# CVE-2020-36599: ruby-omniauth: lib/omniauth/failure_endpoint.rb in OmniAuth before 1.9.2 (and before 2.0) does not escape the message_key value.

CVE-2020-36599 is fixed in ruby-omniauth on 1 platform, first by DEBIAN-CVE-2020-36599, released August 18, 2022. It is not reported as exploited. Patch Radar priority: Urgent.

- Web page: https://patchblox.com/security/cve/CVE-2020-36599
- Priority: Urgent
- CVSS: 9.8 (critical)
- EPSS: 0.0120
- CISA KEV: not listed
- Exploited (vendor report): no
- Publicly disclosed: no
- Published: Aug 18, 2022

## Description

lib/omniauth/failure_endpoint.rb in OmniAuth before 1.9.2 (and before 2.0) does not escape the message_key value.

## Where it's fixed

| Platform | Product | Fixed in | Fix | Released |
|---|---|---|---|---|
| Linux | ruby-omniauth Debian 12.15 (bookworm) | 2.0.4-2 | [DEBIAN-CVE-2020-36599](https://patchblox.com/security/data/fix/linux/debian-cve-2020-36599.md) | Aug 18, 2022 |
| Linux | ruby-omniauth Debian 13.5 (trixie) | 2.0.4-2 | [DEBIAN-CVE-2020-36599](https://patchblox.com/security/data/fix/linux/debian-cve-2020-36599.md) | Aug 18, 2022 |
| Linux | ruby-omniauth Debian 14 | 2.0.4-2 | [DEBIAN-CVE-2020-36599](https://patchblox.com/security/data/fix/linux/debian-cve-2020-36599.md) | Aug 18, 2022 |

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