CVE-2026-45691
Nextcloud: Bypass of second factor authentication on DAV endpoints
EPSS 0.29%
描述
Nextcloud is an open source content collaboration platform. In Nextcloud Server from versions 32.0.0 to before 32.0.9, and 33.0.0 to before 33.0.3, a pre-2FA session cookie (created after successful password authentication but before TOTP completion) could be reused as a Bearer token to authenticate against DAV endpoints, granting read/write access and bypassing mandatory two-factor authentication. It is recommended that the Nextcloud Server is upgraded to 33.0.3 or 32.0.9. It is recommended that the Nextcloud Enterprise Server is upgraded to 33.0.3, 32.0.9, 31.0.14.5, 30.0.17.9 or 29.0.16.16
如何修補 CVE-2026-45691
OSV 沒有提供套件對應 — 請參考下方連結尋找廠商提供的建議。
CVE-2026-45691 正在被利用嗎?
低 — EPSS 為 0.3%,目前沒有觀察到大規模利用活動。
受影響套件(0)
OSV 沒有提供套件對應。