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CVE-20XX-?

CVE-2026-27136

6.1 MEDIUM 0.2% exploit odds Fix listed XSS

What it is

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.

At a glance

Exploitability: Can be exploited over the network without logging in, but needs a user to act. Limited direct impact.
Exploit odds: 0.2% chance of exploitation in the next 30 days (EPSS).
Fix: A patch, advisory or fixed version is referenced. Upgrade or apply it.

Timeline

2026-05-22 16:16 UTC PublishedDisclosed publicly on CVE.org and NVD
2026-07-23 16:10 UTC Last updatedMost recent change to the record

Details

Published: 2026-05-22 16:16 UTC
Last modified: 2026-07-23 16:10 UTC
Exploit probability: 0.2% · EPSS, next 30 days
Weakness: CWE-1021
Record status: Analyzed

Affected

Golang Net < 0.55.0

Attack profile CVSS 3.1 · 6.1

Attack vector: Network
Complexity: Low
Privileges needed: None
User interaction: Required
Scope: Changed
Confidentiality: Low
Integrity: Low
Availability: None

Raw vector

CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N

Meme: I wake up, CVE-2026-27136

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Fix and advisories

https://pkg.go.dev/vuln/GO-2026-5030

References

NVD record · CVE.org record