CVE-2022-28357 NATS nats-server allows directory traversal via unintended path to a management action

What is CVE-2022-28357?

CVE-2022-28357 is a critical path traversal vulnerability in n/a, published on 19 Sep 2023. An attacker can exploit it over the internet without logging in, with no action from the victim.

Official description

NATS nats-server 2.2.0 through 2.7.4 allows directory traversal because of an unintended path to a management action from a management account.

Weakness: CWE-22

Which versions are affected by CVE-2022-28357?

4 open source packages ship an affected version, including github.com/nats-io/nats-server and github.com/nats-io/nats-server/v2. It affects 1 product.

Products include Linuxfoundation Nats-Server.

How do I fix CVE-2022-28357?

Upgrade github.com/nats-io/nats-server to 2.7.4 or later.

Upgrade, and resolve every user-supplied path against an allowed base folder before opening it. More about Path traversal.

Is CVE-2022-28357 being exploited?

There is no known exploitation of CVE-2022-28357 in the wild and no public exploit code.

Other vulnerabilities in n/a

• CVE-2026-58253 NATS Server: Route API Auth Bypass High 8.8
• CVE-2022-24450 Incorrect Authorization in NATS nats-server High 8.8
• CVE-2026-33216 NATS has MQTT plaintext password disclosure High 8.6
• CVE-2026-58207 NATS Server: Remote crash via integer overflow in Connz pagination High 7.7
• CVE-2026-58210 NATS Server: MQTT partial CONNECT packets can exhaust pre-auth memory High 7.5

Sources

• CVE record
• NVD
• OSV
• GitHub advisory
• How this page is made

Also known as GHSA-vpjc-4jcv-jc29, GO-2023-2066, UBUNTU-CVE-2022-28357.