NE
Product
net/http
by Go standard library · last CVE Oct 8, 2026
19
CVEs
0
On KEV
9.6
Max CVSS
8
New 30D
Severity mix
Critical 2High 10Medium 7Low 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-2024-24791
7.5
1%
Jul 2
Denial of service due to improper 100-continue handling in net/http
Affected: before 1.21.12; 1.22.0-0 before 1.22.5
CVE-2025-4673
6.8
1%
Jun 11
Sensitive headers not cleared on cross-origin redirect in net/http
Affected: before 1.23.10; 1.24.0-0 before 1.24.4
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
CVE-2024-45336
6.1
1%
Jan 28
Sensitive headers incorrectly sent after cross-domain redirect in net/http
Affected: before 1.22.11; 1.23.0-0 before 1.23.5; 1.24.0-0 before 1.24.0-rc.2
CVE-2025-47910
5.4
0%
Sep 22
CrossOriginProtection insecure bypass patterns not limited to exact matches in net/http
Affected: 1.25.0 before 1.25.1
CVE-2025-58186
5.3
1%
Oct 29
Lack of limit when parsing cookies can cause memory exhaustion in net/http
Affected: before 1.24.8; 1.25.0 before 1.25.2
CVE-2025-22870
4.4
0%
Mar 12
HTTP Proxy bypass using IPv6 Zone IDs in golang.org/x/net
Affected: before 1.23.7; 1.24.0-0 before 1.24.1
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