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Product · ethereum

web3.py

2 known vulnerabilities.

web3.py at a glance

Last 12 months
2
Critical · all time
0
Exploited · all time
0
Public exploit · all time
1
New vulnerabilities per month · last 12 months
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Most common weaknesses

All Critical High Medium Low Exploited only Public exploit

2 results · Feed

  • Medium 5.4
    CVE-2026-111171

    Web3.py 7.15.0 through 7.16.0 and 8.0.0b2 through 8.0.0 CCIP-Read SSRF Bypass

    Web3.py 7.15.0 through 7.16.0 and 8.0.0b2 through 8.0.0 contains a server-side request forgery vulnerability because _check_ip_blocked() does not unwrap IPv4-mapped IPv6 addresses in CCIP Read URL validation. Malicious contracts can return OffchainLookup URLs…

    ethereum web3.py web3 PyPI
  • Low 1.7
    CVE-2026-40072 Public exploit

    web3.py affected by SSRF via CCIP Read (EIP-3668) OffchainLookup URL handling

    web3.py allows you to interact with the Ethereum blockchain using Python. From 6.0.0b3 to before 7.15.0 and 8.0.0b2, web3.py implements CCIP Read / OffchainLookup (EIP-3668) by performing HTTP requests to URLs supplied by smart contracts in offchain_lookup_pa…

    ethereum web3.py