CVE-2023-47090

Name	CVE-2023-47090
Description	NATS nats-server before 2.9.23 and 2.10.x before 2.10.2 has an authentication bypass. An implicit $G user in an authorization block can sometimes be used for unauthenticated access, even when the intention of the configuration was for each user to have an account. The earliest affected version is 2.2.0.
Source	CVE (at NVD; CERT, LWN, oss-sec, fulldisc, 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
nats-server (PTS)	bookworm	2.9.10-1	vulnerable
	sid, trixie	2.10.18-1	fixed

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

Package	Type	Release	Fixed Version	Urgency	Origin	Debian Bugs
nats-server	source	(unstable)	2.10.3-1

Notes

[bookworm] - nats-server <no-dsa> (Minor issue)
https://advisories.nats.io/CVE/secnote-2023-01.txt
https://github.com/nats-io/nats-server/security/advisories/GHSA-fr2g-9hjm-wr23