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6 vulnerabilities by Sonarr
CVE-2026-30975 (GCVE-0-2026-30975)
Vulnerability from nvd – Published: 2026-03-25 21:08 – Updated: 2026-03-26 15:23
VLAI
Title
Sonarr Authentication Bypass vulnerability
Summary
Sonarr is a PVR for Usenet and BitTorrent users. Versions prior to 4.0.16.2942 have an authentication bypass that affected users that had disabled authentication for local addresses (Authentication Required set to: `Disabled for Local Addresses`) without a reverse proxy running in front of Sonarr that didn't not pass through the invalid header. Patches are available in version 4.0.16.2942 in the nightly/develop branch and version 4.0.16.2944 for stable/main releases. Some workarounds are available. Make sure Sonarr's Authentication Required setting is set to `Enabled`, run Sonarr behind a reverse proxy, and/or do not expose Sonarr directly to the internet and instead rely on accessing it through a VPN, Tailscale or a similar solution.
Severity
8.1 (High)
SSVC
Exploitation: none
Automatable: no
Technical Impact: total
CISA Coordinator (v2.0.3)
CWE
- CWE-290 - Authentication Bypass by Spoofing
Assigner
References
3 references
| URL | Tags |
|---|---|
| https://github.com/Sonarr/Sonarr/security/advisor… | x_refsource_CONFIRM |
| https://github.com/Sonarr/Sonarr/releases/tag/v4.… | x_refsource_MISC |
| https://github.com/Sonarr/Sonarr/releases/tag/v4.… | x_refsource_MISC |
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CVE-2026-30976 (GCVE-0-2026-30976)
Vulnerability from nvd – Published: 2026-03-25 21:11 – Updated: 2026-03-26 17:53
VLAI
Title
Sonarr Path Traversal vulnerability
Summary
Sonarr is a PVR for Usenet and BitTorrent users. In versions on the 4.x branch prior to 4.0.17.2950, an unauthenticated remote attacker can potentially read any file readable by the Sonarr process. These include application configuration files (containing API keys and database credentials), Windows system files, and any user-accessible files on the same drive This issue only impacts Windows systems; macOS and Linux are unaffected. Files returned from the API were not limited to the directory on disk they were intended to be served from. This problem has been patched in 4.0.17.2950 in the nightly/develop branch or 4.0.17.2952 for stable/main releases. It's possible to work around the issue by only hosting Sonarr on a secure internal network and accessing it via VPN, Tailscale or similar solution outside that network.
Severity
8.6 (High)
SSVC
Exploitation: none
Automatable: yes
Technical Impact: partial
CISA Coordinator (v2.0.3)
CWE
- CWE-22 - Improper Limitation of a Pathname to a Restricted Directory ('Path Traversal')
Assigner
References
3 references
| URL | Tags |
|---|---|
| https://github.com/Sonarr/Sonarr/security/advisor… | x_refsource_CONFIRM |
| https://github.com/Sonarr/Sonarr/releases/tag/v4.… | x_refsource_MISC |
| https://github.com/Sonarr/Sonarr/releases/tag/v4.… | x_refsource_MISC |
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CVE-2024-45247 (GCVE-0-2024-45247)
Vulnerability from nvd – Published: 2024-10-06 11:52 – Updated: 2024-10-07 15:25
VLAI
Title
Sonarr – CWE-601: URL Redirection to Untrusted Site ('Open Redirect')
Summary
Sonarr – CWE-601: URL Redirection to Untrusted Site ('Open Redirect')
Severity
6.1 (Medium)
SSVC
Exploitation: none
Automatable: no
Technical Impact: partial
CISA Coordinator (v2.0.3)
CWE
- CWE-601 - URL Redirection to Untrusted Site ('Open Redirect')
Assigner
References
1 reference
Impacted products
Date Public
2024-10-06 11:46
Credits
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CVE-2026-30976 (GCVE-0-2026-30976)
Vulnerability from cvelistv5 – Published: 2026-03-25 21:11 – Updated: 2026-03-26 17:53
VLAI
Title
Sonarr Path Traversal vulnerability
Summary
Sonarr is a PVR for Usenet and BitTorrent users. In versions on the 4.x branch prior to 4.0.17.2950, an unauthenticated remote attacker can potentially read any file readable by the Sonarr process. These include application configuration files (containing API keys and database credentials), Windows system files, and any user-accessible files on the same drive This issue only impacts Windows systems; macOS and Linux are unaffected. Files returned from the API were not limited to the directory on disk they were intended to be served from. This problem has been patched in 4.0.17.2950 in the nightly/develop branch or 4.0.17.2952 for stable/main releases. It's possible to work around the issue by only hosting Sonarr on a secure internal network and accessing it via VPN, Tailscale or similar solution outside that network.
Severity
8.6 (High)
SSVC
Exploitation: none
Automatable: yes
Technical Impact: partial
CISA Coordinator (v2.0.3)
CWE
- CWE-22 - Improper Limitation of a Pathname to a Restricted Directory ('Path Traversal')
Assigner
References
3 references
| URL | Tags |
|---|---|
| https://github.com/Sonarr/Sonarr/security/advisor… | x_refsource_CONFIRM |
| https://github.com/Sonarr/Sonarr/releases/tag/v4.… | x_refsource_MISC |
| https://github.com/Sonarr/Sonarr/releases/tag/v4.… | x_refsource_MISC |
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CVE-2026-30975 (GCVE-0-2026-30975)
Vulnerability from cvelistv5 – Published: 2026-03-25 21:08 – Updated: 2026-03-26 15:23
VLAI
Title
Sonarr Authentication Bypass vulnerability
Summary
Sonarr is a PVR for Usenet and BitTorrent users. Versions prior to 4.0.16.2942 have an authentication bypass that affected users that had disabled authentication for local addresses (Authentication Required set to: `Disabled for Local Addresses`) without a reverse proxy running in front of Sonarr that didn't not pass through the invalid header. Patches are available in version 4.0.16.2942 in the nightly/develop branch and version 4.0.16.2944 for stable/main releases. Some workarounds are available. Make sure Sonarr's Authentication Required setting is set to `Enabled`, run Sonarr behind a reverse proxy, and/or do not expose Sonarr directly to the internet and instead rely on accessing it through a VPN, Tailscale or a similar solution.
Severity
8.1 (High)
SSVC
Exploitation: none
Automatable: no
Technical Impact: total
CISA Coordinator (v2.0.3)
CWE
- CWE-290 - Authentication Bypass by Spoofing
Assigner
References
3 references
| URL | Tags |
|---|---|
| https://github.com/Sonarr/Sonarr/security/advisor… | x_refsource_CONFIRM |
| https://github.com/Sonarr/Sonarr/releases/tag/v4.… | x_refsource_MISC |
| https://github.com/Sonarr/Sonarr/releases/tag/v4.… | x_refsource_MISC |
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CVE-2024-45247 (GCVE-0-2024-45247)
Vulnerability from cvelistv5 – Published: 2024-10-06 11:52 – Updated: 2024-10-07 15:25
VLAI
Title
Sonarr – CWE-601: URL Redirection to Untrusted Site ('Open Redirect')
Summary
Sonarr – CWE-601: URL Redirection to Untrusted Site ('Open Redirect')
Severity
6.1 (Medium)
SSVC
Exploitation: none
Automatable: no
Technical Impact: partial
CISA Coordinator (v2.0.3)
CWE
- CWE-601 - URL Redirection to Untrusted Site ('Open Redirect')
Assigner
References
1 reference
Impacted products
Date Public
2024-10-06 11:46
Credits
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