PT-2026-115177 · Ethereum · Web3.Py
CVSS v3.1
5.4
Medium
| Vector | AV:N/AC:H/PR:N/UI:N/S:C/C:L/I:L/A:N |
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 with IPv4-mapped IPv6 hosts or AAAA records, making clients with CCIP Read enabled send requests to loopback, private, or link-local services.
Exploit
Fix
SSRF
Found an issue in the description? Have something to add? Feel free to write us 👾
Weakness Enumeration
Related Identifiers
Affected Products
Web3.Py