Bug bounty program
CH
Chainlink
Most upvoted reports2
| Report | Weakness | Disclosed | Bounty | Votes |
|---|---|---|---|---|
| No Valid SPF Records.#629087 | Authentication | 2019-07-18 | – | 52 |
| Testnet address being sent in cleartext as http://rinkeby.chain.link/ is missing SSL certificate#576288 | Cryptography | 2019-07-17 | – | 19 |
Subdomains420
| Name | Scope | First seen |
|---|---|---|
| ace.api.chain.linkapi | Not in the scope | 2026-11-14 |
| api.cre.chain.linkapi | Not in the scope | 2026-11-14 |
| fms-rpc.chain.linkapi | Not in the scope | 2026-11-14 |
| api.ccip.chain.linkapi | Not in the scope | 2026-11-14 |
| gql.graph.chain.linkapi | Not in the scope | 2026-11-14 |
| markets.api.chain.linkapi | Not in the scope | 2026-11-14 |
| api.dataengine.chain.linkapi | Not in the scope | 2026-11-14 |
| fast-stake-api.chain.linkapi | Not in the scope | 2026-11-14 |
| cre-connect.api.chain.linkapi | Not in the scope | 2026-11-14 |
| api.testnet-dataengine.chain.linkapi | Not in the scope | 2026-11-14 |
| grpc.staging.telemetry.chain.linkapi, staging | Not in the scope | 2026-11-14 |
| api.data-streams-portal.chain.linkapi | Not in the scope | 2026-11-14 |
| api.smartcontract.comapi | In scope | 2026-11-14 |
| ct-api.smartcontract.comapi | In scope | 2026-11-14 |
| api.retool.prod.da.smartcontract.comapi | In scope | 2026-11-14 |
| cpdpo-api.datatools.dev.da.smartcontract.comapi, dev | In scope | 2026-11-14 |
| cpdpo-api.datatools.prod.da.smartcontract.comapi | In scope | 2026-11-14 |
| master-data-api.datatools.dev.da.smartcontract.comapi, dev | In scope | 2026-11-14 |
| chip-ingress-api.datatools.dev.da.smartcontract.comapi, dev | In scope | 2026-11-14 |
| master-data-api.datatools.prod.da.smartcontract.comapi | In scope | 2026-11-14 |
| cpdpo-api-internal.datatools.dev.da.smartcontract.comapi, dev, internal | In scope | 2026-11-14 |
| cpdpo-api-internal.datatools.prod.da.smartcontract.comapi, internal | In scope | 2026-11-14 |
| retool-api-internal.datatools.dev.da.smartcontract.comapi, dev, internal | In scope | 2026-11-14 |
| retool-api-internal.datatools.prod.da.smartcontract.comapi, internal | In scope | 2026-11-14 |
| master-data-api-internal.datatools.dev.da.smartcontract.comapi, dev, internal | In scope | 2026-11-14 |
| blockchain-dictionary-api.datatools.dev.da.smartcontract.comapi, dev | In scope | 2026-11-14 |
| master-data-api-internal.datatools.prod.da.smartcontract.comapi, internal | In scope | 2026-11-14 |
192 names are covered by the program's own scope; 0 were first seen this week. Names come from ProjectDiscovery's public Chaos dataset (passive sources: certificate logs, DNS and other public data), matched to the program by its listing and its own domain scope. A name being in a dataset is not permission to test it: only what the program's own scope says is in scope, and its policy decides. CyberSIXT does not resolve, probe or scan these names. Tags come from the name alone. Source: ProjectDiscovery Chaos. Subdomains on the Atlas, or search the subdomains of every program.
A name in a dataset is not permission to test it: the program's own scope and rules decide. Data as of 2026-11-15.