Is activestorage affected by CVE-2026-33658?

RubyGems activestorage is affected in >=8.1.0 =8.0.0 <8.0.4.1, <7.2.3.1.

Is CVE-2026-33658 being exploited?

Not on the CISA KEV list. EPSS exploit probability is 0.4%.

low

CVE-2026-33658

Q: Is CVE-2026-33658 being exploited?

Not on the CISA KEV list. EPSS exploit probability is 0.4%.

RubyGems · activestorage

Summary

Rails Active Storage has a possible DoS vulnerability in proxy mode via multi-range requests

Severity: low
EPSS: 0.4% (p35)
Also known as: GHSA-p9fm-f462-ggrg
Published: 2026-03-25

References

Related advisories

CVE-2025-24293 — critical · RubyGems/activestorage
CVE-2022-21831 — critical · RubyGems/activestorage
CVE-2026-33195 — high · RubyGems/activestorage
CVE-2020-8162 — high · RubyGems/activestorage
CVE-2026-33202 — medium · RubyGems/activestorage
CVE-2026-33174 — medium · RubyGems/activestorage
CVE-2026-33173 — medium · RubyGems/activestorage
CVE-2024-26144 — medium · RubyGems/activestorage

Is your project exposed to this? Stateward checks every dependency on every pull request and flags it only if your code actually reaches it.

Check my repo

Summarize with AI

ChatGPT Claude Perplexity

Sources: CISA KEV (public domain), OSV.dev & GitHub Advisory Database (CC-BY-4.0), FIRST EPSS, NVD/CWE (public domain). Served live from the Stateward advisory database.