CVE-2026-27141: high-severity vulnerability in golang.org/x/net/http2
Sending certain HTTP/2 frames can cause a server to panic in golang.org/x/net
Published · Updated
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21Vexday Risk Score
No sign of exploitation. No public exploitation artifact known so far.
ssvc Trackcvss 7.5epss 0.6%
Due to missing nil check, sending 0x0a-0x0f HTTP/2 frames will cause a running server to panic
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/http2Related CVEs — golang.org/x/net/http2
In the same product, most dangerous first.
CVE-2023-45288HIGHHTTP/2 CONTINUATION flood in net/httpEPSS 89.5%CVE-2022-41717—Excessive memory growth in net/http and golang.org/x/net/http2EPSS 6.1%CVE-2022-41723HIGHDenial of service via crafted HTTP/2 stream in net/http and golang.org/x/netEPSS 4.6%CVE-2023-39325—HTTP/2 rapid reset can cause excessive work in net/httpEPSS 3.8%CVE-2026-78659HIGHHTTP/2 server memory exhaustion due to Trailer headers in net/httpEPSS 0.9%CVE-2026-78663CRITICALDouble flow control refund on HTTP/2 server streams in net/httpEPSS 0.9%