What is CVE-2026-25680?

CVE-2026-25680 is a medium-severity vulnerability in Golang Net, classified under Uncontrolled Resource Consumption. CVSS score: 6.5/10. Published 2026-05-22.

How severe is CVE-2026-25680?

Medium severity. CVSS v3 base score is 6.5 out of 10.

Resource exhaustion in Golang Net

CVE-2026-25680

Parsing arbitrary HTML can consume excessive CPU time, possibly leading to denial of service.

Vulnerability class: DoS (Denial of Service)

EPSS: 0.001 (19.3th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 6.5 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H.

Affected products

Golang Net
Golang.org/x/net Golang.org/x/net/html — versions 0

Weakness classification (CWE)

CWE-400 — Uncontrolled Resource Consumption

References

security@golang.org (Issue Tracking)
security@golang.org (Issue Tracking)
security@golang.org (Mailing List)
security@golang.org (Vendor Advisory)

Frequently asked questions

What is CVE-2026-25680?: CVE-2026-25680 is a medium-severity vulnerability in Golang Net, classified under Uncontrolled Resource Consumption. CVSS score: 6.5/10. Published 2026-05-22.
How severe is CVE-2026-25680?: Medium severity. CVSS v3 base score is 6.5 out of 10.