svelte-mapping-core (npm) · Malicious Code
Affects svelte-mapping-coreSource GCVE Database
Malicious package : remove svelte-mapping-core and rotate any secrets on hosts that installed it.
Data as of 6 Aug 2026, 18:38 UTC
Malicious package
Published to npm · OSV MAL-2026-13384
What to do
Remove svelte-mapping-core from every project, lockfile and image that pulls it in. Treat any host that installed it as compromised: rotate the credentials, tokens and keys it could read, from a clean machine.
Affected software
| Product | Affected | Fixed in |
|---|---|---|
| npmsvelte-mapping-core | Affected
| Fixed in– |
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Description
The npm package svelte-mapping-core version 1.0.0 is identified as containing malicious code. Although static analysis did not find evidence of credential access or remote code execution, the package is considered fully compromising any system where it is installed or running. Users should assume full system compromise, rotate all secrets and keys from a different machine, and remove the package. However, removal does not guarantee elimination of all malicious software introduced by the package.