CVE-2026-46714: CWE-674: Uncontrolled Recursion in misskey-dev misskey
Misskey is an open source, federated social media platform. IVersions 8.63.0 and later, but prior to 2026.5.4, contain a vulnerability that can cause the Misskey web client to slow down or crash when it applies a malformed theme. This issue has been fixed in version 2026.5.4.
AI Analysis
Technical Summary
Misskey, an open source federated social media platform, has a vulnerability identified as CVE-2026-46714 (CWE-674: Uncontrolled Recursion) affecting versions from 8.63.0 up to 2026.5.4. The vulnerability arises when the web client processes a malformed theme, causing uncontrolled recursion that results in performance degradation or client crashes. The issue has been resolved in version 2026.5.4.
Potential Impact
Exploitation of this vulnerability can cause the Misskey web client to slow down significantly or crash, potentially disrupting user experience. There is no indication of privilege escalation, data compromise, or remote code execution. No known exploits are reported in the wild.
Mitigation Recommendations
Upgrade to Misskey version 2026.5.4 or later, where this vulnerability has been fixed. No other mitigation steps are indicated.
CVE-2026-46714: CWE-674: Uncontrolled Recursion in misskey-dev misskey
Description
Misskey is an open source, federated social media platform. IVersions 8.63.0 and later, but prior to 2026.5.4, contain a vulnerability that can cause the Misskey web client to slow down or crash when it applies a malformed theme. This issue has been fixed in version 2026.5.4.
CVSS v4.0
Score 5.1medium
Affected software
misskey-dev
misskey
pkg:github/misskey-dev/misskeyRun on your own infrastructure? Check whether these packages are installed with threat-finder — our free open-source scanner.
Weaknesses
AI-Powered Analysis
Machine-generated threat intelligence
Technical Analysis
Misskey, an open source federated social media platform, has a vulnerability identified as CVE-2026-46714 (CWE-674: Uncontrolled Recursion) affecting versions from 8.63.0 up to 2026.5.4. The vulnerability arises when the web client processes a malformed theme, causing uncontrolled recursion that results in performance degradation or client crashes. The issue has been resolved in version 2026.5.4.
Potential Impact
Exploitation of this vulnerability can cause the Misskey web client to slow down significantly or crash, potentially disrupting user experience. There is no indication of privilege escalation, data compromise, or remote code execution. No known exploits are reported in the wild.
Mitigation Recommendations
Upgrade to Misskey version 2026.5.4 or later, where this vulnerability has been fixed. No other mitigation steps are indicated.
Technical Details
- Data Version
- 5.2
- Assigner Short Name
- GitHub_M
- Date Reserved
- 2026-05-15T23:26:58.309Z
- Cvss Version
- 4.0
- State
- PUBLISHED
Threat ID: 6a71103cbf32cb7a344d9fbd
Added to database: 08/03/2026, 22:03:40 UTC
Last enriched: 08/11/2026, 17:53:57 UTC
Last updated: 09/17/2026, 22:01:35 UTC
Views: 37
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