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CVE-2026-82982

Approval · Vulnerability

CVSS 3.0 4.3 MEDIUMCheck source for fixed versionsKEV status unknown

Original advisory

cve-program · CVE-2026-82982

Published

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 present and non-empty in the request. An attacker able to intercept and modify the approval request could omit the etag field entirely, bypassing the freshness check and approving or rejecting a file version they never reviewed.

Read the publisher's advisory

Affected versions, risk and source history

cve-program · CVE-2026-82982

Published

Approval

Vendor product

Publisher's version information

Shown as published. These rules are not interpreted as NuGet package version ranges.

{
                    "defaultStatus": "unaffected",
                    "vendor": "Nextcloud",
                    "product": "Approval",
                    "versions": [
                        {
                            "version": "1.0.0",
                            "status": "affected",
                            "lessThanOrEqual": "3.0.0",
                            "versionType": "semver"
                        }
                    ]
                }

Original source record · Cite this exact observation · Complete original publisher JSON