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CVE-2026-57500

REVA: Access to internal metadata

REVA is an interoperability platform. Prior to versions 2.40.5 and 2.46.4, Reva exposes internal metadata folders in the spaces of an authenticated user. This can lead to unwanted ways of interaction with the data. This issue has been patched in versions 2.40.5 and 2.46.4.

CVSS 3.1 · 6.3 Medium EPSS < 1% KEV · Not listed
Vendors
Opencloud-eu
Products
Reva
CVE-2026-23989

REVA Public Link Exploit

REVA is an interoperability platform. Prior to 2.42.3 and 2.40.3, a bug in the GRPC authorization middleware of the "Reva" component of OpenCloud allows a malicious user to bypass the scope verification of a public link. By exploiting this via the the "archiver" service this can be leveraged to create an archive (zip or tar-file) containing all resources that this creator of the public link has access to. This vulnerability is fixed in 2.42.3 and 2.40.3.

CVSS 3.1 · 8.2 High EPSS < 1% KEV · Not listed
Vendors
Heinlein Opencloud-eu
Products
Opencloud Reva Reva