CVE-2026-33810
Case-sensitive excludedSubtrees name constraints cause Auth Bypass in crypto/x509
8.2
HIGH
CVSS 3.1
EPSS 0.34%
描述
When verifying a certificate chain containing excluded DNS constraints, these constraints are not correctly applied to wildcard DNS SANs which use a different case than the constraint. This only affects validation of otherwise trusted certificate chains, issued by a root CA in the VerifyOptions.Roots CertPool, or in the system certificate pool.
如何修補 CVE-2026-33810
要修補 CVE-2026-33810,請將受影響套件升級到下列已修補版本。
- —升級至 1.26.2 或更新版本
- —升級至 1.26.2 或更新版本
CVE-2026-33810 正在被利用嗎?
低 — EPSS 為 0.3%,目前沒有觀察到大規模利用活動。
受影響套件(2)
- >= 1.26.0-0, < 1.26.2
- >= 1.26.0-0, < 1.26.2
CVSS 分數
| 來源 | 版本 | 嚴重程度 | 向量 |
|---|---|---|---|
| osv | CVSS 3.1 | HIGH8.2 | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:L/A:N |