opensearch-ruby 2.x before 2.0.2 vulnerable to unsafe YAML deserialization

Not analysed yet

We haven’t published our analysis of this Advisory yet. Once a person has reviewed it, this page will say what’s vulnerable, what has to be true for your app to be affected, and how to check.

Severity and exploitation

• CISA KEV Not listed.
• EPSS 0.016, the 76th percentile, on 9 Nov 2026: FIRST’s estimate of the chance of exploitation in the next 30 days.

Timeline

This record came from the full history of the GitHub Advisory Database, published 5 Jul 2022. New records show when each source confirmed them.

Sources

• GitHub Advisory Database: GHSA-977c-63xq-cgw3
• OSV: GHSA-977c-63xq-cgw3
• github.com/opensearch-project/opensearch-ruby/security/advisories/GHSA-977c-63xq-cgw3
• nvd.nist.gov/vuln/detail/CVE-2022-31115
• github.com/opensearch-project/opensearch-ruby/pull/77
• github.com/opensearch-project/opensearch-ruby/commit/d74a98b45c037671e8819fa87f6a6423458ab08a
• github.com/opensearch-project/opensearch-ruby
• github.com/opensearch-project/opensearch-ruby/compare/v2.0.1...v2.0.2
• github.com/rubysec/ruby-advisory-db/blob/master/gems/opensearch-ruby/CVE-2022-31115.yml
• staaldraad.github.io/post/2021-01-09-universal-rce-ruby-yaml-load-updated

Facts on this page come from the GitHub Advisory Database (CC-BY 4.0), OSV and the other sources listed, as published. We don’t reproduce full advisory descriptions, which can contain exploit code.