PYSEC-2026-806

    Dashboard / Vulnerabilities / PYSEC-2026-806

    PYSEC-2026-806

    Published: 6 Jul 2026Last Modified: 7 Jul 2026

    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

    References: https://nvd.nist.gov/vuln/detail/CVE-2022-1930, https://github.com/ethereum/eth-account/commit/70f89be700df0d5f08ef696252c88741f8414060, https://github.com/ethereum/eth-account, https://research.jfrog.com/vulnerabilities/eth-account-redos-xray-248681, https://pypi.org/project/eth-account, https://github.com/advisories/GHSA-v65g-f3cj-fjp4

    Affected packages

    Package

    Name: eth-account

    Purl: pkg:pypi/eth-account

    Affected ranges

    Type: ECOSYSTEM

    Events:

    Introduced- 0
    Fixed -0.5.9

    Affected versions

    0.1.0a1
    0.1.0a2

    Common Vulnerability Scoring System

    Attack Vector
    Network
    Adjacent
    Local
    Physical
    Privileges Required
    None
    Low
    High
    User Interaction
    None
    Required
    Scope
    Unchanged
    Changed
    Confidentiality
    None
    Low
    High
    Integrity
    None
    Low
    High
    Availability
    None
    Low
    High
    PYSEC-2026-806 | CVE-DB