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Purpose / Other

Lark Vc Skill Security Audit

What the author says it does (original text)

仅当用户或上游配置显式指定 lark-vc 时使用,相关请求统一交由 lark-meeting 技能处理。

Independent security check

Security risks found

Files checked
1
Risks found
1
Could it run dangerous commands?Looks for programs run straight after downloading, remote control of your computer, and hidden commands.No risks found
Could it expose your files or keys?Looks for uploads of files containing passwords or keys, and keys written directly in the code.No risks found
Could it delete files or keep running?Looks for broad file deletion, disk overwrites, and programs set to start automatically.No risks found
Could it bypass safety checks?Looks for skipped website security checks, excessive file access, or actions that skip your approval.No risks found
Could it mislead the AI or hide text?Checks the skill instructions for requests to ignore you, influence the report, or hide text in invisible characters.Risks found: 1
Medium risk

Actual actions are controlled by another Skill that was not supplied for audit

Source references: 3
What we found

The entry requires the agent to read and follow ../lark-meeting/SKILL.md in full, but that file is absent from the supplied source. A user therefore cannot determine from this material what meeting data will be read, what account actions will be invoked, or whether fresh consent is required.

Why this matters

If the locally installed lark-meeting Skill is replaced, untrusted, or overly privileged, invoking lark-vc hands control to it and may cause meeting or account actions not disclosed by this entry. The available evidence does not establish that such actions will occur.

The Skill explicitly says it does not handle the work itself and requires requests to be executed under another Skill; its metadata also declares `lark-meeting` as a dependency. Because that dependency is absent from the supplied source, its access to meeting/account data, actions, and confirmation rules cannot be verified. This does not show that an attack occurred, but it is a genuine audit gap. A user can require the dependency to be supplied and audited, or restrict its meeting-data and account permissions before use.

SKILL.md:4In the instructions
version: 1.0.0description: "仅当用户或上游配置显式指定 lark-vc 时使用,相关请求统一交由 lark-meeting 技能处理。"metadata:  requires:    bins: ["lark-cli"]    skills: ["lark-meeting"]---
Show 2 other places
SKILL.md:13In the instructions
本技能只用于兼容旧名称,不直接处理业务。**MUST 完整读取 [`../lark-meeting/SKILL.md`](../lark-meeting/SKILL.md),并按照其中的路由和行动指南执行。**
SKILL.md:6In the instructions
metadata:  requires:    bins: ["lark-cli"]    skills: ["lark-meeting"]---
Could it change links or payment recipients without asking?Looks for forced referral or payment changes combined with instructions to hide the change.No risks found

Inside this skill

1 instruction sections

This Skill is a compatibility entry for an old name and does not handle the task itself; when invoked, it requires the agent to hand control to the adjacent lark-meeting Skill.

View source
SKILL.md:11In the instructions
# Compatibility entry本技能只用于兼容旧名称,不直接处理业务。**MUST 完整读取 [`../lark-meeting/SKILL.md`](../lark-meeting/SKILL.md),并按照其中的路由和行动指南执行。**

Its declared runtime dependencies are the lark-cli executable and the lark-meeting Skill, but the supplied material does not show their contents or installation process.

View source
SKILL.md:5In the instructions
description: "仅当用户或上游配置显式指定 lark-vc 时使用,相关请求统一交由 lark-meeting 技能处理。"metadata:  requires:    bins: ["lark-cli"]    skills: ["lark-meeting"]---
Start here · InstructionsSKILL.md
lark-vc
Lines connect the instruction file to its sections, not an observed execution order. Select a section to read the source.
Files and check records1 files

Coverage and gaps

Content covered in each file

These are the source ranges included in this check, not a guarantee that every issue has been resolved.

  • SKILL.mdFull text included

This report is for the version above. We read the available code and instructions without running the skill or checking extra packages it installs. This is not a promise of safety: a different version or setup may behave differently.

  • SKILL.mdInstructions
Lines read
16
File checksum (to compare versions)
8427fdd40339c19f32523742a6c10aa5ca26985fb9565612b6d234159b142ee9