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    CVE-2023-49079

    Misskey is an open source, decentralized social media platform. Misskey's missing signature validation allows arbitrary users to impersonate any remote user. This issue has been patched in version 2023.11.1-beta.1.

    Published:Nov 29, 2023
    Last Modified:Nov 21, 2024
    EPS:Nov 29, 2023
    EPSS Score:0.00136
    CVSS Score:9.3

    Affected Products

    Vendor
    Misskey
    Product
    Misskey

    Exploits

    No exploit reference

    Common Attack Pattern Enumeration and Classification (CAPEC)

    CAPEC-463 Padding Oracle Crypto Attack
    CAPEC-475 Signature Spoofing by Improper Validation

    Related CVEs

    CVE-2026-46714 (CVSS 5.1) — Misskey is an open source, federated social media platform. IVersions 8.63.0 and later, but prior to 2026.5.4,…
    CVE-2026-47746 (CVSS 8.9) — Misskey is an open source, federated social media platform. Versions 12.37.0 and later, but prior to 2026.5.4,…
    CVE-2026-46713 (CVSS 9.2) — Misskey is an open source, federated social media platform. Versions 12.37.0 and later, but prior to 2026.5.4,…
    CVE-2026-46712 (CVSS 2.3) — Misskey is an open source, federated social media platform. Versions 2025.3.2 and later, but prior to 2026.5.4…
    CVE-2026-48115 (CVSS 6.3) — Misskey is an open source, federated social media platform. All Misskey servers running versions 2024.5.0 and …
    CVE-2026-57574 (CVSS 7.4) — Misskey is an open source, federated social media platform. Prior to 2026.6.0, Misskey contains a vulnerabilit…
    CVE-2026-57575 (CVSS 6.9) — Misskey is an open source, federated social media platform. Prior to 2026.6.0, Misskey contains a Server-Side …
    CVE-2026-28433 (CVSS 2.3) — Misskey is an open source, federated social media platform. All Misskey servers running versions 10.93.0 and l…
    CVE-2026-28432 (CVSS 7.1) — Misskey is an open source, federated social media platform. All Misskey servers prior to 2026.3.1 contain a vu…
    CVE-2026-28431 (CVSS 9.2) — Misskey is an open source, federated social media platform. All Misskey servers running versions 8.45.0 and la…

    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