CVE-2024-56200

Altair is a fork of Misskey v12. Affected versions lack of request validation and lack of authentication in the image proxy for compressing and resizing remote files could allow attacks that could affect availability, such as by abnormally increasing the CPU usage of the server on which this...

CVE-2024-32983

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-2024-52579

Misskey is an open source, federated social media platform. Some APIs using HttpRequestService do not properly check the target host. This vulnerability allows an attacker to send POST or GET requests to the internal server, which may result in a SSRF attack.It allows an attacker to send POST or...

CVE-2024-52590

Misskey is an open source, federated social media platform. In affected versions missing validation in ApRequestService.signedGet allows an attacker to create fake user profiles that appear to be from a different instance than the one where they actually exist. These profiles can be used to...

CVE-2024-52593

Misskey is an open source, federated social media platform.In affected versions missing validation in NoteCreateService.insertNote, ApPersonService.createPerson, and ApPersonService.updatePerson allows an attacker to control the target of any "origin" links such as the "view on remote instance"...

CVE-2024-49363

Misskey is an open source, federated social media platform. In affected versions FileServerService media proxy in github.com/misskey-dev/misskey 2024.10.1 or earlier did not detect proxy loops, which allows remote actors to execute a self-propagating reflected/amplified distributed...

CVE-2024-52591

Misskey is an open source, federated social media platform. In affected versions missing validation in ApRequestService.signedGet and HttpRequestService.getActivityJson allows an attacker to create fake user profiles and forged notes. The spoofed users will appear to be from a different instance...

CVE-2024-52592

Misskey is an open source, federated social media platform. In affected versions missing validation in ApInboxService.update allows an attacker to modify the result of polls belonging to another user. No authentication is required, except for a valid signature from any actor on any remote instanc...

CVE-2024-49363

Misskey is an open source, federated social media platform. In affected versions FileServerService media proxy in github.com/misskey-dev/misskey 2024.10.1 or earlier did not detect proxy loops, which allows remote actors to execute a self-propagating reflected/amplified distributed...

CVE-2024-49363

Misskey FileServerService (media proxy) in version 2024.10.1 and earlier is vulnerable: proxyHandler does not verify that incoming requests come from a proxy, enabling a self-propagating reflected/amplified DDoS via nested proxy requests ending in a redirect to another nested proxy. This can caus...

CVE-2024-49363 Uncontrolled Recursion and Asymmetric Resource Consumption (Amplification) in media/file proxy in Misskey

Misskey is an open source, federated social media platform. In affected versions FileServerService media proxy in github.com/misskey-dev/misskey 2024.10.1 or earlier did not detect proxy loops, which allows remote actors to execute a self-propagating reflected/amplified distributed...

CVE-2024-49363 Uncontrolled Recursion and Asymmetric Resource Consumption (Amplification) in media/file proxy in Misskey

Misskey is an open source, federated social media platform. In affected versions FileServerService media proxy in github.com/misskey-dev/misskey 2024.10.1 or earlier did not detect proxy loops, which allows remote actors to execute a self-propagating reflected/amplified distributed...

CVE-2024-49363 Uncontrolled Recursion and Asymmetric Resource Consumption (Amplification) in media/file proxy in Misskey

Misskey is an open source, federated social media platform. In affected versions FileServerService media proxy in github.com/misskey-dev/misskey 2024.10.1 or earlier did not detect proxy loops, which allows remote actors to execute a self-propagating reflected/amplified distributed...

CVE-2024-52579

Misskey is an open source, federated social media platform. Some APIs using "HttpRequestService" do not properly check the target host. This vulnerability allows an attacker to send POST or GET requests to the internal server, which may result in a SSRF attack.It allows an attacker to send POST o...

CVE-2024-52579

Summary: CVE-2024-52579 in Misskey pertains to a Server-Side Request Forgery (SSRF) due to improper host checking in APIs using HttpRequestService. The vulnerability allows an attacker to make POST or GET requests to internal/private IPs, enabling attacks on internal servers. Affected versions: M...

CVE-2024-52579 Server-Side Request Forgery vulnerability in various APIs in Misskey

Misskey is an open source, federated social media platform. Some APIs using HttpRequestService do not properly check the target host. This vulnerability allows an attacker to send POST or GET requests to the internal server, which may result in a SSRF attack.It allows an attacker to send POST or...

CVE-2024-52579 Server-Side Request Forgery vulnerability in various APIs in Misskey

Misskey is an open source, federated social media platform. Some APIs using HttpRequestService do not properly check the target host. This vulnerability allows an attacker to send POST or GET requests to the internal server, which may result in a SSRF attack.It allows an attacker to send POST or...

CVE-2024-52579 Server-Side Request Forgery vulnerability in various APIs in Misskey

Misskey is an open source, federated social media platform. Some APIs using HttpRequestService do not properly check the target host. This vulnerability allows an attacker to send POST or GET requests to the internal server, which may result in a SSRF attack.It allows an attacker to send POST or...

CVE-2024-52590 Missing validation allows spoofed profiles in Misskey

Misskey is an open source, federated social media platform. In affected versions missing validation in ApRequestService.signedGet allows an attacker to create fake user profiles that appear to be from a different instance than the one where they actually exist. These profiles can be used to...

CVE-2024-52590

Misskey vulnerability CVE-2024-52590 is caused by missing validation in ApRequestService.signedGet, enabling an attacker to create spoofed profiles that appear to originate from another instance. Affected Misskey versions prior to 2024.11.0-alpha.3 allow impersonation of existing users on the tar...