{"items":[{"id":"NVI-00015757","kind":"supply_chain_event","title":"Malicious code in layer2-sdk (npm)","revision":1,"unknowns":["Customer inventory, deployment, reachability and exploitation have not been inspected."],"lifecycle":"active","identifiers":["GHSA-wvvm-5h3m-prf6"],"plain_summary":"GitHub lists this malware advisory for layer2-sdk, layer2-sdk. Published version ranges and source prerequisites are shown below; this is not an inspection of a visitor’s application.","review_status":"source_listed","control_topics":[],"public_actions":[{"summary":"Identify the exact component and deployed version, examine the linked publisher’s conditions, and retain evidence of any mitigation.","source_ids":["sr-27d5545a222c2ac570915ff112ea1047"],"action_type":"investigate","limitations":"Confirm current vendor support, compatibility and deployment evidence. This report has not tested a fix in your system.","current_supported_target":null}],"schema_version":"1.1.0","source_metrics":[],"why_it_matters":"Published affected context helps an owner decide what evidence to gather. This report has not examined your application.","related_sources":[{"id":"sr-27d5545a222c2ac570915ff112ea1047","url":"https://github.com/advisories/GHSA-wvvm-5h3m-prf6","basis":"vendor_advisory","notes":"GitHub Advisory Database; CC-BY-4.0. Each advisory links its original attribution. Null normalizes fields.","title":"GHSA-wvvm-5h3m-prf6","publisher":"GitHub Advisory Database","observed_at":"2026-11-01T22:54:41.584Z"}],"affected_context":[{"certainty":"source_listed","source_ids":["sr-27d5545a222c2ac570915ff112ea1047"],"technology":"layer2-sdk","known_exclusions":[],"conditions_summary":"## Source: amazon-inspector (1bd6521302fb3f49a8c444435a33834be40a420972df3a03cadb5fdb3176a68f)\nindex.js line 75 decodes a base64-encoded string via Buffer.from(..., 'base64').toString('utf8') and passes the result to an evaluator, executing hidden code when the module is loaded. The obfuscated-and-exec'd blob pattern in a package presenting itself as a generic SDK is consistent with a supply-chain dropper: the actual behavior is concealed from casual inspection of the source and runs as a side effect of require()'ing the package. The package name suggests a blockchain/Layer-2 SDK, but the shipped code's only notable operation is decoding and executing an opaque payload.\n\n---\n\nCredit: OpenSSF (source)","public_affected_ranges":["= 1.0.0"]},{"certainty":"source_listed","source_ids":["sr-27d5545a222c2ac570915ff112ea1047"],"technology":"layer2-sdk","known_exclusions":[],"conditions_summary":"## Source: amazon-inspector (1bd6521302fb3f49a8c444435a33834be40a420972df3a03cadb5fdb3176a68f)\nindex.js line 75 decodes a base64-encoded string via Buffer.from(..., 'base64').toString('utf8') and passes the result to an evaluator, executing hidden code when the module is loaded. The obfuscated-and-exec'd blob pattern in a package presenting itself as a generic SDK is consistent with a supply-chain dropper: the actual behavior is concealed from casual inspection of the source and runs as a side effect of require()'ing the package. The package name suggests a blockchain/Layer-2 SDK, but the shipped code's only notable operation is decoding and executing an opaque payload.\n\n---\n\nCredit: OpenSSF (source)","public_affected_ranges":["= 1.0.1"]}],"null_published_at":"2026-11-04T02:53:08.390Z","source_updated_at":"2026-09-17T20:40:17.000Z","source_disclosed_at":"2026-08-19T09:31:30.000Z","is_synthetic_fixture":false,"null_last_reviewed_at":null,"public_change_summary":"First indexed by Null; source disclosure date is shown separately.","null_first_observed_at":"2026-11-01T22:54:41.584Z"}],"next_cursor":null,"snapshot_revision":"42594"}