The Approval app's approve/reject endpoint is meant to require the file's current etag as a freshness check, preventing an approver from approving or rejecting a file whose contents changed after they reviewed it. The backend only enforced this check when the etag parameter was p...
Product
Nextcloud Approval vulnerabilities
4 published CVES affecting Nextcloud Approval, from public sources (CVE.org, NVD, CISA KEV, FIRST EPSS, OSV).
- Total
- 4
- Critical
- 0
- High
- 0
- Medium
- 2
- Low
- 2
- Unscored
- 0
- CISA KEV
- 0
Latest Nextcloud Approval CVEs
Newest publication first
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MediumCVSS 4.3 EPSS 0.33%
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LowCVSS 3.3 EPSS 0.13%
Nextcloud is an open source content collaboration platform. Prior to version 2.7.2, authenticated users can check if arbitrary files are associated with specific approval workflows where they can request approval. This issue has been patched in version 2.7.2.
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MediumCVSS 6.5 EPSS 0.36%
Nextcloud is an open source content collaboration platform. Prior to version 2.7.2, a privilege escalation vulnerability exists in the Approval app that allows a user without sharing permissions to force the system to share a file with approvers. This results in an authorization...
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CVE-2025-66515 Nextcloud Approval app allows users to request approval for other users file
PublishedLowCVSS 2.7 EPSS 0.34%The Nextcloud Approval app allows approval or disapproval of files in the sidebar. Prior to 1.3.1 and 2.5.0, an authenticated user listed as a requester in a workflow can set another user’s file into the “pending approval” without access to the file by using the numeric file id....
Sources: CVE.org, NVD, CISA KEV, FIRST EPSS, OSV and public exploit-reference metadata. Product matching comes from the published CVE records. A proof-of-concept means public code exists; it is not evidence of exploitation.