MODERATERubyGems →
Rails Active Support has a possible XSS vulnerability in SafeBuffer#%
Rails Active Support has a possible XSS vulnerability in SafeBuffer#%
Affected packages
- activesupport— 8.1.0.beta1 → 8.1.2.1
Exploit signal
- Known exploited (CISA KEV)
- No
- EPSS score
- —
- EPSS percentile
- —
EPSS is the probability a CVE is exploited in the wild; percentile is its rank among all CVEs.
Sources
- https://github.com/rails/rails/security/advisories/GHSA-89vf-4333-qx8v
- https://nvd.nist.gov/vuln/detail/CVE-2026-33170
- https://github.com/rails/rails/commit/50d732af3b7c8aaf63cbcca0becbc00279b215b7
- https://github.com/rails/rails/commit/6e8a81108001d58043de9e54a06fca58962fc2db
- https://github.com/rails/rails/commit/c1ad0e8e1972032f3395853a5e99cea035035beb
- https://github.com/rails/rails
- https://github.com/rails/rails/releases/tag/v7.2.3.1
- https://github.com/rails/rails/releases/tag/v8.0.4.1
- https://github.com/rails/rails/releases/tag/v8.1.2.1
- https://github.com/rubysec/ruby-advisory-db/blob/master/gems/activesupport/CVE-2026-33170.yml
Structured record: https://osv.dev/vulnerability/GHSA-89vf-4333-qx8v
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