CVE-2026-26962
1 advisory.
RubyGems/rack CVE-2026-26962: medium 4.8
Rack's improper unfolding of folded multipart headers preserves CRLF in parsed parameter values
Action: Upgrade rack to 3.2.6 or later.
bundle update rackAffected
| introduced | fixed | last affected |
|---|---|---|
| 3.2.0 | 3.2.6 | - |
Fixed versions
| 3.2.6 |
Sources
- osv: GHSA-rx22-g9mx-qrhv
- https://github.com/rack/rack/security/advisories/GHSA-rx22-g9mx-qrhv
- https://nvd.nist.gov/vuln/detail/CVE-2026-26962
- https://github.com/rack/rack
- https://github.com/rubysec/ruby-advisory-db/blob/master/gems/rack/CVE-2026-26962.yml
CVE-2026-26962 · published · modified · JSON