CVE-2026-122006

Name	CVE-2026-122006
Description	The activestorage gem before 8.1.4.1 for Ruby on Rails, when ImageMagick attachment processing occurs, can allow server read and write operations (e.g., reading secret_key_base) because the ImageMagick analyzer runs when a file is attached, and there is not an ImageMagick security policy to block unintended functionality.
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)

Vulnerable and fixed packages

The table below lists information on source packages.

Source Package	Release	Version	Status
rails (PTS)	bookworm	2:6.1.7.10+dfsg-1~deb12u2	vulnerable
	bookworm (security)	2:6.1.7.10+dfsg-1~deb12u3	vulnerable
	trixie	2:7.2.2.2+dfsg-2~deb13u1	vulnerable
	trixie (security)	2:7.2.2.2+dfsg-2~deb13u2	vulnerable
	forky	2:7.2.4+dfsg-1	vulnerable
	sid	2:7.2.4+dfsg-2	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)

https://github.com/rails/rails/security/advisories/GHSA-f3w6-w445-fwh9