What is CVE-2026-27141?

CVE-2026-27141 is a high-severity vulnerability in Golang.org/x/net Golang.org/x/net/http2, classified under NULL Pointer Dereference. CVSS score: 7.5/10. Published 2026-02-26.

How severe is CVE-2026-27141?

High severity. CVSS v3 base score is 7.5 out of 10.

NULL pointer dereference in Golang.org/x/net Golang.org/x/net/http2

CVE-2026-27141

Due to missing nil check, sending 0x0a-0x0f HTTP/2 frames will cause a running server to panic

EPSS: 0.005 (40.0th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 7.5 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H.

Affected products

Golang.org/x/net Golang.org/x/net/http2 — versions 0.50.0

Weakness classification (CWE)

CWE-476 — NULL Pointer Dereference

References

security@golang.org
security@golang.org
security@golang.org
security@golang.org

Frequently asked questions

What is CVE-2026-27141?: CVE-2026-27141 is a high-severity vulnerability in Golang.org/x/net Golang.org/x/net/http2, classified under NULL Pointer Dereference. CVSS score: 7.5/10. Published 2026-02-26.
How severe is CVE-2026-27141?: High severity. CVSS v3 base score is 7.5 out of 10.