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Vulnerability Details :

CVE-2025-46559

Summary
Assigner-GitHub_M
Assigner Org ID-a0819718-46f1-4df5-94e2-005712e83aaa
Published At-05 May, 2025 | 18:38
Updated At-05 May, 2025 | 18:44
Rejected At-
Credits

Misskey Directory Traversal Vulnerability in AiScript via `Mk:api`

Misskey is an open source, federated social media platform. Starting in version 12.31.0 and prior to version 2025.4.1, missing validation in `Mk:api` allows malicious AiScript code to access additional endpoints that it isn't designed to have access to. The missing validation allows malicious AiScript code to prefix a URL with `../` to step out of the `/api` directory, thereby being able to make requests to other endpoints, such as `/files`, `/url`, and `/proxy`. Version 2025.4.1 fixes the issue.

Vendors
-
Not available
Products
-
Metrics (CVSS)
VersionBase scoreBase severityVector
Weaknesses
Attack Patterns
Solution/Workaround
References
HyperlinkResource Type
EPSS History
Score
Latest Score
-
N/A
No data available for selected date range
Percentile
Latest Percentile
-
N/A
No data available for selected date range
Stakeholder-Specific Vulnerability Categorization (SSVC)
▼Common Vulnerabilities and Exposures (CVE)
cve.org
Assigner:GitHub_M
Assigner Org ID:a0819718-46f1-4df5-94e2-005712e83aaa
Published At:05 May, 2025 | 18:38
Updated At:05 May, 2025 | 18:44
Rejected At:
▼CVE Numbering Authority (CNA)
Misskey Directory Traversal Vulnerability in AiScript via `Mk:api`

Misskey is an open source, federated social media platform. Starting in version 12.31.0 and prior to version 2025.4.1, missing validation in `Mk:api` allows malicious AiScript code to access additional endpoints that it isn't designed to have access to. The missing validation allows malicious AiScript code to prefix a URL with `../` to step out of the `/api` directory, thereby being able to make requests to other endpoints, such as `/files`, `/url`, and `/proxy`. Version 2025.4.1 fixes the issue.

Affected Products
Vendor
misskey-dev
Product
misskey
Versions
Affected
  • >= 12.31.0, < 2025.4.1
Problem Types
TypeCWE IDDescription
CWECWE-22CWE-22: Improper Limitation of a Pathname to a Restricted Directory ('Path Traversal')
Type: CWE
CWE ID: CWE-22
Description: CWE-22: Improper Limitation of a Pathname to a Restricted Directory ('Path Traversal')
Metrics
VersionBase scoreBase severityVector
3.15.4MEDIUM
CVSS:3.1/AV:N/AC:H/PR:L/UI:R/S:U/C:L/I:H/A:N
Version: 3.1
Base score: 5.4
Base severity: MEDIUM
Vector:
CVSS:3.1/AV:N/AC:H/PR:L/UI:R/S:U/C:L/I:H/A:N
Metrics Other Info
Impacts
CAPEC IDDescription
Solutions
Configurations
Workarounds
Exploits
Credits
Timeline
EventDate
Replaced By
Rejected Reason
References
HyperlinkResource
https://github.com/misskey-dev/misskey/security/advisories/GHSA-gmq6-738q-vjp2
x_refsource_CONFIRM
https://github.com/misskey-dev/misskey/commit/583df3ec63e25a1fd34def0dac13405396b8b663
x_refsource_MISC
Hyperlink: https://github.com/misskey-dev/misskey/security/advisories/GHSA-gmq6-738q-vjp2
Resource:
x_refsource_CONFIRM
Hyperlink: https://github.com/misskey-dev/misskey/commit/583df3ec63e25a1fd34def0dac13405396b8b663
Resource:
x_refsource_MISC
▼Authorized Data Publishers (ADP)
CISA ADP Vulnrichment
Affected Products
Metrics
VersionBase scoreBase severityVector
Metrics Other Info
Impacts
CAPEC IDDescription
Solutions
Configurations
Workarounds
Exploits
Credits
Timeline
EventDate
Replaced By
Rejected Reason
References
HyperlinkResource
Information is not available yet
▼National Vulnerability Database (NVD)
nvd.nist.gov
Source:security-advisories@github.com
Published At:05 May, 2025 | 19:15
Updated At:05 May, 2025 | 20:54

Misskey is an open source, federated social media platform. Starting in version 12.31.0 and prior to version 2025.4.1, missing validation in `Mk:api` allows malicious AiScript code to access additional endpoints that it isn't designed to have access to. The missing validation allows malicious AiScript code to prefix a URL with `../` to step out of the `/api` directory, thereby being able to make requests to other endpoints, such as `/files`, `/url`, and `/proxy`. Version 2025.4.1 fixes the issue.

CISA Catalog
Date AddedDue DateVulnerability NameRequired Action
N/A
Date Added: N/A
Due Date: N/A
Vulnerability Name: N/A
Required Action: N/A
Metrics
TypeVersionBase scoreBase severityVector
Secondary3.15.4MEDIUM
CVSS:3.1/AV:N/AC:H/PR:L/UI:R/S:U/C:L/I:H/A:N
Type: Secondary
Version: 3.1
Base score: 5.4
Base severity: MEDIUM
Vector:
CVSS:3.1/AV:N/AC:H/PR:L/UI:R/S:U/C:L/I:H/A:N
CPE Matches
Weaknesses
CWE IDTypeSource
CWE-22Primarysecurity-advisories@github.com
CWE ID: CWE-22
Type: Primary
Source: security-advisories@github.com
Evaluator Description
Evaluator Impact

Evaluator Solution

Vendor Statements
References
HyperlinkSourceResource
https://github.com/misskey-dev/misskey/commit/583df3ec63e25a1fd34def0dac13405396b8b663security-advisories@github.com
N/A
https://github.com/misskey-dev/misskey/security/advisories/GHSA-gmq6-738q-vjp2security-advisories@github.com
N/A
Hyperlink: https://github.com/misskey-dev/misskey/commit/583df3ec63e25a1fd34def0dac13405396b8b663
Source: security-advisories@github.com
Resource: N/A
Hyperlink: https://github.com/misskey-dev/misskey/security/advisories/GHSA-gmq6-738q-vjp2
Source: security-advisories@github.com
Resource: N/A

Change History

0
Information is not available yet

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