1 high-severity finding.

This skill reads protected filesystem locations plus 3 other issues listed below.

0 critical1 high3 medium8 rules passed

Why grade B?

score · 75 / 100

The current grade reflects 1 high-severity finding (any HIGH → B).

0 CRIT1 HIGH3 MED0 LOW

To reach a higher grade

A
Reach Atarget score 95
Resolve all 1 HIGH + 1 of 3 MED (cap is 2).

Thresholds are documented at /docs/grading. Source-of-truth is the grade() function in @skillox/scanner.

Findings · ordered by severity

high

Sensitive filesystem path referenced

The skill references a path (`\/etc\/shadow`) that contains credentials or system secrets. Reading this from an unsandboxed skill is a credential-exfiltration vector.

rule: filesystem-overreachline: 181CWE-552

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179# If can see host filesystem via /proc/1/root:

180ls -la /proc/1/root/ # host root filesystem

181cat /proc/1/root/etc/shadow # read host files← sensitive path — credential-exfiltration vector

182

183# If can mount:

med

Arbitrary subprocess execution detected

The skill spawns subprocesses. Without a capability manifest declaring this, the skill could execute arbitrary commands.

rule: subprocess-executionline: 52CWE-78

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50| chr construction | `eval(chr(95)+chr(95)+'import'+chr(95)+chr(95))` |

51| Pickle escape | `pickle.loads(b"cos\nsystem\n(S'sh'\ntR.")` |

52| Code object | Construct `types.CodeType(...)` then `exec()` with custom bytecode |← spawns a subprocess outside declared capabilities

54---

med

Arbitrary subprocess execution detected

The skill spawns subprocesses. Without a capability manifest declaring this, the skill could execute arbitrary commands.

rule: subprocess-executionline: 198CWE-78

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196| awk | `awk 'BEGIN {system("/bin/bash")}'` |

197| find | `find / -exec /bin/bash \;` |

198| python/perl/ruby | `python -c 'import pty;pty.spawn("/bin/bash")'` |← spawns a subprocess outside declared capabilities

199| ssh | `ssh user@host -t /bin/bash` |

200| Environment | `export PATH=/usr/bin:/bin; /bin/bash` |

med

No capability manifest declared

The skill ships without a `manifest.yaml` or `capabilities` block in its frontmatter. Without a manifest, the runtime cannot enforce what this skill is permitted to do.

rule: no-manifest

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skillox.io/r/crawl-q2cfylrdtfh5ngpmagsxvnme