Cloudreve: Storage-quota TOCTOU race allows quota bypass and storage-based denial of service

These records connect through source-stated identifiers. Shared identifiers or dates alone do not establish shared exposure, root cause or applicability.

CVE-2026-77633 · Microsoft / collected KEV context

EUVD-2026-84528

GHSA-xj3h-wwxq-gfcj

GO-2026-6578

cve-program · CVE-2026-77633

• https://github.com/cloudreve/cloudreve/security/advisories/GHSA-xj3h-wwxq-gfcj
• https://github.com/cloudreve/cloudreve/commit/7329602751c00bb4136fe9ad8b364d0df70773df
• https://github.com/cloudreve/cloudreve/releases/tag/4.18.0

euvd · EUVD-2026-84528

• https://github.com/cloudreve/cloudreve/security/advisories/GHSA-xj3h-wwxq-gfcj
• https://github.com/cloudreve/cloudreve/commit/7329602751c00bb4136fe9ad8b364d0df70773df
• https://github.com/cloudreve/cloudreve/releases/tag/4.18.0

nvd · CVE-2026-77633

• https://github.com/cloudreve/cloudreve/commit/7329602751c00bb4136fe9ad8b364d0df70773df
• https://github.com/cloudreve/cloudreve/releases/tag/4.18.0
• https://github.com/cloudreve/cloudreve/security/advisories/GHSA-xj3h-wwxq-gfcj

osv · GHSA-xj3h-wwxq-gfcj

• https://github.com/cloudreve/cloudreve/security/advisories/GHSA-xj3h-wwxq-gfcj
• https://nvd.nist.gov/vuln/detail/CVE-2026-77633
• https://github.com/cloudreve/cloudreve/commit/7329602751c00bb4136fe9ad8b364d0df70773df
• https://github.com/cloudreve/cloudreve
• https://github.com/cloudreve/cloudreve/releases/tag/4.18.0

osv · GO-2026-6578

• https://github.com/cloudreve/cloudreve/security/advisories/GHSA-xj3h-wwxq-gfcj
• https://nvd.nist.gov/vuln/detail/CVE-2026-77633
• https://github.com/cloudreve/cloudreve/commit/7329602751c00bb4136fe9ad8b364d0df70773df
• https://github.com/cloudreve/cloudreve/releases/tag/4.18.0

No related operational record is retained in the current change model.