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CVE-2026-95625

Tauri framework v2 missing updater signature version number validation can be exploited into forced downgrade

CVSS 3.1 5.9 MEDIUMCheck source for fixed versionsKEV status unknown

Original advisory

cve-program · CVE-2026-95625

Published

The Tauri updater plugin verifies update binaries using minisign signatures, but the signature covers only the raw binary bytes. The update manifest -- which contains the version number, download URL, and signature -- is fetched over TLS but is never itself signed or authenticated. Because the only anti-rollback check compares the manifest's version field against the current version, and that field is unsigned, an attacker who can serve a crafted manifest can force installation of any older signed release without possessing the developer's private key.

Read the publisher's advisory

Affected versions, risk and source history

cve-program · CVE-2026-95625

Published

tauri-plugin-updater

https://crates.io/crates/tauri-plugin-updater

Publisher's version information

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

{
                    "vendor": "Tauri",
                    "product": "tauri-plugin-updater",
                    "collectionURL": "https://crates.io/crates/tauri-plugin-updater",
                    "packageName": "tauri-plugin-updater",
                    "repo": "git://github.com/tauri-apps/plugins-workspace",
                    "programFiles": [
                        "plugins/updater/src/updater.rs",
                        "plugins/updater/src/config.rs"
                    ],
                    "versions": [
                        {
                            "status": "affected",
                            "version": "2.0.0",
                            "lessThan": "2.12.0",
                            "versionType": "semver"
                        },
                        {
                            "status": "affected",
                            "version": "2.12.0",
                            "lessThanOrEqual": "*",
                            "versionType": "semver"
                        }
                    ],
                    "defaultStatus": "unaffected"
                }

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