durable-objects

github.com/cloudflare/skills
Verdict: Generally safe
0 critical0 high3 medium
B
SCORE 75 / 100
$skillox install durable-objectsSoon
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Why grade B?

score · 75 / 100

The current grade reflects 3 medium findings (3+ MEDs → B).

0 CRIT0 HIGH3 MED0 LOW
To reach a higher grade
  • A
    Reach Atarget score 95

    Resolve 1 of 3 MED (cap is 2).

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

Latest scan findings

Scan crawl-fmtahx6padkt5czplr37b3rg · Thu, 28 May 2026 16:55:55 GMT · 1ms

med
Arbitrary subprocess execution detected
The skill spawns subprocesses. Without a capability manifest declaring this, the skill could execute arbitrary commands.
rule: subprocess-executionline: 85CWE-78
▾
83 super(ctx, env);
84 ctx.blockConcurrencyWhile(async () => {
85 this.ctx.storage.sql.exec(`← spawns a subprocess outside declared capabilities
86 CREATE TABLE IF NOT EXISTS items (
87 id INTEGER PRIMARY KEY AUTOINCREMENT,
med
Arbitrary subprocess execution detected
The skill spawns subprocesses. Without a capability manifest declaring this, the skill could execute arbitrary commands.
rule: subprocess-executionline: 149CWE-78
▾
147```typescript
148// SQL (synchronous, recommended)
149this.ctx.storage.sql.exec("INSERT INTO t (c) VALUES (?)", value);← spawns a subprocess outside declared capabilities
150const rows = this.ctx.storage.sql.exec<Row>("SELECT * FROM t").toArray();
151
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
▾
View latest scan →
skillox.io/c/durable-objects