solc_0.5.3 (npm) · Malicious Code
Affects solc_0.5.3Source GCVE Database
Malicious package : remove solc_0.5.3 and rotate any secrets on hosts that installed it.
Data as of 30 Oct 2026, 00:03 UTC
Malicious package
Published to npm · OSV MAL-2025-49317
What to do
Remove solc_0.5.3 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 |
|---|---|---|
| npmsolc_0.5.3 | Affected
| Fixed in– |
Check your own hosts for these packages with threat-finder (opens in a new tab), our free open-source scanner.
Description
The npm package solc_0.5.3 versions 5.0.8 and 5.0.9 have been identified as containing malicious code. This malicious behavior involves the execution of commands associated with harmful activities. The package is flagged by multiple sources including Amazon Inspector and the OpenSSF Package Analysis project. There is no CVSS score or detailed impact description available.