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Vulnerabilities ›

CVE-2026-28432

High

Misskey is an open source, federated social media platform. All Misskey servers prior to 2026.3.1 contain a vulnerability that allows bypassing HTTP signature verification. Although this is a vulnerab

CWE-347 — Weakness Type

                    Published: Mar 10, 2026                      ·  Modified: Mar 17, 2026                      ·  Source: NVD                

CVSS v3

7.5

🔗 NVD Official

📄 Description (English)

Misskey is an open source, federated social media platform. All Misskey servers prior to 2026.3.1 contain a vulnerability that allows bypassing HTTP signature verification. Although this is a vulnerability related to federation, it affects all servers regardless of whether federation is enabled or disabled. This vulnerability is fixed in 2026.3.1.

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Queued for AI Analysis

This CVE will be auto-analyzed on the next cron run.

🔗 References & Sources 1

https://github.com/misskey-dev/misskey/security/advisories/GHSA-grwc-c762-gcvp

security-advisories@github.com

Vendor Advisory

📦 Affected Products / CPE 1 entries

misskey:misskey

📊 CVSS Score

7.5

/ 10.0 — High

📊 CVSS Vector

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N

Attack VectorN — None / Network

Attack ComplexityL — Low / Local

Privileges RequiredN — None / Network

User InteractionN — None / Network

ScopeU — Unchanged

ConfidentialityN — None / Network

IntegrityH — High

AvailabilityN — None / Network

📋 Quick Facts

Severity High

CVSS Score7.5

CWECWE-347

Exploit No

Patch ✓ Yes

Published 2026-03-10

Source Feed nvd

🏷️ Tags

CWE-347

🏢 Vendor Advisories

🔗 https://github.com/misskey-dev/misskey/security/advi...

⚡ Actions

🔗 NVD Official Page ⚡ Exploit-DB Search 🐙 GitHub PoC Search 🎯 MITRE ATT&CK 📊 CVE Details

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