NE
Product
net/http
by Go standard library · last CVE Oct 8, 2026
13
CVEs
0
On KEV
9.6
Max CVSS
8
New 30D
Severity mix
Critical 2High 9Medium 2Low 0
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Add net/http to your stack to get only the CVEs that touch what you run.

CVECVSSEPSSPublishedSummary · affected versions
CVE-2026-39821
9.6
2%
May 22
Invoking failure to reject ASCII-only Punycode-encoded labels in golang.org/x/net/idna
Affected: before 1.25.13; 1.26.0-0 before 1.26.6; 1.27.0-0 before 1.27.0-rc.3
CVE-2026-78663
9.1
1%
Oct 8
Double flow control refund on HTTP/2 server streams in net/http
Affected: before 1.26.9
CVE-2026-97032
7.5
0%
Oct 8
HTTP/2 server crash due to HPACK encoder race in net/http
Affected: before 1.26.9
CVE-2026-94439
7.5
0%
Oct 8
HTTP/1 server connection desynchronization after 2xx CONNECT response in net/http
Affected: before 1.26.9; 1.27.0-0 before 1.27.2
CVE-2026-78669
7.5
1%
Oct 8
Excessive CPU consumption from repeated initial window changes in net/http
Affected: before 1.26.9
CVE-2026-78660
7.5
0%
Oct 8
HTTP/2 transport accepts malformed framing-related headers in net/http
Affected: before 1.26.9
CVE-2026-78667
7.5
0%
Oct 8
Lack of limit on size of parsed Range headers in net/http
Affected: before 1.26.9; 1.27.0-0 before 1.27.2
CVE-2026-56866
7.5
0%
Oct 8
HTTP/1 client connection desynchronization after CONNECT rejection in net/http
Affected: before 1.26.9; 1.27.0-0 before 1.27.2
CVE-2026-78659
7.5
1%
Oct 8
HTTP/2 server memory exhaustion due to Trailer headers in net/http
Affected: before 1.26.9
CVE-2026-56853
7.5
1%
Aug 13
Apply ReadHeaderTimeout when doing unencrypted HTTP/2 check in net/http
Affected: before 1.25.13; 1.26.0-0 before 1.26.6; 1.27.0-0 before 1.27.0-rc.3
CVE-2026-33814
7.5
1%
May 7
Infinite loop in HTTP/2 transport when given bad SETTINGS_MAX_FRAME_SIZE in net/http/internal/http2 in golang.org/x/net
Affected: before 1.25.10; 1.26.0-0 before 1.26.3
CVE-2022-32148
6.5
2%
Aug 9
Exposure of client IP addresses in net/http
Affected: before 1.17.12; 1.18.0-0 before 1.18.4
CVE-2022-1705
6.5
2%
Aug 9
Improper sanitization of Transfer-Encoding headers in net/http
Affected: before 1.17.12; 1.18.0-0 before 1.18.4
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