CVE-2026-54562
Cloudreve is a self-hosted file management and sharing system. Prior to 4.16.1, Cloudreve's remote download workflow accepts user-supplied URLs at POST /api/v4/workflow/download and passes them to the configured downloader without blocking loopback, localhost, IPv6 localhost, or redirect-to-loopback targets, allowing a non-admin user with remote download permission to fetch internal-only URLs and read the response after it is imported into the user's own files. This issue is fixed in version 4.16.1.
Слабость
Cloudreve is a self-hosted file management and sharing system. Prior to 4.16.1, Cloudreve's remote download workflow accepts user-supplied URLs at POST /api/v4/workflow/download and passes them to the configured downloader without blocking loopback, localhost, IPv6 localhost, or redirect-to-loopback targets, allowing a non-admin user with remote download permission to fetch internal-only URLs and read the response after it is imported into the user's own files. This issue is fixed in version 4.16.1.
Источники
- https://github.com/cloudreve/cloudreve/commit/aaebf317a78f2413d74afd66c21a1f3143711312
- https://github.com/cloudreve/cloudreve/releases/tag/4.16.1
- https://github.com/cloudreve/cloudreve/security/advisories/GHSA-x756-g4x3-c64m
- https://github.com/cloudreve/cloudreve/security/advisories/GHSA-x756-g4x3-c64m
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