CVE-2026-27136
medium
CVSS v3
6.1
CVSS v4 NEW
—
VIR risk
6.1
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.
Predictions
Exploit likelihood
71%
Patch ETA
—
Heuristic predictions, AS-IS, for prioritization only.
Mitigations
No mitigations published for this CVE yet.
The vendor-content worker queues fetches as references arrive (check back in a few minutes). Or — if you've already worked around this in production — publish your fix to the community-verified tier.
✚ Propose a mitigation on Community → Mitigations published via the community go through AI scoring + 2 human reviewers + 7-day silent objection window before landing here withsource_tier=community-verified.
OS impact
SUSE Affected 1 release
| Version | Status | Fixed in |
|---|---|---|
| — | Affected | — |
Windows Affected 1 release
| Version | Status | Fixed in |
|---|---|---|
| — | Affected | — |
Debian Mixed 5 releases
| Version | Status | Fixed in |
|---|---|---|
| trixie | Affected | — |
| sid | Fixed | 1:0.55.0-1 |
| forky | Affected | — |
| bullseye | Affected | — |
| bookworm | Affected | — |
Package impact
| Ecosystem | Package | Vulnerable | Fixed |
|---|---|---|---|
| Go | golang.org/x/net | <0.55.0 | 0.55.0 |
Application impact
| Vendor | Product | Versions | Fixed |
|---|---|---|---|
| golang | net | {"endExcluding":"0.55.0"} | 0.55.0 |
References
- https://go.dev/cl/781685
- https://go.dev/issue/79575
- https://groups.google.com/g/golang-announce/c/iI-mYSI0lu8
- https://pkg.go.dev/vuln/GO-2026-5030
- https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-27136
- https://www.suse.com/security/cve/CVE-2026-27136.html
- https://security-tracker.debian.org/tracker/CVE-2026-27136
CWEs
CWE-1021
Community-verified mitigations for this CVE will appear above when contributors publish them.
Verify integrity in audit chain (admin only). AS-IS.