Mission
This challenge contains a standard language interpreter with an unusual file attribute set on it. A user who understands that attribute can cause the interpreter to run with elevated privileges. To solve the challenge, read /flag.
Starting toolkit (you may need more)
getcappython3perlnodeWhy this matters in 2026
Linux capabilities were introduced to replace the all-or-nothing SUID model with fine-grained privileges. In practice most administrators do not audit them, and a single misplaced attribute grants full root via a one-line script.
Mitigation era: 2026-04 · rotation policy: levels may be refreshed as CVEs are patched out of distro defaults.
How to reach this level
Use the password for phantom6 that you captured on the previous level, then:
ssh phantom6@phantom.breachlab.org -p 2223
SSH endpoint is being provisioned. Follow @BreachLab for launch announcement.
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