Write Ups

Boxes, labs, research & notes.

hackthebox / easy / linux

Management

OpenAM command injection, GLPI LDAP credential recovery, rdiff-backup path restriction bypass.

Completed 13-09-2026
hackthebox / medium / linux

Fireflow

Langflow unauthenticated RCE, MCP JWT alg=none, Kubernetes nodes/proxy, privileged pod host access.

Completed 28-08-2026
hackthebox / medium / windows

DanglingTree

WAC REST API RCE, SmarterMail password reset, DPAPI credential theft, ghost AD CS template ESC1.

Completed 14-08-2026
hackthebox / easy / linux

Cohort

SSRF localhost bypass, internal port scan, status endpoint vhost leak, marimo RCE, Pack2Root.

Completed 03-08-2026
hackthebox / hard / windows

DarkZeroReturns

Handlebars SSTI RCE, ligolo-ng pivot, SSPI Gitea, runner hijack, ksu root, cross-realm DCSync.

Completed 01-08-2026
hackthebox / medium / linux

Bedside

pdfminer.six pickle RCE, internal Vite LFI, leaked SSH key, torch.load checkpoint deserialization.

Completed 21-07-2026
hackthebox / easy / linux

Paperwork

LPD printer shell injection, PJL path traversal, SSH key drop, SCM_RIGHTS fd leak from root daemon.

Completed 16-07-2026
hackthebox / easy / linux

Orion

Craft CMS preauth RCE, env leak, DB hash crack, loopback telnetd 2.7 login bypass.

Completed 11-07-2026
hackthebox / easy / linux

Nexus

Leaked .env creds, Krayin CRM RCE, DB password reuse, gitea template-sync path traversal, root SSH key.

Completed 09-07-2026
hackthebox / medium / linux

MakeSense

Stored XSS session hijack, WP theme editor RCE, credential reuse, internal OCR service arbitrary file write.

Completed 07-07-2026
hackthebox / easy / linux

Enigma

NFS share mining, mail credential reuse, web app RCE, database hash cracking, command injection into web actions.

Completed 29-06-2026
hackthebox / hard / linux

Nimbus

SSRF & IP obfuscation, AWS misconfiguration, unsafe YAML deserialization, container & kernel escape.

Completed 27-06-2026
hackthebox / medium / windows

Checkpoint

AD DACL abuse, deleted object restoration, malicious VSIX extension, Kerberos DMSA impersonation, memory forensics.

Completed 17-06-2026
hackthebox / medium / linux

Abducted

SMB & print subsystem exploitation, credential decryption, share misconfiguration, polkit abuse.

Completed 13-06-2026
hackthebox / easy / linux

Reactor

Application exploitation, credential cracking, local port forwarding, debug protocol RCE.

Completed 25-05-2026