CVE-2026-45275: Nextcloud is an open source content collaboration platform

Q: How do I fix CVE-2026-45275?

approval: upgrade to 2.7.2. Exact commands for each OS are on this page.

Q: Is CVE-2026-45275 being exploited?

CVE-2026-45275 is not on the CISA Known Exploited Vulnerabilities list at the time of the last update. Check again, as this can change.

Q: What does CVE-2026-45275 affect?

CVE-2026-45275 affects approval. Severity is medium (CVSS 6.5). 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 appr

Q: How urgent is CVE-2026-45275?

Priority 30/100. No elevated risk signals yet.

Routine

MEDIUM 6.5UPGRADE

CVE-2026-45275 is a medium-severity flaw (CVSS 6.5) affecting approval. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

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 bypass and privilege escalation, allowing unauthorized distribution of restricted files. This issue has been patched in version 2.7.2.

Why this priority

No elevated risk signals yet

A fixed release or distro patch exists.

Risk facts

CVSS score	6.5 (Medium)
Attack vector	Network (remote)
Attack complexity	Low
Privileges needed	Low
User interaction	None
EPSS exploit chance	0.4% (top 71%)
CISA exploited list	No
Weakness	CWE-285
Published	2026-06-01
Last modified	2026-07-22

Publisher (CNA): GitHub, Inc. · Vendor: nextcloud

Last updated 2026-07-22 · Sources: CVE Program, NVD, CISA KEV, EPSS and vendor advisories · How we score

Am I affected?

Timeline

2026-06-01 19:16 UTCPublished CVE record published
2026-07-22 07:10 UTCUpdated Record last modified

nextcloud approval UPGRADE

Affected: < 2.7.2

Fixed in: 2.7.2

Safe to downgrade to: no unaffected older release

1. Check installed version

apt-cache policy approval || rpm -q approval || approval --version

2. UPGRADE to 2.7.2 (Debian / Ubuntu)

sudo apt update && sudo apt install --only-upgrade approval

2. UPGRADE (RHEL / Amazon Linux / Fedora)

sudo dnf upgrade approval

Note

Distros often backport fixes without changing the version number. Confirm with the distro advisory or changelog.

Verify at the official source NVD · CVE Program · Report a problem with this page
Scores and fixes here are computed automatically from those and other public sources. Confirm with the vendor advisory before changing production systems.

Quick answers

How do I fix CVE-2026-45275?

approval: upgrade to 2.7.2. Exact commands for each OS are on this page.

Is CVE-2026-45275 being exploited?

CVE-2026-45275 is not on the CISA Known Exploited Vulnerabilities list at the time of the last update. Check again, as this can change.

What does CVE-2026-45275 affect?

CVE-2026-45275 affects approval. Severity is medium (CVSS 6.5). 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 appr

How urgent is CVE-2026-45275?

Priority 30/100. No elevated risk signals yet.

Software pages

Nextcloud vulnerabilities

Related CVEs

CVE-2026-45277 LOW 3.3 UPGRADE Nextcloud is an open source content collaboration platform

References

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