CVE-2026-25680

MEDIUM 6.5

Invoking denial of service when parsing arbitrary HTML in golang.org/x/net/html

CVSS Score

6.5

EPSS Score

0.0%

EPSS Percentile

0th

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

Vendor	golang.org/x/net
Product	golang.org/x/net/html
Published	May 22, 2026
Last Updated	May 22, 2026

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Affected Versions

golang.org/x/net / golang.org/x/net/html

0 < 0.55.0

References

NVD ↗ CVE.org ↗ EPSS Data ↗

go.dev: https://go.dev/cl/781702 go.dev: https://go.dev/issue/79573 groups.google.com: https://groups.google.com/g/golang-announce/c/iI-mYSI0lu8 pkg.go.dev: https://pkg.go.dev/vuln/GO-2026-5028

Credits

IPC Labs