Description
A security issue was discovered in aws-iam-authenticator where an allow-listed IAM identity may be able to modify their username and escalate privileges.
Affected products
| Vendor | Product | Affected | Fixed |
|---|---|---|---|
| Kubernetes | aws-iam-authenticator | v0.5.2 – < unspecified, unspecified – < v0.5.9 | unspecified |
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.
SUSE
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| SLES 15 SP7 | aws-iam-authenticator | 0.7.18-150000.1.17.1 | SUSE-SU-2026:2643-1 |
| SLES 15 SP6 | aws-iam-authenticator | 0.7.18-150000.1.17.1 | SUSE-SU-2026:2643-1 |
| SLES 15 SP5 | aws-iam-authenticator | 0.7.18-150000.1.17.1 | SUSE-SU-2026:2643-1 |
| SLES 15 SP4 | aws-iam-authenticator | 0.5.3-150000.1.9.1 | SUSE-SU-2026:2643-1, SUSE-SU-2022:2583-1 |
| SLES 15 SP3 | aws-iam-authenticator | 0.5.3-150000.1.9.1 | SUSE-SU-2022:2583-1 |
Show 3 more (older releases, extended support, other products)Fewer releases
| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| SLES 15 SP2 | aws-iam-authenticator | 0.5.3-150000.1.9.1 | SUSE-SU-2022:2583-1 |
| SLES 15 SP1 | aws-iam-authenticator | 0.5.3-150000.1.9.1 | SUSE-SU-2022:2583-1 |
| SLES 15 | aws-iam-authenticator | 0.5.3-150000.1.9.1 | SUSE-SU-2022:2583-1 |
openSUSE
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| openSUSE Leap 15.4 | aws-iam-authenticator | 0.5.3-150000.1.9.1 | SUSE-SU-2022:2583-1 |
| openSUSE Leap 15.3 | aws-iam-authenticator | 0.5.3-150000.1.9.1 | SUSE-SU-2022:2583-1 |
Affected packages
| Ecosystem | Package | Affected | Fixed | Record |
|---|---|---|---|---|
| Go | sigs.k8s.io/aws-iam-authenticator | < 0.5.9 | 0.5.9 | GHSA-pp3f-98qg-5g75 |
Advisories 2
- SUSE-SU-2026:2643-1 Security update for aws-iam-authenticator SUSE / openSUSE Security Updates · Jun 27, 2026
- SUSE-SU-2022:2583-1 Security update for aws-iam-authenticator SUSE / openSUSE Security Updates · Feb 4, 2026