Cloudreve: Storage-quota TOCTOU race allows quota bypass and storage-based denial of service
High-risk advisory
CVE-2026-77633
Summary
Cloudreve: Storage-quota TOCTOU race allows quota bypass and storage-based denial of service
Why it matters
GitHub has published a reviewed security advisory for github.com/cloudreve/Cloudreve/v4. Prioritize it with other application dependency updates.
Operator check
Check whether github.com/cloudreve/Cloudreve/v4 is present in application dependency manifests, lockfiles, or build images. Review the GitHub advisory and upgrade to a patched version where available.
Sources
PatchBrief uses public sources. It does not scan environments, verify exposure, or replace vendor guidance.