CVE-2026-42506

Public on 2026-05-22
Modified on 2026-09-11
Description
Parsing arbitrary HTML which is then rendered using Render can result in an unexpected HTML tree. This can be leveraged to execute XSS attacks in applications that attempt to sanitize input HTML before rendering.
Severity
Medium severity
Medium
See what this means
CVSS v3 Base Score
6.1
See breakdown

Affected Packages

Platform Package Release Date Advisory Status
Amazon Linux 2 - Core amazon-cloudwatch-agent No Fix Planned
Amazon Linux 2023 amazon-cloudwatch-agent No Fix Planned
Amazon Linux 2027 Preview amazon-cloudwatch-agent Not Affected
Amazon Linux 2 - Aws-nitro-enclaves-cli Extra amazon-ecr-credential-helper Not Affected
Amazon Linux 2 - Docker Extra amazon-ecr-credential-helper Not Affected
Amazon Linux 2 - Ecs Extra amazon-ecr-credential-helper Not Affected
Amazon Linux 2023 amazon-ecr-credential-helper Not Affected
Amazon Linux 2027 Preview amazon-ecr-credential-helper Not Affected
Amazon Linux 2 - Core amazon-ssm-agent Not Affected
Amazon Linux 2023 amazon-ssm-agent Not Affected
Amazon Linux 2027 Preview amazon-ssm-agent Not Affected
Amazon Linux 2 - Core cni-plugins No Fix Planned
Amazon Linux 2023 cni-plugins No Fix Planned
Amazon Linux 2027 Preview cni-plugins Not Affected
Amazon Linux 2 - Docker Extra containerd 2026-06-22 ALAS2DOCKER-2026-130 Fixed
Amazon Linux 2 - Ecs Extra containerd 2026-07-20 ALAS2ECS-2026-132 Fixed
Amazon Linux 2 - Aws-nitro-enclaves-cli Extra containerd 2026-06-22 ALAS2NITRO-ENCLAVES-2026-111 Fixed
Amazon Linux 2023 containerd 2026-06-22 ALAS2023-2026-1847 Fixed
Amazon Linux 2027 Preview containerd Not Affected
Amazon Linux 2023 credentials-fetcher 2026-06-22 ALAS2023-2026-1885 Fixed
Amazon Linux 2027 Preview credentials-fetcher Not Affected
Amazon Linux 2 - Core cri-tools No Fix Planned
Amazon Linux 2 - Docker Extra docker 2026-06-12 ALAS2DOCKER-2026-129 Fixed
Amazon Linux 2 - Ecs Extra docker 2026-07-27 ALAS2ECS-2026-133 Fixed
Amazon Linux 2 - Aws-nitro-enclaves-cli Extra docker 2026-06-12 ALAS2NITRO-ENCLAVES-2026-110 Fixed
Amazon Linux 2023 docker 2026-06-12 ALAS2023-2026-1835 Fixed
Amazon Linux 2027 Preview docker Not Affected
Amazon Linux 2 - Ecs Extra ecs-init 2026-07-08 ALAS2ECS-2026-127 Fixed
Amazon Linux 2023 ecs-init 2026-07-07 ALAS2023-2026-1902 Fixed
Amazon Linux 2027 Preview ecs-init Not Affected
Amazon Linux 2023 git-lfs No Fix Planned
Amazon Linux 2027 Preview git-lfs Not Affected
Amazon Linux 2 - Core golang Not Affected
Amazon Linux 2023 golang Not Affected
Amazon Linux 2027 Preview golang Not Affected
Amazon Linux 2023 golang-github-burntsushi-toml Not Affected
Amazon Linux 2027 Preview golang-github-burntsushi-toml Not Affected
Amazon Linux 2023 golang-github-burntsushi-toml-test Not Affected
Amazon Linux 2027 Preview golang-github-burntsushi-toml-test Not Affected
Amazon Linux 2023 golang-github-cpuguy83-md2man Not Affected
Amazon Linux 2027 Preview golang-github-cpuguy83-md2man Not Affected
Amazon Linux 2 - Core golist Not Affected
Amazon Linux 2023 golist Not Affected
Amazon Linux 2027 Preview golist Not Affected
Amazon Linux 2023 libcap Not Affected
Amazon Linux 2027 Preview libcap Not Affected
Amazon Linux 2 - Core nerdctl 2026-06-08 ALAS2-2026-3334 Fixed
Amazon Linux 2023 nerdctl 2026-06-08 ALAS2023-2026-1788 Fixed
Amazon Linux 2027 Preview nerdctl Not Affected
Amazon Linux 2 - Aws-nitro-enclaves-cli Extra oci-add-hooks Not Affected
Amazon Linux 2 - Docker Extra oci-add-hooks Not Affected
Amazon Linux 2 - Ecs Extra oci-add-hooks Not Affected
Amazon Linux 2023 oci-add-hooks Not Affected
Amazon Linux 2027 Preview oci-add-hooks Not Affected
Amazon Linux 2 - Core rclone No Fix Planned
Amazon Linux 2023 rclone No Fix Planned
Amazon Linux 2027 Preview rclone Not Affected
Amazon Linux 2 - Aws-nitro-enclaves-cli Extra runc Not Affected
Amazon Linux 2 - Docker Extra runc Not Affected
Amazon Linux 2 - Ecs Extra runc Not Affected
Amazon Linux 2023 runc Not Affected
Amazon Linux 2027 Preview runc Not Affected
Amazon Linux 2 - Docker Extra runfinch-finch 2026-06-22 ALAS2DOCKER-2026-132 Fixed
Amazon Linux 2023 runfinch-finch 2026-06-22 ALAS2023-2026-1886 Fixed
Amazon Linux 2027 Preview runfinch-finch Not Affected
Amazon Linux 2 - Docker Extra soci-snapshotter 2026-06-22 ALAS2DOCKER-2026-131 Fixed
Amazon Linux 2023 soci-snapshotter 2026-06-22 ALAS2023-2026-1884 Fixed
Amazon Linux 2027 Preview soci-snapshotter Not Affected
Amazon Linux 2023 yq No Fix Planned
Amazon Linux 2027 Preview yq Not Affected

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