CVE-2026-45277

Description

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 v3.1 Score

3.3

LOW

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

EPSS — Exploit Prediction

0.0013

Probability of exploitation

0.03%

Percentile rank

EPSS estimates the probability that this vulnerability will be exploited in the wild within the next 30 days. A higher score means more likely to be exploited.

Weakness Type (CWE)

CWE-200 CWE-200

Affected Products

Vendor	Product	Versions
nextcloud	approval	< 2.7.2

References

Advisories & Patches

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

Other References

https://hackerone.com/reports/3475210

Frequently Asked Questions

What is CVE-2026-45277? +

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. It has a CVSS v3.1 base score of 3.3 (LOW).

How severe is CVE-2026-45277? +

CVE-2026-45277 has a CVSS v3.1 score of 3.3 out of 10, rated LOW. This is a low-severity vulnerability with limited impact. The EPSS score is 0.0013, placing it in the 0th percentile for exploitation probability.

What products are affected by CVE-2026-45277? +

CVE-2026-45277 affects products from nextcloud, specifically: approval. Check the affected products table above for specific version ranges.

How do I check if I'm vulnerable to CVE-2026-45277? +

You can use Secably's free Website Scanner to check your website for known vulnerabilities. For infrastructure scanning, use the Port Scanner to identify exposed services that may be affected. Check the vendor advisories linked above for specific patch and version information.

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