CVE-2026-0397— Information disclosure via CORS misconfiguration
Get alerts for future matching vulnerabilitiesLog in to subscribe
I. Basic Information for CVE-2026-0397
Vulnerability Information
Have questions about the vulnerability? See if Shenlong's analysis helps!
View Shenlong Deep Dive ↗ Although we use advanced large model technology, its output may still contain inaccurate or outdated information.Shenlong tries to ensure data accuracy, but please verify and judge based on the actual situation.
Vulnerability Title
Information disclosure via CORS misconfiguration
Source: NVD (National Vulnerability Database)
Vulnerability Description
When the internal webserver is enabled (default is disabled), an attacker might be able to trick an administrator logged to the dashboard into visiting a malicious website and extract information about the running configuration from the dashboard. The root cause of the issue is a misconfiguration of the Cross-Origin Resource Sharing (CORS) policy.
Source: NVD (National Vulnerability Database)
CVSS Information
CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:L/I:N/A:N
Source: NVD (National Vulnerability Database)
Vulnerability Type
N/A
Source: NVD (National Vulnerability Database)
Vulnerability Title
DNSdist 安全漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
DNSdist是DNSdist开源的一款高度感知 DNS、DoS 和滥用的负载均衡器。 DNSdist存在安全漏洞，该漏洞源于启用内部Web服务器时，跨源资源共享策略配置不当，可能导致攻击者诱骗管理员访问恶意网站并从仪表板提取运行配置信息。
Source: CNNVD (China National Vulnerability Database)
CVSS Information
N/A
Source: CNNVD (China National Vulnerability Database)
Vulnerability Type
N/A
Source: CNNVD (China National Vulnerability Database)
Affected Products
II. Public POCs for CVE-2026-0397
| # | POC Description | Source Link | Shenlong Link |
|---|
AI-Generated POCPremium
No public POC found.
Login to generate AI POCIII. Intelligence Information for CVE-2026-0397
请登录查看更多情报信息。
Same Patch Batch · PowerDNS · 2026-03-31 · 7 CVEs total
| CVE-2026-24029 | 6.5 MEDIUM | DNS over HTTPS ACL bypass |
| CVE-2026-27853 | 5.9 MEDIUM | Out-of-bounds write when rewriting large DNS packets |
| CVE-2026-24030 | 5.3 MEDIUM | Unbounded memory allocation for DoQ and DoH3 |
| CVE-2026-24028 | 5.3 MEDIUM | Out-of-bounds read when parsing DNS packets via Lua |
| CVE-2026-27854 | 4.8 MEDIUM | Use after free when parsing EDNS options in Lua |
| CVE-2026-0396 | 3.1 LOW | HTML injection in the web dashboard |
IV. Related Vulnerabilities
V. Comments for CVE-2026-0397
No comments yet