Description
The JWT library in NATS nats-server before 2.1.9 has Incorrect Access Control because of how expired credentials are handled.
Fixed in Linux distributions
Distributions backport fixes, so the version that fixes this vulnerability differs per release — upgrade to at least the version shown. From the distributions' security trackers and advisories.
Debian
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Debian 14 | golang-github-nats-io-jwt | 2.2.0-1 | — |
| Debian 13 | golang-github-nats-io-jwt | 2.2.0-1 | — |
| Debian 12 | golang-github-nats-io-jwt | 2.2.0-1 | — |
Ubuntu
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Ubuntu 22.04 LTS | golang-github-nats-io-jwt | No fix yet | — |
| Ubuntu 20.04 LTS | golang-github-nats-io-jwt | No fix yet | — |
Affected packages
| Ecosystem | Package | Affected | Fixed | Record |
|---|---|---|---|---|
| Go | github.com/nats-io/jwt | < 1.1.0 | 1.1.0 | GHSA-4w5x-x539-ppf5 |
| Go | github.com/nats-io/nats-server/v2 | < 2.1.9 | 2.1.9 | GHSA-2c64-vj8g-vwrq |