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    2 vulnerabilities by vovchic17

    CVE-2026-70646 (GCVE-0-2026-70646)

    Vulnerability from nvd – Published: 2026-08-06 14:38 – Updated: 2026-08-08 02:03
    VLAI
    Title
    aiosend: Deserialization of request body before signature verification (Pre-auth DoS) in webhook handler
    Summary
    aiosend is a synchronous and asynchronous Crypto Pay API client. Pror to version 3.0.7, `WebhookHandler.feed_update()` deserializes the entire request body before verifying the HMAC signature. This allows an unauthenticated attacker to force expensive parsing of arbitrary JSON payloads that will ultimately be rejected, leading to unnecessary CPU and memory consumption. Version 3.0.7 fixes the issue. Some workarounds are available. Restrict request body size at the reverse proxy or web framework, rate-limit webhook endpoints, and/or reject oversized requests before JSON parsing.
    Severity
    7.5 (High)
    CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
    SSVC
    Exploitation: none Automatable: yes Technical Impact: partial
    CISA Coordinator (v2.0.3)
    CWE
    • CWE-400 - Uncontrolled Resource Consumption
    Assigner
    References
    Impacted products
    Vendor Product Version
    vovchic17 aiosend Affected: < 3.0.6
    		Create a notification for this product.
    Show details on NVD website
    To clipboard 

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    CVE-2026-70646 (GCVE-0-2026-70646)

    Vulnerability from cvelistv5 – Published: 2026-08-06 14:38 – Updated: 2026-08-08 02:03
    VLAI
    Title
    aiosend: Deserialization of request body before signature verification (Pre-auth DoS) in webhook handler
    Summary
    aiosend is a synchronous and asynchronous Crypto Pay API client. Pror to version 3.0.7, `WebhookHandler.feed_update()` deserializes the entire request body before verifying the HMAC signature. This allows an unauthenticated attacker to force expensive parsing of arbitrary JSON payloads that will ultimately be rejected, leading to unnecessary CPU and memory consumption. Version 3.0.7 fixes the issue. Some workarounds are available. Restrict request body size at the reverse proxy or web framework, rate-limit webhook endpoints, and/or reject oversized requests before JSON parsing.
    Severity
    7.5 (High)
    CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
    SSVC
    Exploitation: none Automatable: yes Technical Impact: partial
    CISA Coordinator (v2.0.3)
    CWE
    • CWE-400 - Uncontrolled Resource Consumption
    Assigner
    References
    Impacted products
    Vendor Product Version
    vovchic17 aiosend Affected: < 3.0.6
    		Create a notification for this product.
    Show details on NVD website
    To clipboard 

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