Is rack affected by CVE-2024-26146?

RubyGems rack is affected in >=3.0.0 =2.2.0 =2.1.0 <2.1.4.4, <2.0.9.4.

Is CVE-2024-26146 being exploited?

Not on the CISA KEV list. EPSS exploit probability is 2.0%.

low

CVE-2024-26146

Q: Is CVE-2024-26146 being exploited?

Not on the CISA KEV list. EPSS exploit probability is 2.0%.

RubyGems · rack

Summary

Rack Header Parsing leads to Possible Denial of Service Vulnerability

Severity: low
EPSS: 2.0% (p78)
Also known as: GHSA-54rr-7fvw-6x8f
Published: 2024-02-28

References

https://github.com/rack/rack/security/advisories/GHSA-54rr-7fvw-6x8f
https://nvd.nist.gov/vuln/detail/CVE-2024-26146
https://github.com/rack/rack/commit/30b8e39a578b25d4bdcc082c1c52c6f164b59716

Related advisories

CVE-2022-30123 — critical · RubyGems/rack
CVE-2026-34829 — high · RubyGems/rack
CVE-2026-34230 — high · RubyGems/rack
CVE-2026-34827 — high · RubyGems/rack
CVE-2026-34785 — high · RubyGems/rack
CVE-2026-22860 — high · RubyGems/rack
CVE-2025-61919 — high · RubyGems/rack
CVE-2025-61772 — high · RubyGems/rack

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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.