Mapbox Secret Token Exposed
A Mapbox SECRET token (sk.) is in your client-side code.
Why it matters
A Mapbox SECRET token (sk.) is in your client-side code. Unlike the public pk. token that belongs in a browser, secret tokens can manage your account — including creating and deleting other tokens — and all usage is billed to you. Map API usage is metered, so abuse turns directly into cost.
How ShipReady detects it
Detects credentials that reached the browser. Scans the page HTML and every linked JavaScript bundle for the literal shapes real provider keys take — `sk_live_`, `AKIA`, `ghp_`, a JWT with a service_role claim — rather than guessing from entropy. High-entropy string detection finds build hashes, CSS class names and base64 images on almost every site; provider prefixes are unambiguous, which is why this check reports only what it can name. A match is evidence, not inference: the value was served to anyone who loaded the page. Evidence records the variable NAME and a ten-character prefix, never the key, because a report that quoted the secret would republish it. Bundles are fetched once per scan and shared across pages, so a key present in a chunk loaded on ten routes is reported once.
Detection is deterministic. ShipReady reports this only when it observes the condition directly, and prefers to miss a real problem over inventing one. Rule version 1.4.0.
How to fix it
This is the prompt ShipReady puts in your report — written to be pasted straight into Cursor, Claude Code, or whichever assistant built the app.
Delete this secret token at account.mapbox.com -> Access tokens. Secret (sk.) tokens must never be sent to a browser — use a public pk. token in frontend code instead, and restrict it to your domains with a URL restriction so it cannot be used elsewhere. Keep any sk. token on your server, and review your account's usage for unexpected billing.
Frequently asked questions
- What does "Mapbox Secret Token Exposed" mean?
- A Mapbox SECRET token (sk.) is in your client-side code.
- How serious is it?
- ShipReady rates this high. Fix before launch. A real weakness that an attacker can act on.
- How do I fix it?
- Paste the fix prompt on this page into Cursor, Claude Code or your AI editor. It is the same prompt ShipReady puts in your report.
- Can I check my own site?
- Yes — ShipReady scans up to ten pages of any public site for free and reports this alongside every other check.
Related checks
Does your site have this?
ShipReady checks this and 73 other things across up to ten pages of your site. Free, no signup.
Scan my site