Claude Code, Skill
Copilot Codeact Plugin
Collapse multi-step tool chains into a single sandboxed Python execution.
Compatibility: Not stated.
Grade C
One Medium finding. Read the findings before installing.
Not a guarantee. A hygiene check of the source at the commit shown, not a security audit.
NETWORK_HOST_FROM_INPUT
Why this grade
- NETWORK_HOST_FROM_INPUT Medium
A file takes a URL or endpoint as input and has no fixed host list.
plugins/codeact/scripts/mcp-bridge.py, line 109
with urllib.request.urlopen(req, timeout=timeout) as resp:
Any High, or two or more Medium findings, give D. One Medium gives C. Low findings or a security Note give B. Each code names a finding behind the letter.
Grades are a hygiene check of the source at the commit shown, on the date checked, not a security audit or a guarantee. The free directory grades are automated. Before release, a PlugVet engineer reviews every paid report and any grade we hold back, including all F grades, against the source code and the evidence we quote.
What was checked
Plain notes from the hygiene checks.
Permissions
Note
requests shell access. The manifest names this permission.
PERMISSION_SHELL_DECLARED
plugins/codeact/scripts/mcp-bridge.py, line 156
proc = subprocess.run(
plugins/codeact/scripts/mcp-bridge.py, line 208
proc = subprocess.run(
plugins/codeact/skills/hyperlight-codeact/scripts/codeact.py, line 428
r = subprocess.run(command, shell=True, capture_output=True, text=True,
Show more
plugins/codeact/skills/hyperlight-codeact/scripts/codeact.py, line 457
r = subprocess.run(cmd, capture_output=True, text=True, timeout=30)
plugins/codeact/skills/hyperlight-codeact/scripts/codeact.py, line 472
r = subprocess.run(cmd, capture_output=True, text=True, timeout=35)
plugins/codeact/skills/hyperlight-codeact/scripts/codeact.py, line 520
r = subprocess.run(cmd, input=body, capture_output=True,
plugins/codeact/skills/hyperlight-codeact/scripts/codeact.py, line 523
r = subprocess.run(cmd, capture_output=True, text=True, timeout=30)
plugins/codeact/skills/hyperlight-codeact/scripts/codeact.py, line 599
r = subprocess.run(cmd, shell=True, capture_output=True, text=True,
Install and update
Note
The docs document an installer that pipes a download into a shell.
INSTALL_DOCUMENTED_INSTALLER
plugins/codeact/skills/hyperlight-codeact/scripts/codeact.py, line 688
["bash", "-c", "curl -LsSf https://astral.sh/uv/install.sh | sh"],
plugins/codeact/skills/monty-codeact/scripts/codeact.py, line 689
["bash", "-c", "curl -LsSf https://astral.sh/uv/install.sh | sh"],
Network
Serious
accepts a host from input, with no fixed list in this file.
NETWORK_HOST_FROM_INPUT
plugins/codeact/scripts/mcp-bridge.py, line 109
with urllib.request.urlopen(req, timeout=timeout) as resp:
plugins/codeact/scripts/mcp-bridge.py, line 245
with urllib.request.urlopen(req, timeout=timeout) as resp:
plugins/codeact/skills/hyperlight-codeact/scripts/codeact.py, line 177
"description": "URL to fetch (http/https only)."},
Show more
docs/review/2026-04-26-review.md, line 18
| 3 | Critical | `monty-codeact/codeact.py:424`, `hyperlight-codeact/codeact.py:455` | **SSRF via web_fetch.** `_web_fetch` passes URLs to curl without scheme validation. Allows `f
Secrets
Pass
No read of a credential file or secret environment variable found.
Agent instructions
Pass
No instruction to ignore earlier instructions or to hide a step.
Obfuscation
Pass
No encoded or minified payload found.
Licence
Note
no licence file found.
LICENCE_MISSING
No file path was stored.
no licence file found.
Maintainer activity
Pass
The latest commit is within the last 365 days.
Note
Hygiene check of commit 8294618df9b9. requests shell access. The manifest names this permission. The docs document an installer that pipes a download into a shell. accepts a host from input, with no fixed list in this file. no licence file found.
Date and source
Date checked:
github.com
Commit graded: 8294618df9b918607fe1f2d72d390f4d37823435
This link goes to the original host. PlugVet does not host or check what you download from there, and installing it is your own decision and risk.