CVE catalog

CVE-2026-25681

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 befor

[CVE catalog]

Severity
High · CVSS 8.1CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:N
Published
Source
[NVD] · [CVE record]
EPSS
0.22% · Oct 25, 2026

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.

Vulnerable and fixed packages

Distribution-reported package versions and fixes. These do not depend on matching against the OpenFactory package catalog.

DistributionPackageReleaseVersionStatus
Debiangolang-golang-x-netsid1:0.61.0-1fixed
Debiangolang-golang-x-netforky1:0.61.0-1fixed
Debiangolang-golang-x-nettrixie1:0.27.0-2vulnerable
Debiangolang-golang-x-netbookworm1:0.7.0+dfsg-1vulnerable
Cpegolang-golang-x-netNot reportedNot reportedvulnerable
CpenetNot reported0.55.0fixed
Gogolang.org/x/netNot reported0.55.0fixed
Opensusegomukstumbleweed26.03+git.1780250926.564a8707-1.1fixed
Ubuntugolang-golang-x-net-devpro1:0.0+git20190811.74dc4d7+dfsg-1vulnerable
Ubuntugolang-golang-x-net-devpro1:0.0+git20190811.74dc4d7+dfsg-1ubuntu0.1~esm1vulnerable
Ubuntugolang-golang-x-net-devpro1:0.0+git20190811.74dc4d7+dfsg-1ubuntu0.1~esm2vulnerable
Ubuntugolang-golang-x-net-devpro1:0.0+git20190811.74dc4d7+dfsg-1ubuntu0.1~esm3vulnerable

Fixed-version evidence

DistributionPackageTypeReleaseFixed versionUrgencyOriginBugs
Debiangolang-golang-x-netsourcesid1:0.55.0-1not yet assignedNot reportedNot reported
Debiangolang-golang-x-netsourceforky1:0.55.0-1not yet assignedNot reportedNot reported
Debiangolang-golang-x-netsourcetrixie(unfixed)not yet assignedNot reportedNot reported
Debiangolang-golang-x-netsourcebookworm(unfixed)not yet assignedNot reportedNot reported
CpenetcpeNot reported0.55.0Not reportedNot reportedNot reported
Gogolang.org/x/netGoNot reported0.55.0Not reportedGO-2026-5029Not reported
Opensusegomuksrpmtumbleweed26.03+git.1780250926.564a8707-1.1Not reportedOPENSUSE-SU-2026:11290-1Not reported

Notes

[trixie] golang-golang-x-net: Minor issue [bookworm] golang-golang-x-net: Limited support, minor issue; html.Render output

OpenFactory catalog packages

[Debian 12 (Bookworm)]

  • [golang-golang-x-net-dev]Affected

    Source package: [golang-golang-x-net]

    Details (2)

    • 1:0.7.0+dfsg-1 · all · bookworm

      Affected

      nvd · golang-golang-x-net · debian · bookworm; nvd · golang-golang-x-net · debian · 12

    • 1:0.7.0+dfsg-1 · all · bookworm

      Affected

      nvd · golang-golang-x-net · debian · bookworm; nvd · golang-golang-x-net · debian · 12

[Debian 13 (Trixie)]

  • [golang-golang-x-net-dev]Affected

    Source package: [golang-golang-x-net]

    Details (4)

    • 1:0.27.0-2 · all · trixie

      Affected

      nvd · golang-golang-x-net · debian · 13

    • 1:0.27.0-2 · all · trixie

      Affected

      nvd · golang-golang-x-net · debian · 13

    • 1:0.53.0-2~bpo13+1 · all · trixie-backports

      Affected

      nvd · golang-golang-x-net · debian · 13

    • 1:0.53.0-2~bpo13+1 · all · trixie-backports

      Affected

      nvd · golang-golang-x-net · debian · 13

Observed:

References

[CERT-Bund public advisories] · [Debian Security Tracker] · [FIRST EPSS] · [National Vulnerability Database (NVD)] · [OSV Package Vulnerability Database] · [Red Hat security advisories and VEX] · [SUSE security advisories and VEX]