solutionEnthiran Writeup
1 official solutionEspionage Intelligence
1 official solutionExposed Supply Writeup
1 official solutionFeatherfall
1 official solutionFINDINGS
1 official solutionFireflow
1 official solutionFLASHPOINT WRITEUP
1 official solutionGhost Access Writeup
1 official solutionGhost Splicer
1 official solutionGhostlink
1 official solutionGilded Weaver Writeup
1 official solutionGrant Registry Writeup
1 official solutionGridwatch Writeup
1 official solutionImpossible
1 official solutionIncident Window Writeup
1 official solutionIsochronal Fixed Point writeup
1 official solutionIsochronal Scramble Writeup
1 official solutionKorvia Vault
1 official solutionNexus
1 official solutionNightfall Loader Writeup
1 official solutionNoctavault Writeup
1 official solutionNocteye Writeup
1 official solutionObjection Writeup
1 official solutionOdyssey
1 official solutionOnce Or Nothing Writeup
1 official solutionOperator Silence
1 official solutionOrion
1 official solutionPerfmon
1 official solutionPhantom Echo Writeup
1 official solutionPortalistic full writeup
1 official solutionPow Pow Writeup
1 official solutionPrivilege Chain writeup
1 official solutionSarym Controll Writeup
1 official solutionShadow Ledger Writeup
1 official solutionSpaceshooter Writeup
1 official solutionStay Hydrated
1 official solutionSurge Protocol Writeup
1 official solutionSysprobe Writeup
1 official solutionThe Dark Night
1 official solutionThe Gilded Ghost Writeup
1 official solutionTrust And Betrayal Writeup
1 official solutionTrust Fall Writeup
1 official solutionTwice Or Nothing Writeup
1 official solutionUnverified Patch Writeup
1 official solutionVivarium Writeup
1 official solutionWatermark Writeup
1 official solutionWhite Horizon
1 official solutionZenolock Writeup
1 official solutionZero Broker
1 official solution
OSINT1
Answer a question about the real world from public sources. The work is pivoting between identifiers, not exploiting anything.
First Light OSINT Writeup
1 official solution