| Name | CVE-2026-48489 |
| 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 |
|---|
| symfony (PTS) | bullseye | 4.4.19+dfsg-2+deb11u6 | vulnerable |
| bullseye (security) | 4.4.19+dfsg-2+deb11u7 | vulnerable |
| bookworm | 5.4.23+dfsg-1+deb12u5 | vulnerable |
| bookworm (security) | 5.4.23+dfsg-1+deb12u4 | vulnerable |
| trixie | 6.4.21+dfsg-2+deb13u1 | vulnerable |
| forky | 7.4.12+dfsg-1 | vulnerable |
| sid | 7.4.13+dfsg-1 | fixed |
The information below is based on the following data on fixed versions.
| Package | Type | Release | Fixed Version | Urgency | Origin | Debian Bugs |
|---|
| symfony | source | (unstable) | 7.4.13+dfsg-1 | | | |
Notes
https://symfony.com/blog/cve-2026-48489-security-firewall-bypass-via-failure-forward-subrequest
https://github.com/symfony/symfony/commit/c48a4276309e11aedeeb0ce3a89dfbf0b4fe04ff (v5.4.53)