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4 vulnerabilities found for tauri-plugin-updater by Tauri
CVE-2026-95625 (GCVE-0-2026-95625)
Vulnerability from nvd – Published: 2026-09-23 08:51 – Updated: 2026-09-23 14:10
VLAI
EPSS
VEX
Title
Tauri framework v2 missing updater signature version number validation can be exploited into forced downgrade
Summary
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.
Severity
5.9 (Medium)
SSVC
Exploitation: none
Automatable: no
Technical Impact: total
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-09-23 14:07 UTC
CWE
- CWE-354 - Improper Validation of Integrity Check Value
Assigner
References
4 references
| URL | Tags |
|---|---|
| https://github.com/tauri-apps/plugins-workspace/s… | issue-tracking |
| https://github.com/tauri-apps/plugins-workspace | product |
| https://github.com/tauri-apps/plugins-workspace/c… | patch |
| https://github.com/tauri-apps/plugins-workspace/r… | release-notes |
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| Tauri | tauri-plugin-updater |
Affected:
2.0.0 , < 2.12.0
(semver)
Affected: 2.12.0 , ≤ * (semver) |
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CVE-2026-95624 (GCVE-0-2026-95624)
Vulnerability from nvd – Published: 2026-09-22 17:16 – Updated: 2026-09-22 19:30
VLAI
EPSS
VEX
Title
Tauri framework v2 malicious downgrade via allow_downgrades from frontend code
Summary
The Tauri updater plugin's 'check' IPC command accepts an allowDowngrades boolean parameter directly from frontend JavaScript code. When set to true, it replaces the version comparator from "update must be newer" to "update must be different." Because the default permission set grants allow-check to the webview, any XSS in the app frontend can invoke this command and bypass the only anti-rollback protection the updater offers. Combined with another bug, this enables downgrade attacks without even needing to fake a higher version number.
Severity
6.8 (Medium)
SSVC
Exploitation: none
Automatable: no
Technical Impact: total
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-09-22 19:30 UTC
CWE
- CWE-284 - Improper Access Control
Assigner
References
4 references
| URL | Tags |
|---|---|
| https://github.com/tauri-apps/tauri/security/advi… | issue-tracking |
| https://github.com/tauri-apps/tauri | product |
| https://github.com/tauri-apps/plugins-workspace/c… | patch |
| https://github.com/tauri-apps/plugins-workspace/r… | release-notes |
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| Tauri | tauri-plugin-updater |
Affected:
2.8.0 , < 2.12.0
(semver)
|
Date Public
2026-09-23 10:14
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CVE-2026-95625 (GCVE-0-2026-95625)
Vulnerability from cvelistv5 – Published: 2026-09-23 08:51 – Updated: 2026-09-23 14:10
VLAI
EPSS
VEX
Title
Tauri framework v2 missing updater signature version number validation can be exploited into forced downgrade
Summary
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.
Severity
5.9 (Medium)
SSVC
Exploitation: none
Automatable: no
Technical Impact: total
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-09-23 14:07 UTC
CWE
- CWE-354 - Improper Validation of Integrity Check Value
Assigner
References
4 references
| URL | Tags |
|---|---|
| https://github.com/tauri-apps/plugins-workspace/s… | issue-tracking |
| https://github.com/tauri-apps/plugins-workspace | product |
| https://github.com/tauri-apps/plugins-workspace/c… | patch |
| https://github.com/tauri-apps/plugins-workspace/r… | release-notes |
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| Tauri | tauri-plugin-updater |
Affected:
2.0.0 , < 2.12.0
(semver)
Affected: 2.12.0 , ≤ * (semver) |
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CVE-2026-95624 (GCVE-0-2026-95624)
Vulnerability from cvelistv5 – Published: 2026-09-22 17:16 – Updated: 2026-09-22 19:30
VLAI
EPSS
VEX
Title
Tauri framework v2 malicious downgrade via allow_downgrades from frontend code
Summary
The Tauri updater plugin's 'check' IPC command accepts an allowDowngrades boolean parameter directly from frontend JavaScript code. When set to true, it replaces the version comparator from "update must be newer" to "update must be different." Because the default permission set grants allow-check to the webview, any XSS in the app frontend can invoke this command and bypass the only anti-rollback protection the updater offers. Combined with another bug, this enables downgrade attacks without even needing to fake a higher version number.
Severity
6.8 (Medium)
SSVC
Exploitation: none
Automatable: no
Technical Impact: total
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-09-22 19:30 UTC
CWE
- CWE-284 - Improper Access Control
Assigner
References
4 references
| URL | Tags |
|---|---|
| https://github.com/tauri-apps/tauri/security/advi… | issue-tracking |
| https://github.com/tauri-apps/tauri | product |
| https://github.com/tauri-apps/plugins-workspace/c… | patch |
| https://github.com/tauri-apps/plugins-workspace/r… | release-notes |
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| Tauri | tauri-plugin-updater |
Affected:
2.8.0 , < 2.12.0
(semver)
|
Date Public
2026-09-23 10:14
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