| Name | CVE-2026-66066 |
| Description | Possible arbitrary file read and remote code execution in Active Storage variant processing |
| Source | CVE (at NVD; CERT, ENISA, LWN, oss-sec, fulldisc, Debian ELTS, Red Hat, Ubuntu, Gentoo, SUSE bugzilla/CVE, GitHub advisories/code/issues, web search, more) |
| Debian Bugs | 1143080 |
Vulnerable and fixed packages
The table below lists information on source packages.
| Source Package | Release | Version | Status |
|---|
| rails (PTS) | bullseye | 2:6.0.3.7+dfsg-2+deb11u2 | vulnerable |
| bullseye (security) | 2:6.0.3.7+dfsg-2+deb11u5 | vulnerable |
| bookworm, bookworm (security) | 2:6.1.7.10+dfsg-1~deb12u2 | vulnerable |
| trixie (security), trixie | 2:7.2.2.2+dfsg-2~deb13u1 | vulnerable |
| forky, sid | 2:7.2.3.1+dfsg-1 | vulnerable |
The information below is based on the following data on fixed versions.
| Package | Type | Release | Fixed Version | Urgency | Origin | Debian Bugs |
|---|
| rails | source | (unstable) | (unfixed) | | | 1143080 |
Notes
https://github.com/rails/rails/security/advisories/GHSA-xr9x-r78c-5hrm
Fixed by: https://github.com/rails/rails/commit/d79b7f4aa17dec8ce4960fef05733c8c0c7ef49a (v7.2.3.2)