{"id":"PYSEC-2026-806","summary":"Regular expression denial of service in eth-account","details":"An exponential ReDoS (Regular Expression Denial of Service) can be triggered in the eth-account PyPI package, when an attacker is able to supply arbitrary input to the encode_structured_data method","aliases":["CVE-2022-1930","GHSA-v65g-f3cj-fjp4"],"modified":"2026-07-07T11:45:45.530149241Z","published":"2026-07-06T08:03:32.122936Z","references":[{"type":"ADVISORY","url":"https://nvd.nist.gov/vuln/detail/CVE-2022-1930"},{"type":"WEB","url":"https://github.com/ethereum/eth-account/commit/70f89be700df0d5f08ef696252c88741f8414060"},{"type":"PACKAGE","url":"https://github.com/ethereum/eth-account"},{"type":"WEB","url":"https://research.jfrog.com/vulnerabilities/eth-account-redos-xray-248681"},{"type":"PACKAGE","url":"https://pypi.org/project/eth-account"},{"type":"ADVISORY","url":"https://github.com/advisories/GHSA-v65g-f3cj-fjp4"}],"affected":[{"package":{"name":"eth-account","ecosystem":"PyPI","purl":"pkg:pypi/eth-account"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"0.5.9"}]}],"versions":["0.1.0a1","0.1.0a2","0.2.0","0.2.0a0","0.2.1","0.2.2","0.2.3","0.3.0","0.4.0","0.5.0","0.5.1","0.5.2","0.5.3","0.5.4","0.5.5","0.5.6","0.5.7","0.5.8"],"database_specific":{"source":"https://github.com/pypa/advisory-database/blob/main/vulns/eth-account/PYSEC-2026-806.yaml"}}],"schema_version":"1.7.5","severity":[{"type":"CVSS_V3","score":"CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:H"}]}