CVE-2026-45277

Nextcloud: Information disclosure in Nextcloud Approval app via fileId parameter reveals workflow associations

CVSS 3.3 LOWEPSS 0.1%CWE-200

Vexday Risk Score

8Low

SSVC decision (CISA)

Track

No exploitation signal → monitor

CVSS 3.3EPSS 0.1%KEV nãoPoC —Nuclei —Metasploit —Patch —

Lifecycle

01 Jun 2026Published on NVD

Recommendation: Monitor — no exploitation signal at the moment.

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.

CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N

Affected products

nextcloud · security-advisories

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References

https://github.com/nextcloud/approval/pull/356 https://github.com/nextcloud/security-advisories/security/advisories/GHSA-h7gm-vgxr-9hcw https://hackerone.com/reports/3475210