CVE-2026-52690— Spoofed answers can mark an authoritative non-EDNS capable
Get alerts for future matching vulnerabilitiesLog in to subscribe
I. Basic Information for CVE-2026-52690
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View Shenlong Deep Dive ↗ Although we use advanced large model technology, its output may still contain inaccurate or outdated information.Shenlong tries to ensure data accuracy, but please verify and judge based on the actual situation.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
Spoofed answers can mark an authoritative non-EDNS capable
Source: NVD (National Vulnerability Database)
Vulnerability Description
Spoofing replies to Recursor might mark an IP of an authoritative server as not supporting EDNS, causing valdiation of DNSSEC records served by that server to fail.
Source: NVD (National Vulnerability Database)
CVSS Information
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:H
Source: NVD (National Vulnerability Database)
Vulnerability Type
N/A
Source: NVD (National Vulnerability Database)
Affected Products
II. Public POCs for CVE-2026-52690
| # | POC Description | Source Link | Shenlong Link |
|---|
AI-Generated POCPremium
No public POC found.
Login to generate AI POCIII. Intelligence Information for CVE-2026-52690
请登录查看更多情报信息。
Other References for CVE-2026-52690 (1)
Same Patch Batch · PowerDNS · 2026-06-25 · 14 CVEs total
| CVE-2026-33612 | 7.5 HIGH | ZoneToCache can poison the cache |
| CVE-2026-42387 | 5.9 MEDIUM | Insufficient input validation in ZoneToCache |
| CVE-2026-42388 | 5.9 MEDIUM | Missing input validation for catalog zones |
| CVE-2026-42390 | 5.3 MEDIUM | ZONEMD validation can be bypassed |
| CVE-2026-42389 | 5.3 MEDIUM | Reject more queries with invalid header values |
| CVE-2026-40209 | 5.3 MEDIUM | Denial of service via IXFR queries |
| CVE-2026-40211 | 5.3 MEDIUM | Denial of service via crafted DoH3 queries |
| CVE-2026-40012 | 5.3 MEDIUM | Information about ECS zero scoped answers might leak to clients that use a specific ECS |
| CVE-2026-40210 | 4.8 MEDIUM | Out-of-bounds read in SetMacAddrAction |
| CVE-2026-42005 | 4.3 MEDIUM | Insufficient input validation of internal web server |
| CVE-2026-42004 | 3.7 LOW | EDNS options smuggling |
| CVE-2026-40011 | 3.7 LOW | Prometheus denial of service via crafted DNS queries |
| CVE-2026-40208 | 3.7 LOW | