# CVE-2026-27136: Invoking duplicate attributes can cause XSS in golang.org/x/net/html CVE-2026-27136 is fixed in 43 products on 1 platform, first by DEBIAN-CVE-2026-27136, released May 22, 2026. It is not reported as exploited. Patch Radar priority: High. - Web page: https://patchblox.com/security/cve/CVE-2026-27136 - Priority: High - CVSS: 8.7 (Moderate) - EPSS: 0.0022 - CISA KEV: not listed - Exploited (vendor report): no - Publicly disclosed: no - Published: May 22, 2026 - Vendor advisory: https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-27136 ## 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. ## Where it's fixed | Platform | Product | Fixed in | Fix | Released | |---|---|---|---|---| | Linux | alloy opensuse-leap 16.0 | 1.17.0-160000.1.1 | [OPENSUSE-SU-2026:21251-1](https://patchblox.com/security/data/fix/linux/opensuse-su-2026-21251-1.md) | Jul 7, 2026 | | Linux | alloy sles 15.7 | 1.17.1-150700.15.23.1 | [SUSE-SU-2026:2824-1](https://patchblox.com/security/data/fix/linux/suse-su-2026-2824-1.md) | Jul 9, 2026 | | Linux | alloy sles 16.0 | 1.17.0-160000.1.1 | [SUSE-SU-2026:22575-1](https://patchblox.com/security/data/fix/linux/suse-su-2026-22575-1.md) | Jul 7, 2026 | | Linux | buildah sles 15.6 | 1.35.5-150500.3.62.1 | [SUSE-SU-2026:2733-1](https://patchblox.com/security/data/fix/linux/suse-su-2026-2733-1.md) | Jul 2, 2026 | | Linux | buildah sles 15.7 | 1.35.5-150500.3.62.1 | [SUSE-SU-2026:2733-1](https://patchblox.com/security/data/fix/linux/suse-su-2026-2733-1.md) | Jul 2, 2026 | | Linux | containerd amzn 2023 | 2.2.4-1.amzn2023.0.2 | [ALAS2023-2026-1847](https://patchblox.com/security/data/fix/linux/alas2023-2026-1847.md) | Jun 22, 2026 | | Linux | containerd-debuginfo amzn 2023 | 2.2.4-1.amzn2023.0.2 | [ALAS2023-2026-1847](https://patchblox.com/security/data/fix/linux/alas2023-2026-1847.md) | Jun 22, 2026 | | Linux | containerd-debugsource amzn 2023 | 2.2.4-1.amzn2023.0.2 | [ALAS2023-2026-1847](https://patchblox.com/security/data/fix/linux/alas2023-2026-1847.md) | Jun 22, 2026 | | Linux | containerd-stress amzn 2023 | 2.2.4-1.amzn2023.0.2 | [ALAS2023-2026-1847](https://patchblox.com/security/data/fix/linux/alas2023-2026-1847.md) | Jun 22, 2026 | | Linux | containerd-stress-debuginfo amzn 2023 | 2.2.4-1.amzn2023.0.2 | [ALAS2023-2026-1847](https://patchblox.com/security/data/fix/linux/alas2023-2026-1847.md) | Jun 22, 2026 | | Linux | containerized-data-importer sles 15.7 | 1.64.0-150700.9.14.1 | [SUSE-SU-2026:4209-1](https://patchblox.com/security/data/fix/linux/suse-su-2026-4209-1.md) | Sep 16, 2026 | | Linux | containerized-data-importer1.65 opensuse-leap 16.0 | 1.65.0-160000.3.1 | [OPENSUSE-SU-2026:21824-1](https://patchblox.com/security/data/fix/linux/opensuse-su-2026-21824-1.md) | Sep 9, 2026 | | Linux | cosign opensuse-leap 16.0 | 3.1.1-160000.1.1 | [OPENSUSE-SU-2026:21281-1](https://patchblox.com/security/data/fix/linux/opensuse-su-2026-21281-1.md) | Jul 10, 2026 | | Linux | cosign sles 15.6 | 3.1.1-150400.3.45.1 | [SUSE-SU-2026:2827-1](https://patchblox.com/security/data/fix/linux/suse-su-2026-2827-1.md) | Jul 