CVE-2020-36599 json
OmniAuth's `lib/omniauth/failure_endpoint.rb` does not escape `message_key` value
published 2022-08-18 4 y ago modified 2026-06-17 4 mo ago also GHSA-pm55-qfxr-h247 , EUVD-2022-6596
- cvss
- 9.8
- version 3.1, NVD
- cisa kev
- Not listed
- not in CISA's catalog
- epss
- 1.2%
- EPSS 1.2% chance of exploitation in 30 days, percentile 68%
- public exploits
- 0
- none known
Summary
lib/omniauth/failure_endpoint.rb in OmniAuth before 1.9.2 (and before 2.0) does not escape the message_key value.
Patch / fix
- rubygems omniauth 1.9.2, 2.0.0
- omniauth omniauth 1.9.2
- ruby-omniauth Debian 14, Debian 13, Debian 12 2.0.4-2
debian advisories DEBIAN-CVE-2020-36599
Exploit prediction
1.20% chance of exploitation in the next 30 days, higher than 68% of all scored CVEs (FIRST EPSS, 2026-11-08).
CVSS scores
| assigned by | version | score | vector |
|---|---|---|---|
| NVD | 3.1 | 9.8 | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H |
| GitHub | 3.1 | 9.8 | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H |
Affected packages
| ecosystem | package | affected | fixed in |
|---|---|---|---|
| rubygems | omniauth | <1.9.2 >=2.0.0.pre.rc1, <2.0.0 |
1.9.2 2.0.0 |
Classification
- Weakness
-
- CWE-116 Improper Encoding or Escaping of Output
References
-
github.com
/omniauth/omniauth/commit/43a396f181ef7d0ed2ec8291c939c95e3ed3ff00#diff-575abda9deb9b1a77bf534e898a923029b9a61
web, patch, third-party-advisory
-
rubygems.org
/gems/omniauth/versions/1.9.2
web, product
-
nvd.nist.gov
/vuln/detail/CVE-2020-36599
advisory
-
github.com
/omniauth/omniauth
package
-
github.com
/rubysec/ruby-advisory-db/blob/master/gems/omniauth/CVE-2020-36599.yml
web
Sources
- CVE List CVE-2020-36599
- GitHub Advisory GHSA-pm55-qfxr-h247
- NVD CVE-2020-36599
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