CR
Product
crypto/x509
by Go standard library · last CVE Oct 21, 2026
7
CVEs
0
On KEV
8.2
Max CVSS
1
New 30D
Severity mix
Critical 0High 4Medium 2Low 0
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Add crypto/x509 to your stack to get only the CVEs that touch what you run.

CVECVSSEPSSPublishedSummary · affected versions
CVE-2026-33810
8.2
0%
Apr 8
Case-sensitive excludedSubtrees name constraints cause Auth Bypass in crypto/x509
Affected: 1.26.0-0 before 1.26.2
CVE-2026-32280
7.5
1%
Apr 8
Unexpected work during chain building in crypto/x509
Affected: before 1.25.9; 1.26.0-0 before 1.26.2
CVE-2026-32281
7.5
0%
Apr 8
Inefficient policy validation in crypto/x509
Affected: before 1.25.9; 1.26.0-0 before 1.26.2
CVE-2026-27137
7.5
1%
Mar 6
Incorrect enforcement of email constraints in crypto/x509
Affected: 1.26.0-0 before 1.26.1
CVE-2026-27145
6.5
1%
Jun 2
Inefficient candidate hostname parsing in crypto/x509
Affected: before 1.25.11; 1.26.0-0 before 1.26.4
CVE-2026-27138
5.9
0%
Mar 6
Panic in name constraint checking for malformed certificates in crypto/x509
Affected: 1.26.0-0 before 1.26.1
CVE-2026-111943
–
0%
Oct 21
Distrust compromised intermediate certificates in crypto/x509
Affected: before 1.26.10; 1.27.0-0 before 1.27.3
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