CVE-2026-33222

NameCVE-2026-33222
DescriptionNATS-Server is a High-Performance server for NATS.io, a cloud and edge native messaging system. Prior to versions 2.11.15 and 2.12.6, users with JetStream admin API access to restore one stream could restore to other stream names, impacting data which should have been protected against them. Versions 2.11.15 and 2.12.6 contain a fix. As a workaround, if developers have configured users to have limited JetStream restore permissions, temporarily remove those permissions.
SourceCVE (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 PackageReleaseVersionStatus
nats-server (PTS)bookworm2.9.10-1vulnerable
trixie2.10.27-1vulnerable
forky2.12.4-1vulnerable
sid2.12.6-1vulnerable

The information below is based on the following data on fixed versions.

PackageTypeReleaseFixed VersionUrgencyOriginDebian Bugs
nats-serversource(unstable)(unfixed)

Notes

https://github.com/nats-io/nats-server/security/advisories/GHSA-9983-vrx2-fg9c
https://advisories.nats.io/CVE/secnote-2026-12.txt

Search for package or bug name: Reporting problems