9, 2026 | | Linux | cosign sles 15.7 | 3.1.1-150400.3.45.1 | [SUSE-SU-2026:2827-1](https://patchblox.com/security/data/fix/linux/suse-su-2026-2827-1.md) | Jul 9, 2026 | | Linux | cosign sles 16.0 | 3.1.1-160000.1.1 | [SUSE-SU-2026:22613-1](https://patchblox.com/security/data/fix/linux/suse-su-2026-22613-1.md) | Jul 10, 2026 | | Linux | credentials-fetcher amzn 2023 | 2.0.3-1.amzn2023.0.1 | [ALAS2023-2026-1885](https://patchblox.com/security/data/fix/linux/alas2023-2026-1885.md) | Jun 22, 2026 | | Linux | docker amzn 2023 | 25.0.16-1.amzn2023.0.2 | [ALAS2023-2026-1835](https://patchblox.com/security/data/fix/linux/alas2023-2026-1835.md) | Jun 11, 2026 | | Linux | docker-debuginfo amzn 2023 | 25.0.16-1.amzn2023.0.2 | [ALAS2023-2026-1835](https://patchblox.com/security/data/fix/linux/alas2023-2026-1835.md) | Jun 11, 2026 | | Linux | docker-debugsource amzn 2023 | 25.0.16-1.amzn2023.0.2 | [ALAS2023-2026-1835](https://patchblox.com/security/data/fix/linux/alas2023-2026-1835.md) | Jun 11, 2026 | | Linux | ecs-init amzn 2023 | 1.105.0-1.amzn2023 | [ALAS2023-2026-1902](https://patchblox.com/security/data/fix/linux/alas2023-2026-1902.md) | Jul 6, 2026 | | Linux | flightctl RHEL 10 | 1.1.4-1.el10em | [RHSA-2026:68334](https://patchblox.com/security/data/fix/linux/rhsa-2026-68334.md) | Sep 17, 2026 | | Linux | glab opensuse-leap 16.0 | 1.114.0-bp160.1.1 | [OPENSUSE-SU-2026:21662-1](https://patchblox.com/security/data/fix/linux/opensuse-su-2026-21662-1.md) | Aug 26, 2026 | | Linux | golang-golang-x-net Debian 14 | 1:0.55.0-1 | [DEBIAN-CVE-2026-27136](https://patchblox.com/security/data/fix/linux/debian-cve-2026-27136.md) | May 22, 2026 | | Linux | govulncheck-vulndb opensuse-leap 16.0 | 0.0.20260723T184607-160000.1.1 | [OPENSUSE-SU-2026:21483-1](https://patchblox.com/security/data/fix/linux/opensuse-su-2026-21483-1.md) | Jul 30, 2026 | | Linux | grafana RHEL 10 | 10.2.6-26.el10_0 | [RHSA-2026:67517](https://patchblox.com/security/data/fix/linux/rhsa-2026-67517.md) | Jul 6, 2026 | | Linux | grafana opensuse-leap 16.0 | 11.6.14+security04-bp160.2.1 | [OPENSUSE-SU-2026:20984-1](https://patchblox.com/security/data/fix/linux/opensuse-su-2026-20984-1.md) | Jun 15, 2026 | | Linux | grafana sles 15.7 | 12.4.5-150200.3.91.1 | [SUSE-SU-2026:3718-1](https://patchblox.com/security/data/fix/linux/suse-su-2026-3718-1.md) | Aug 24, 2026 | | Linux | hauler opensuse-leap 16.0 | 2.0.1-bp160.1.1 | [OPENSUSE-SU-2026:21262-1](https://patchblox.com/security/data/fix/linux/opensuse-su-2026-21262-1.md) | Jul 6, 2026 | | Linux | image-builder RHEL 10 | 52.1-2.el10_2 | [RHSA-2026:67139](https://patchblox.com/security/data/fix/linux/rhsa-2026-67139.md) | Jun 4, 2026 | | Linux | image-builder RHEL 9 | 0:52.1-2.el9_8 | [RHSA-2026:67138](https://patchblox.com/security/data/fix/linux/rhsa-2026-67138.md) | Sep 19, 2026 | | Linux | image-builder ol 10 | 0:72.0.0-1.0.3.el10 | [ELSA-2026-67139-0](https://patchblox.com/security/data/fix/linux/elsa-2026-67139-0.md) | Sep 17, 2026 | | Linux | image-builder ol 9 | 0:72.0.0-1.0.3.el9 | [ELSA-2026-67138-0](https://patchblox.com/security/data/fix/linux/elsa-2026-67138-0.md) | Sep 17, 2026 | | Linux | image-builder rocky 10 | 0:52.1-2.el10_2.rocky.0.1 | [RLSA-2026:67139](https://patchblox.com/security/data/fix/linux/rlsa-2026-67139.md) | Sep 15, 2026 | | Linux | image-builder rocky 9 | 0:52.1-2.el9_8 | [RLSA-2026:67138](https://patchblox.com/security/data/fix/linux/rlsa-2026-67138.md) | Sep 15, 2026 | | Linux | kubevirt sles 15.7 | 1.7.4-150700.3.30.1 | [SUSE-SU-2026:3203-1](https://patchblox.com/security/data/fix/linux/suse-su-2026-3203-1.md) | Jul 23, 2026 | | Linux | kubevirt-1.6 sles 15.7 | 1.6.6-150700.15.17.1 | [SUSE-SU-2026:3630-1](https://patchblox.com/security/data/fix/linux/suse-su-2026-3630-1.md) | Aug 17, 2026 | | Linux | kubevirt1.8 opensuse-leap 16.0 | 1.8.4-160000.1.1 | [OPENSUSE-SU-2026:21590-1](https://patchblox.com/security/data/fix/linux/opensuse-su-2026-21590-1.md) | Aug 18, 2026 | | Linux | lux opensuse-leap 16.0 | 0.24.1-bp160.1.1 | [OPENSUSE-SU-2026:21367-1](https://patchblox.com/security/data/fix/linux/opensuse-su-2026-21367-1.md) | Jul 17, 2026 | | Linux | mcphost opensuse-leap 16.0 | 0.34.0-160000.2.1 | [OPENSUSE-SU-2026:21120-1](https://patchblox.com/security/data/fix/linux/opensuse-su-2026-21120-1.md) | Jun 20, 2026 | | Linux | mcphost sles 16.0 | 0.34.0-160000.2.1 | [SUSE-SU-2026:22193-1](https://patchblox.com/security/data/fix/linux/suse-su-2026-22193-1.md) | Jun 20, 2026 | | Linux | neonmodem opensuse-leap 16.0 | 1.0.7+git0.346d1d3-bp160.1.1 | [OPENSUSE-SU-2026:20963-1](https://patchblox.com/security/data/fix/linux/opensuse-su-2026-20963-1.md) | Jun 12, 2026 | | Linux | nerdctl amzn 2023 | 2.2.2-1.amzn2023.0.3 | [ALAS2023-2026-1788](https://patchblox.com/security/data/fix/linux/alas2023-2026-1788.md) | Jun 8, 2026 | | Linux | opentelemetry-collector RHEL 10 | 0.152.1-1.el10_0 | [RHSA-2026:53413](https://patchblox.com/security/data/fix/linux/rhsa-2026-53413.md) | Jul 2, 2026 | | Linux | osbuild-composer RHEL 10 | 134.1-10.el10_0 | [RHSA-2026:63134](https://patchblox.com/security/data/fix/linux/rhsa-2026-63134.md) | Jun 26, 2026 | | Linux | osbuild-composer RHEL 9 | 0:165.1-5.el9_8 | [RHSA-2026:69293](https://patchblox.com/security/data/fix/linux/rhsa-2026-69293.md) | Sep 22, 2026 | | Linux | osbuild-composer almalinux 10 | 165.1-5.el10_2.alma.1 | [ALSA-2026:66432](https://patchblox.com/security/data/fix/linux/alsa-2026-66432.md) | Sep 10, 2026 | | Linux | osbuild-composer almalinux 9 | 165.1-5.el9_8.alma.1 | [ALSA-2026:69293](https://patchblox.com/security/data/fix/linux/alsa-2026-69293.md) | Sep 21, 2026 | | Linux | osbuild-composer ol 10 | 0:176-1.0.3.el10_2 | [ELSA-2026-66432-0](https://patchblox.com/security/data/fix/linux/elsa-2026-66432-0.md) | Sep 14, 2026 | | Linux | osbuild-composer ol 9 | 0:175-1.0.2.el9_8 | [ELSA-2026-69293](https://patchblox.com/security/data/fix/linux/elsa-2026-69293.md) | Nov 7, 2026 | | Linux | osbuild-composer rocky 10 | 0:165.1-5.el10_2.rocky.0.1 | [RLSA-2026:66432](https://patchblox.com/security/data/fix/linux/rlsa-2026-66432.md) | Sep 