CVE-2023-49079

Misskey's missing signature validation allows arbitrary users to impersonate any remote user.

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Published Nov 29, 2023 CVSS 3.1 · 9.3 Critical EPSS < 1% KEV · Not listed

Description

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.

Affected Products

Default status is the baseline for the product, each version can override it (e.g. patched versions marked unaffected).

Vendor Product Default status Versions

misskey-dev

misskey

affected

Version	Status	Constraints
`< 2023.11.1-beta.1`	affected	—

Configuration 1 [-]

cpe:2.3:a:misskey:misskey:*:*:*:*:*:*:*:*

No data.

No data available yet.

Remediation

No solution or workaround provided in the CVE record

Tracking

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Advisories

Source	ID	Title
EUVD	EUVD-2023-53098	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.

Metrics

No CVSS v4.0

Attack Vector Network

Attack Complexity Low

Privileges Required None

Scope Changed

Confidentiality Impact Low

Integrity Impact High

Availability Impact None

User Interaction None

No CVSS v3.0

No CVSS v2

This CVE is not in the KEV list.

Exploit prediction score: < 1% (0.400% probability within 30 days)

Key SSVC decision points have not yet been added.

References

Link	Providers
https://github.com/misskey-dev/misskey/security/advisories/GHSA-3f39-6537-3cgc

History

No history.

Subscriptions

Misskey Misskey

Weaknesses

CWE-347

Sources

CVE record Updated: Aug 2, 2024, 9:46 PM

Status: PUBLISHED
Assigner: GitHub_M
Published: Nov 29, 2023, 6:56 PM
Updated: Aug 2, 2024, 9:46 PM
Reserved: Nov 21, 2023, 6:57 PM

View source JSON

Vulnrichment No data

No data.

NVD Updated: Jun 17, 2026, 6:35 AM

Status: Modified
Published: Nov 29, 2023, 7:15 PM
Modified: Jun 17, 2026, 6:35 AM

View source JSON

Red Hat No data

No data.

OpenCVE enrichment No data

No data.

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