【严重】crypto：身份验证绕过风险（GHSA-5cgq-3rg8-m6cv）

安全情报快照 · 风险级别：严重 · CVSS：9.1 · CVE-2026-42508 · GHSA-5cgq-3rg8-m6cv

先看结论

crypto存在身份验证绕过风险，< 0.52.0 受影响，建议升级至 0.52.0。

影响范围

处置建议

优先将 golang.org/x/crypto 升级至 0.52.0 或更高版本；升级前请结合业务依赖完成兼容性验证。

上游技术详情（原文）

Previously, a revoked 'SignatureKey' belonging to a CA was not correctly checked for revocation. Now, both the 'key' and 'key.SignatureKey' are checked for @revoked.

来源与许可

• GitHub Advisory GHSA-5cgq-3rg8-m6cv
• https://nvd.nist.gov/vuln/detail/CVE-2026-42508
• https://go.dev/cl/781220
• https://go.dev/issue/79568
• https://groups.google.com/g/golang-announce/c/a082jnz-LvI
• https://pkg.go.dev/vuln/GO-2026-5021
• https://access.redhat.com/errata/RHSA-2026:23262
• https://access.redhat.com/errata/RHSA-2026:23264
• https://access.redhat.com/security/cve/CVE-2026-42508
• https://bugzilla.redhat.com/show_bug.cgi?id=2480688
• https://security.access.redhat.com/data/csaf/v2/vex/2026/cve-2026-42508.json
• https://access.redhat.com/errata/RHSA-2026:26546
• https://access.redhat.com/errata/RHSA-2026:26547
• https://access.redhat.com/errata/RHSA-2026:35833
• https://access.redhat.com/errata/RHSA-2026:36648
• https://access.redhat.com/errata/RHSA-2026:37123
• https://access.redhat.com/errata/RHSA-2026:37072
• https://access.redhat.com/errata/RHSA-2026:36808
• https://access.redhat.com/errata/RHSA-2026:36797
• https://access.redhat.com/errata/RHSA-2026:36796
• https://access.redhat.com/errata/RHSA-2026:36651
• https://access.redhat.com/errata/RHSA-2026:37387
• https://access.redhat.com/errata/RHSA-2026:40262
• https://access.redhat.com/errata/RHSA-2026:40138
• https://access.redhat.com/errata/RHSA-2026:40118
• https://access.redhat.com/errata/RHSA-2026:41066
• https://access.redhat.com/errata/RHSA-2026:41064
• https://access.redhat.com/errata/RHSA-2026:41036
• https://access.redhat.com/errata/RHSA-2026:41031
• https://access.redhat.com/errata/RHSA-2026:41019
• https://access.redhat.com/errata/RHSA-2026:40945

本页自动同步 GitHub Advisory Database 的公开数据，并保留上游原文供核验；不宣称原创分析。数据许可：CC-BY-4.0。