11, 2026 | | Linux | osbuild-composer rocky 9 | 0:165.1-5.el9_8.rocky.0.1 | [RLSA-2026:69293](https://patchblox.com/security/data/fix/linux/rlsa-2026-69293.md) | Sep 22, 2026 | | Linux | osbuild-composer-core RHEL 9 | 0:165.1-5.el9_8 | [RHSA-2026:69293](https://patchblox.com/security/data/fix/linux/rhsa-2026-69293.md) | Sep 22, 2026 | | Linux | osbuild-composer-core almalinux 10 | 165.1-5.el10_2.alma.1 | [ALSA-2026:66432](https://patchblox.com/security/data/fix/linux/alsa-2026-66432.md) | Sep 10, 2026 | | Linux | osbuild-composer-core almalinux 9 | 165.1-5.el9_8.alma.1 | [ALSA-2026:69293](https://patchblox.com/security/data/fix/linux/alsa-2026-69293.md) | Sep 21, 2026 | | Linux | osbuild-composer-core ol 10 | 0:176-1.0.3.el10_2 | [ELSA-2026-66432-0](https://patchblox.com/security/data/fix/linux/elsa-2026-66432-0.md) | Sep 14, 2026 | | Linux | osbuild-composer-core ol 9 | 0:175-1.0.2.el9_8 | [ELSA-2026-69293](https://patchblox.com/security/data/fix/linux/elsa-2026-69293.md) | Nov 7, 2026 | | Linux | osbuild-composer-worker RHEL 9 | 0:165.1-5.el9_8 | [RHSA-2026:69293](https://patchblox.com/security/data/fix/linux/rhsa-2026-69293.md) | Sep 22, 2026 | | Linux | osbuild-composer-worker almalinux 10 | 165.1-5.el10_2.alma.1 | [ALSA-2026:66432](https://patchblox.com/security/data/fix/linux/alsa-2026-66432.md) | Sep 10, 2026 | | Linux | osbuild-composer-worker almalinux 9 | 165.1-5.el9_8.alma.1 | [ALSA-2026:69293](https://patchblox.com/security/data/fix/linux/alsa-2026-69293.md) | Sep 21, 2026 | | Linux | osbuild-composer-worker ol 10 | 0:176-1.0.3.el10_2 | [ELSA-2026-66432-0](https://patchblox.com/security/data/fix/linux/elsa-2026-66432-0.md) | Sep 14, 2026 | | Linux | osbuild-composer-worker ol 9 | 0:175-1.0.2.el9_8 | [ELSA-2026-69293](https://patchblox.com/security/data/fix/linux/elsa-2026-69293.md) | Nov 7, 2026 | | Linux | podman RHEL 10 | 5.8.2-4.el10_2 | [RHSA-2026:37072](https://patchblox.com/security/data/fix/linux/rhsa-2026-37072.md) | Jul 9, 2026 | | Linux | podman RHEL 9 | 6:5.8.2-4.el9_8 | [RHSA-2026:37123](https://patchblox.com/security/data/fix/linux/rhsa-2026-37123.md) | Jul 10, 2026 | | Linux | podman almalinux 9 | 6:5.8.2-4.el9_8 | [ALSA-2026:37123](https://patchblox.com/security/data/fix/linux/alsa-2026-37123.md) | Jul 9, 2026 | | Linux | podman ol 10 | 7:5.8.2-5.0.1.el10_2 | [ELSA-2026-37072](https://patchblox.com/security/data/fix/linux/elsa-2026-37072.md) | Jul 23, 2026 | | Linux | podman ol 9 | 6:5.8.2-4.0.1.el9_8 | [ELSA-2026-37123](https://patchblox.com/security/data/fix/linux/elsa-2026-37123.md) | Jul 10, 2026 | | Linux | podman rocky 10 | 7:5.8.2-4.el10_2 | [RLSA-2026:37072](https://patchblox.com/security/data/fix/linux/rlsa-2026-37072.md) | Jul 10, 2026 | | Linux | podman rocky 9 | 6:5.8.2-4.el9_8 | [RLSA-2026:37123](https://patchblox.com/security/data/fix/linux/rlsa-2026-37123.md) | Jul 10, 2026 | | Linux | podman-docker RHEL 9 | 6:5.8.2-4.el9_8 | [RHSA-2026:37123](https://patchblox.com/security/data/fix/linux/rhsa-2026-37123.md) | Jul 10, 2026 | | Linux | podman-docker