GHSA-j6w9-fv6q-3q52: rack fixed in 2.2.3 and 2.1.4

GHSA-j6w9-fv6q-3q52 PUBLISHED CVSS 7.5 HIGH

Rack allows Percent-encoded cookies to overwrite existing prefixed cookie names

Record from GitHub Advisory Database · Published June 24, 2020

rack is fixed in 2.2.3 and 2.1.4 (RubyGems)

Rack allows Percent-encoded cookies to overwrite existing prefixed cookie names

Fixed versions

Upgrade to a fixed version or later. Language registries are listed first, then Linux distributions, then vendor products.

Package	Ecosystem	Fixed in
rack	RubyGems	2.2.3, 2.1.4

Risk scores

CVSS 3.1

7.5

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N

Affected products

Vendor	Product	Versions
RubyGems	rack	0, 2.2.0

Timeline

Jun 24, 2020 CVE Published
Apr 30, 2026 Security Advisory

Query this with the API

The same record, from the CLI:

vulnetix vdb vuln GHSA-j6w9-fv6q-3q52
vulnetix vdb fixes GHSA-j6w9-fv6q-3q52

Or with curl, using the org id and key from your account page:

curl -s -H "Authorization: ApiKey ${VULNETIX_ORG_ID}:${VULNETIX_API_KEY}" \
  "https://api.vdb.vulnetix.com/v2/vuln/GHSA-j6w9-fv6q-3q52/fixes/registry"

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References

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