1 high-severity finding.

This skill reads protected filesystem locations plus 1 other issue listed below.

0 critical1 high1 medium10 rules passed

Why grade B?

score · 75 / 100

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

0 CRIT1 HIGH1 MED0 LOW

To reach a higher grade

A
Reach Atarget score 95
Resolve all 1 HIGH.

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\/passwd`) that contains credentials or system secrets. Reading this from an unsandboxed skill is a credential-exfiltration vector.

rule: filesystem-overreachline: 50CWE-552

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48| 影响内核 | CVE-2026-43284: cac2661c53f3 (2017) 至今; CVE-2026-43500: 2dc334f1a63a (2023-06) 至今 |

49| 漏洞模块 | `esp4`/`esp6`（IPsec ESP）+ `rxrpc`（AFS 远程调用） |

50| 攻击原理 | 通过 splice() 零拷贝路径将页缓存页注入 sk_buff frag，内核就地解密时直接覆写共享页缓存，可修改 /etc/passwd 或 setuid 二进制文件 |← sensitive path — credential-exfiltration vector

51| PoC 状态 | 已公开 |

52| 利用条件 | CVE-2026-43284 需用户命名空间权限; CVE-2026-43500 仅需普通用户权限 |

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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