almalinux 9 | 6:5.8.2-4.el9_8 | [ALSA-2026:37123](https://patchblox.com/security/data/fix/linux/alsa-2026-37123.md) | Jul 9, 2026 | | Linux | podman-docker ol 10 | 7:5.8.2-5.0.1.el10_2 | [ELSA-2026-37072](https://patchblox.com/security/data/fix/linux/elsa-2026-37072.md) | Jul 23, 2026 | | Linux | podman-docker ol 9 | 6:5.8.2-4.0.1.el9_8 | [ELSA-2026-37123](https://patchblox.com/security/data/fix/linux/elsa-2026-37123.md) | Jul 10, 2026 | | Linux | podman-plugins RHEL 9 | 6:5.8.2-4.el9_8 | [RHSA-2026:37123](https://patchblox.com/security/data/fix/linux/rhsa-2026-37123.md) | Jul 10, 2026 | | Linux | podman-plugins almalinux 9 | 6:5.8.2-4.el9_8 | [ALSA-2026:37123](https://patchblox.com/security/data/fix/linux/alsa-2026-37123.md) | Jul 9, 2026 | | Linux | podman-plugins ol 9 | 6:5.8.2-4.0.1.el9_8 | [ELSA-2026-37123](https://patchblox.com/security/data/fix/linux/elsa-2026-37123.md) | Jul 10, 2026 | | Linux | podman-remote RHEL 9 | 6:5.8.2-4.el9_8 | [RHSA-2026:37123](https://patchblox.com/security/data/fix/linux/rhsa-2026-37123.md) | Jul 10, 2026 | | Linux | podman-remote almalinux 9 | 6:5.8.2-4.el9_8 | [ALSA-2026:37123](https://patchblox.com/security/data/fix/linux/alsa-2026-37123.md) | Jul 9, 2026 | | Linux | podman-remote ol 10 | 7:5.8.2-5.0.1.el10_2 | [ELSA-2026-37072](https://patchblox.com/security/data/fix/linux/elsa-2026-37072.md) | Jul 23, 2026 | | Linux | podman-remote ol 9 | 6:5.8.2-4.0.1.el9_8 | [ELSA-2026-37123](https://patchblox.com/security/data/fix/linux/elsa-2026-37123.md) | Jul 10, 2026 | | Linux | podman-tests RHEL 9 | 6:5.8.2-4.el9_8 | [RHSA-2026:37123](https://patchblox.com/security/data/fix/linux/rhsa-2026-37123.md) | Jul 10, 2026 | | Linux | podman-tests almalinux 9 | 6:5.8.2-4.el9_8 | [ALSA-2026:37123](https://patchblox.com/security/data/fix/linux/alsa-2026-37123.md) | Jul 9, 2026 | | Linux | podman-tests ol 10 | 7:5.8.2-5.0.1.el10_2 | [ELSA-2026-37072](https://patchblox.com/security/data/fix/linux/elsa-2026-37072.md) | Jul 23, 2026 | | Linux | podman-tests ol 9 | 6:5.8.2-4.0.1.el9_8 | [ELSA-2026-37123](https://patchblox.com/security/data/fix/linux/elsa-2026-37123.md) | Jul 10, 2026 | | Linux | rclone opensuse-leap 16.0 | 1.74.4-bp160.1.1 | [OPENSUSE-SU-2026:21436-1](https://patchblox.com/security/data/fix/linux/opensuse-su-2026-21436-1.md) | Jul 22, 2026 | | Linux | receptor RHEL 10 | 1.6.6-1.el10ap | [RHSA-2026:42080](https://patchblox.com/security/data/fix/linux/rhsa-2026-42080.md) | Jun 2, 2026 | | Linux | runfinch-finch amzn 2023 | 1.17.1-1.amzn2023.0.3 | [ALAS2023-2026-1886](https://patchblox.com/security/data/fix/linux/alas2023-2026-1886.md) | Jun 22, 2026 | | Linux | soci-snapshotter amzn 2023 | 0.14.1-1.amzn2023.0.1 | [ALAS2023-2026-1884](https://patchblox.com/security/data/fix/linux/alas2023-2026-1884.md) | Jun 22, 2026 | | Linux | trivy opensuse-leap 16.0 | 0.71.0-160000.1.1 | [OPENSUSE-SU-2026:20956-1](https://patchblox.com/security/data/fix/linux/opensuse-su-2026-20956-1.md) | Jun 11, 2026 | --- Data as of 2026-11-08T06:59:42Z UTC. 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