diff --git a/jailbreak/Dockerfile b/jailbreak/Dockerfile
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--- /dev/null
+++ b/jailbreak/Dockerfile
@@ -0,0 +1,27 @@
+FROM --platform=linux/amd64 ubuntu@sha256:86ac87f73641c920fb42cc9612d4fb57b5626b56ea2a19b894d0673fd5b4f2e9 AS build
+
+RUN apt-get update -y && apt-get install -y gcc && apt-get install -y wget && apt-get install -y unzip && rm -rf /var/lib/apt/lists/*
+
+RUN wget -Oynetd.c https://raw.githubusercontent.com/johnsonjh/ynetd/master/ynetd.c \
+  && gcc -o ynetd ynetd.c \
+  && rm -f /tmp/ynetd.zip
+
+
+FROM --platform=linux/amd64 python:3.8-slim-buster AS deployer
+
+RUN useradd -m -d /home/ctf -u 12345 ctf
+WORKDIR /home/ctf
+
+# copy over ynetd
+COPY --from=build ynetd ynetd 
+RUN chmod +x ynetd
+
+# copy over source and set permissions
+COPY . .
+RUN chown -R root:root /home/ctf
+
+
+# run and expose
+USER ctf
+EXPOSE 9999
+CMD ["./ynetd", "-p", "9999", "python3 main.py"]
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diff --git a/jailbreak/chall.yaml b/jailbreak/chall.yaml
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+++ b/jailbreak/chall.yaml
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+name: JailBreak
+categories:
+  - misc
+value: 75
+flag:
+  file: ./flag.txt
+description: |-
+  After a recent prison escape due to hidden messages in letters, the facility has tightened security. Can you find a way around these new measures?
+hints:
+  - How can you gain access to all global variables in python?
+files:
+  - src: ./main.py
+authors:
+  - Jack Crowley
+visible: true
+deploy:
+  nc:
+    build: .
+    expose: 3000/tcp
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diff --git a/jailbreak/flag.txt b/jailbreak/flag.txt
new file mode 100644
index 0000000..54a3304
--- /dev/null
+++ b/jailbreak/flag.txt
@@ -0,0 +1 @@
+camp{PYth0n_M4steR_M2!f45}
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diff --git a/jailbreak/main.py b/jailbreak/main.py
new file mode 100644
index 0000000..c47bd27
--- /dev/null
+++ b/jailbreak/main.py
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+def sanitize():
+    try:
+        return eval(msg)
+    except Exception:
+        return str(msg)
+
+try:
+    global hidden_flag
+    with open("flag.txt","r") as f:
+        hidden_flag = f.read()
+
+except Exception:
+    hidden_flag = "REDACTED"
+
+
+print("Welcome to the prison's mail center")
+msg = input("Please enter your message: ")
+
+print("Your message is:",end=' ')
+print(sanitize())
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diff --git a/jailbreak/solve.md b/jailbreak/solve.md
new file mode 100644
index 0000000..ee2ab60
--- /dev/null
+++ b/jailbreak/solve.md
@@ -0,0 +1,5 @@
+# JailBreak
+
+The `eval` function in python is very dangerous, especially with it evaluating an input given by the user. For instance, if you type evaluatate a string with the value of `randomVariable`, it will evaluatate to the value of a variable `randomVariable`. 
+
+This can be used to retrieve the flag, as when it asked for the user input, if you give it `hidden_flag`, it will print out contents of the `hidden_flag` variable, which in this case is the flag.
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