CVE-2026-27142
Public on 2026-03-06
Modified on 2026-03-12
Description
Actions which insert URLs into the content attribute of HTML meta tags are not escaped. This can allow XSS if the meta tag also has an http-equiv attribute with the value "refresh". A new GODEBUG setting has been added, htmlmetacontenturlescape, which can be used to disable escaping URLs in actions in the meta content attribute which follow "url=" by setting htmlmetacontenturlescape=0.
Severity
See what this means
CVSS v3 Base Score
See breakdown
Affected Packages
| Platform | Package | Release Date | Advisory | Status |
|---|---|---|---|---|
| Amazon Linux 2 - Core | amazon-cloudwatch-agent | 2026-04-14 | ALAS2-2026-3248 | Fixed |
| Amazon Linux 2023 | amazon-cloudwatch-agent | 2026-04-13 | ALAS2023-2026-1572 | Fixed |
| Amazon Linux 2 - Aws-nitro-enclaves-cli Extra | amazon-ecr-credential-helper | 2026-04-14 | ALAS2NITRO-ENCLAVES-2026-095 | Fixed |
| Amazon Linux 2 - Docker Extra | amazon-ecr-credential-helper | 2026-04-14 | ALAS2DOCKER-2026-109 | Fixed |
| Amazon Linux 2 - Ecs Extra | amazon-ecr-credential-helper | 2026-04-14 | ALAS2ECS-2026-103 | Fixed |
| Amazon Linux 2023 | amazon-ecr-credential-helper | 2026-04-13 | ALAS2023-2026-1574 | Fixed |
| Amazon Linux 2 - Core | cni-plugins | Pending Fix | ||
| Amazon Linux 2023 | cni-plugins | Pending Fix | ||
| Amazon Linux 2 - Aws-nitro-enclaves-cli Extra | containerd | 2026-02-19 | ALAS2NITRO-ENCLAVES-2026-092 | Fixed |
| Amazon Linux 2 - Docker Extra | containerd | 2026-04-14 | ALAS2DOCKER-2026-104 | Fixed |
| Amazon Linux 2 - Ecs Extra | containerd | 2026-04-14 | ALAS2ECS-2026-102 | Fixed |
| Amazon Linux 2023 | containerd | 2026-04-13 | ALAS2023-2026-1534 | Fixed |
| Amazon Linux 2023 | credentials-fetcher | 2026-04-01 | ALAS2023-2026-1501 | Fixed |
| Amazon Linux 2 - Core | cri-tools | Pending Fix | ||
| Amazon Linux 2 - Aws-nitro-enclaves-cli Extra | docker | 2026-04-14 | ALAS2NITRO-ENCLAVES-2026-094 | Fixed |
| Amazon Linux 2 - Docker Extra | docker | 2026-04-14 | ALAS2DOCKER-2026-108 | Fixed |
| Amazon Linux 2 - Ecs Extra | docker | 2026-04-14 | ALAS2ECS-2026-106 | Fixed |
| Amazon Linux 2023 | docker | 2026-04-13 | ALAS2023-2026-1571 | Fixed |
| Amazon Linux 2 - Ecs Extra | ecs-init | 2026-04-14 | ALAS2ECS-2026-101 | Fixed |
| Amazon Linux 2023 | ecs-init | 2026-04-13 | ALAS2023-2026-1552 | Fixed |
| Amazon Linux 2 - Core | golang | 2026-03-19 | ALAS2-2026-3203 | Fixed |
| Amazon Linux 2023 | golang | 2026-03-27 | ALAS2023-2026-1482 | Fixed |
| Amazon Linux 2 - Core | golang-github-cpuguy83-go-md2man | Not Affected | ||
| Amazon Linux 2 - Core | golist | 2026-03-19 | ALAS2-2026-3202 | Fixed |
| Amazon Linux 2023 | golist | 2026-04-01 | ALAS2023-2026-1513 | Fixed |
| Amazon Linux 2023 | libcap | Pending Fix | ||
| Amazon Linux 2 - Core | nerdctl | 2026-04-14 | ALAS2-2026-3229 | Fixed |
| Amazon Linux 2023 | nerdctl | 2026-04-13 | ALAS2023-2026-1535 | Fixed |
| Amazon Linux 2 - Aws-nitro-enclaves-cli Extra | oci-add-hooks | 2026-04-14 | ALAS2NITRO-ENCLAVES-2026-096 | Fixed |
| Amazon Linux 2 - Docker Extra | oci-add-hooks | 2026-04-14 | ALAS2DOCKER-2026-110 | Fixed |
| Amazon Linux 2 - Ecs Extra | oci-add-hooks | 2026-04-14 | ALAS2ECS-2026-104 | Fixed |
| Amazon Linux 2023 | oci-add-hooks | 2026-04-13 | ALAS2023-2026-1575 | Fixed |
| Amazon Linux 2 - Aws-nitro-enclaves-cli Extra | runc | 2026-04-14 | ALAS2NITRO-ENCLAVES-2026-093 | Fixed |
| Amazon Linux 2 - Docker Extra | runc | 2026-04-14 | ALAS2DOCKER-2026-105 | Fixed |
| Amazon Linux 2 - Ecs Extra | runc | 2026-04-14 | ALAS2ECS-2026-105 | Fixed |
| Amazon Linux 2023 | runc | 2026-04-13 | ALAS2023-2026-1541 | Fixed |
| Amazon Linux 2 - Docker Extra | runfinch-finch | 2026-02-19 | ALAS2DOCKER-2026-103 | Fixed |
| Amazon Linux 2023 | runfinch-finch | 2026-04-01 | ALAS2023-2026-1507 | Fixed |
| Amazon Linux 2 - Docker Extra | soci-snapshotter | 2026-04-14 | ALAS2DOCKER-2026-107 | Fixed |
| Amazon Linux 2023 | soci-snapshotter | 2026-04-13 | ALAS2023-2026-1573 | Fixed |
| Amazon Linux 2023 | yq | 2026-04-13 | ALAS2023-2026-1582 | Fixed |
CVSS Scores
| Score Type | Score | Vector | |
|---|---|---|---|
| Amazon Linux | CVSSv3 | 6.1 | CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N |