CVE-2026-45267

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Source
https://cve.org/CVERecord?id=CVE-2026-45267
Import Source
https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2026-45267.json
JSON Data
https://api.osv.dev/v1/vulns/CVE-2026-45267
Aliases
  • GHSA-r4gh-f8x6-m55f
Published
2026-06-01T16:40:18Z
Modified
2026-10-28T02:30:36Z
Severity
  • 6.5 (Medium) CVSS_V3 - CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N CVSS Calculator
Summary
Nextcloud: Missing permission check for from submissions
Details

Nextcloud is an open source content collaboration platform. Prior to version 5.2.6, a missing permissions check allowed users to request reading form submissions of other users. This issue has been patched in version 5.2.6.

Database specific 
{
    "cna_assigner": "GitHub_M",
    "cwe_ids": [
        "CWE-200",
        "CWE-862"
    ],
    "osv_generated_from": "https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/45xxx/CVE-2026-45267.json"
}
References

Affected packages

Git / github.com/nextcloud/forms

Affected ranges

Type
GIT
Repo
https://github.com/nextcloud/forms
Events
Introduced
0 Unknown introduced commit / All previous commits are affected
Fixed
3e6b73535bb670e0b46c47c4333c8071f6009657
Database specific
Show details 
{
    "extracted_events": [
        {
            "range": [
                {
                    "introduced": "0"
                },
                {
                    "fixed": "5.2.6"
                }
            ],
            "source": "AFFECTED_FIELD",
            "strategy": "StringRangeExpression"
        },
        {
            "range": [
                {
                    "introduced": "0"
                },
                {
                    "fixed": "5.2.6"
                }
            ],
            "source": "DESCRIPTION"
        }
    ]
}

Affected versions

v.*
v.1.0.4
v1.*
v1.0.3
v1.1.0
v1.1.1
v2.*
v2.0.0
v2.0.0-beta.3
v2.0.0-beta.4
v2.0.0-beta1
v2.0.0-beta2
v2.0.0-rc.1
v2.0.2
v2.0.3
v2.0.4
v2.1.0
v2.2.0
v2.2.0-beta.1
v2.2.1
v2.2.2
v2.2.3
v2.2.4
v2.3.0
v2.3.0-alpha.0
v2.4.0
v2.5.0
v3.*
v3.0.0
v3.0.0-beta.1
v3.0.0-beta.2
v3.0.1
v3.0.2
v3.0.3
v3.0.4
v3.1.0
v3.2.0
v3.3.0
v3.3.1
v3.4.0
v4.*
v4.0.0
v4.0.0-alpha.1
v4.0.0-alpha.2
v4.1.0
v4.1.1
v4.2.0
v4.2.0-alpha.1
v4.2.1
v4.2.2
v4.2.3
v4.3.0
v4.3.0-alpha3
v4.3.0-alpha4
v4.3.0-alpha5
v4.3.0-alpha6
v4.3.0-alpha7
v5.*
v5.0.0
v5.0.0-alpha.0
v5.0.0-alpha.1
v5.0.0-alpha.2
v5.0.0-alpha.3
v5.0.1
v5.0.2
v5.0.3
v5.0.4
v5.1.0
v5.2.0
v5.2.0-beta.0
v5.2.0-beta.1
v5.2.0-beta.2
v5.2.1
v5.2.2
v5.2.3
v5.2.4
v5.2.5

Database specific

source 
"https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2026-45267.json"