CVE-2024-32983 Misskey allows the impersonation and takeover of remote accounts with unnormalized signed activities

Misskey is an open source, decentralized microblogging platform. Misskey doesn't perform proper normalization on the JSON structures of incoming signed ActivityPub activity objects before processing them, allowing threat actors to spoof the contents of signed activities and impersonate the author...

PT-2024-25031

Name of the Vulnerable Software and Affected Versions Misskey versions prior to 2024.5.0 Description Misskey is an open source, decentralized microblogging platform. The platform does not perform proper normalization on the JSON structures of incoming signed ActivityPub activity objects before...

CVE-2024-32983: Incorrect Authorization

Misskey is an open source, decentralized microblogging platform. Misskey doesn't perform proper normalization on the JSON structures of incoming signed ActivityPub activity objects before processing them, allowing threat actors to spoof the contents of signed activities and impersonate the author...

CVE-2024-25636

Misskey is an open source, decentralized social media platform with ActivityPub support. Prior to version 2024.2.0, when fetching remote Activity Streams objects, Misskey doesn't check that the response from the remote server has a Content-Type header value of the Activity Streams media type, whi...

Design/Logic Flaw

Misskey is an open source, decentralized social media platform with ActivityPub support. Prior to version 2024.2.0, when fetching remote Activity Streams objects, Misskey doesn't check that the response from the remote server has a Content-Type header value of the Activity Streams media type, whi...

CVE-2024-25636 Lack of media type verification of Activity Streams objects allows impersonation and takeover of remote accounts

Misskey is an open source, decentralized social media platform with ActivityPub support. Prior to version 2024.2.0, when fetching remote Activity Streams objects, Misskey doesn't check that the response from the remote server has a Content-Type header value of the Activity Streams media type, whi...

CVE-2024-25636 Lack of media type verification of Activity Streams objects allows impersonation and takeover of remote accounts

Misskey is an open source, decentralized social media platform with ActivityPub support. Prior to version 2024.2.0, when fetching remote Activity Streams objects, Misskey doesn't check that the response from the remote server has a Content-Type header value of the Activity Streams media type, whi...

CVE-2024-25636

Misskey is an open source, decentralized social media platform with ActivityPub support. Prior to version 2024.2.0, when fetching remote Activity Streams objects, Misskey doesn't check that the response from the remote server has a Content-Type header value of the Activity Streams media type, whi...

CVE-2024-25636

Misskey prior to version 2024.2.0 is affected by a vulnerability where remote Activity Streams objects are fetched without verifying the Content-Type header for the Activity Streams media type. This flaw allows an attacker to upload a crafted Activity Streams document to a remote server and, if t...

CVE-2024-25636 Lack of media type verification of Activity Streams objects allows impersonation and takeover of remote accounts

Misskey is an open source, decentralized social media platform with ActivityPub support. Prior to version 2024.2.0, when fetching remote Activity Streams objects, Misskey doesn't check that the response from the remote server has a Content-Type header value of the Activity Streams media type, whi...

Misskey Code Issues Vulnerabilities

Misskey is a suite of micro-blogging platforms. A code issue vulnerability exists in Misskey versions prior to 2024.2.0. An attacker exploited the vulnerability to impersonate and take over an account on a remote server...

CVE-2024-25636: Unrestricted Upload of File with Dangerous Type

Misskey is an open source, decentralized social media platform with ActivityPub support. Prior to version 2024.2.0, when fetching remote Activity Streams objects, Misskey doesn't check that the response from the remote server has a Content-Type header value of the Activity Streams media type, whi...

PT-2024-21056 · Misskey · Misskey

Name of the Vulnerable Software and Affected Versions: Misskey versions prior to 2024.2.0 Description: Misskey is an open source, decentralized social media platform with ActivityPub support. The issue arises when fetching remote Activity Streams objects, as Misskey doesn't check that the respons...

CVE-2023-52139

Misskey is an open source, decentralized social media platform. Third-party applications may be able to access some endpoints or Websocket APIs that are incorrectly specified as kind or secure without the user's permission and perform operations such as reading or adding non-public content. As a...

Design/Logic Flaw

Misskey is an open source, decentralized social media platform. Third-party applications may be able to access some endpoints or Websocket APIs that are incorrectly specified as kind or secure without the user's permission and perform operations such as reading or adding non-public content. As a...

CVE-2023-52139

Misskey is an open source, decentralized social media platform. Third-party applications may be able to access some endpoints or Websocket APIs that are incorrectly specified as kind or secure without the user's permission and perform operations such as reading or adding non-public content. As a...

CVE-2023-52139 Misskey vulnerable to improper authorization when accessing with third-party application

Misskey is an open source, decentralized social media platform. Third-party applications may be able to access some endpoints or Websocket APIs that are incorrectly specified as kind or secure without the user's permission and perform operations such as reading or adding non-public content. As a...

CVE-2023-52139 Misskey vulnerable to improper authorization when accessing with third-party application

Misskey is an open source, decentralized social media platform. Third-party applications may be able to access some endpoints or Websocket APIs that are incorrectly specified as kind or secure without the user's permission and perform operations such as reading or adding non-public content. As a...

CVE-2023-52139

Misskey (open source decentralized social platform) has an improper authorization risk where third‑party apps can access certain endpoints/Websocket APIs without user consent, potentially leaking confidential data (object storage secrets, SMTP passwords) if the authenticating user is an administr...

Misskey Authorization Issues Vulnerabilities

Misskey is a suite of micro-blogging platforms. An authorization issue vulnerability exists in Misskey versions prior to 2023.12.1, which stems from the ability to access certain endpoints or websocket APIs designated as secure or safe and perform actions such as reading or adding public content...