Description
jwt-go before 4.0.0-preview1 allows attackers to bypass intended access restrictions in situations with []string{} for m["aud"] (which is allowed by the specification). Because the type assertion fails, "" is the value of aud. This is a security problem if the JWT token is presented to a service that lacks its own audience check.
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 12 | golang-github-dgrijalva-jwt-go | 3.2.0-3 | — |
Ubuntu
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Ubuntu 26.10 | golang-github-coreos-discovery-etcd-io | No fix yet | — |
| Ubuntu 26.04 LTS | golang-github-coreos-discovery-etcd-io | No fix yet | — |
| Ubuntu 25.10 | golang-github-coreos-discovery-etcd-io | No fix yet | — |
| Ubuntu 24.04 LTS | golang-github-coreos-discovery-etcd-io | No fix yet | — |
| Ubuntu 22.04 LTS | golang-github-coreos-discovery-etcd-io | No fix yet | — |
Show 3 more (older releases, extended support, other products)Fewer releases
| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Ubuntu 20.04 LTS | golang-github-dgrijalva-jwt-go +1 | No fix yet | — |
| Ubuntu 18.04 LTS | golang-github-dgrijalva-jwt-go | No fix yet | — |
| Ubuntu 16.04 LTS | golang-github-dgrijalva-jwt-go | No fix yet | — |
Red Hat
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Red Hat Openshift Container Storage 4 | mcg | 5.7.0-69.85e2026.5.7.el8 | RHSA-2021:2042 |
openSUSE
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| openSUSE Tumbleweed | telegraf | 1.19.0-1.2 | openSUSE-SU-2024:11428-1 |
| openSUSE Tumbleweed | velero-plugin-for-microsoft-azure | 1.3.1-1.1 | openSUSE-SU-2024:11668-1 |
Alpine
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Alpine v3.24 | gitea | 1.14.6-r0 | — |
| Alpine v3.23 | gitea | 1.14.6-r0 | — |
| Alpine v3.22 | gitea | 1.14.6-r0 | — |
| Alpine v3.21 | gitea | 1.14.6-r0 | — |
| Alpine v3.20 | gitea | 1.14.6-r0 | — |
Show 6 more (older releases, extended support, other products)Fewer releases
| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Alpine v3.19 | gitea | 1.14.6-r0 | — |
| Alpine v3.18 | gitea | 1.14.6-r0 | — |
| Alpine v3.17 | gitea | 1.14.6-r0 | — |
| Alpine v3.16 | gitea | 1.14.6-r0 | — |
| Alpine v3.15 | gitea | 1.14.6-r0 | — |
| Alpine v3.14 | gitea | 1.14.6-r0 | — |
Azure Linux
| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Azure Linux 3 | dcos-cli | 1.2.0-15 | — |
Wolfi
| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Wolfi rolling | dgraph | 24.0.0-r0 | — |
| Wolfi rolling | docker-credential-acr-env | 0.7.0-r26 | — |
| Wolfi rolling | gitness | 3.0.0_beta5-r0 | — |
Public exploits
Exploit or proof-of-concept code for this vulnerability is publicly available, which lowers the bar for attackers. Treat it as a reason to patch sooner.
GitHub 1 repository
-
mlbrilliance/aurora-demo-lockfile ★ 0 · May 11, 2026
AURORA demo target — deliberately vulnerable lockfiles (CVE-2019-10744, CVE-2018-18074, CVE-2020-26160)
Sources: PoC-in-GitHub, Metasploit Framework, Exploit-DB — updated daily. Only links are listed; no exploit code is hosted here.
Affected packages
| Ecosystem | Package | Affected | Fixed | Record |
|---|---|---|---|---|
| Go | github.com/dgrijalva/jwt-go | >= 0.0.0-20150717181359-44718f8a89b0, <= 3.2.0 | — | GHSA-w73w-5m7g-f7qc |
| Go | github.com/dgrijalva/jwt-go | >= 0.0.0-20150717181359-44718f8a89b0 | — | GO-2020-0017 |
| Go | github.com/dgrijalva/jwt-go/v4 | < 4.0.0-preview1 | 4.0.0-preview1 | GHSA-w73w-5m7g-f7qc |
Advisories 4
- RHSA-2021:2042 Red Hat Security Advisory: Red Hat OpenShift Container Storage 4.7 RPM security, bug fix, and enhancement update Red Hat Security Advisories (RHSA) · Oct 17, 2026
- WID-SEC-2022-0510 IBM DB2: Mehrere Schwachstellen BSI CERT-Bund (WID) · May 18, 2026
- openSUSE-SU-2024:11668-1 velero-plugin-for-microsoft-azure-1.3.1-1.1 on GA media SUSE / openSUSE Security Updates · Feb 4, 2026
- openSUSE-SU-2024:11428-1 telegraf-1.19.0-1.2 on GA media SUSE / openSUSE Security Updates · Feb 4, 2026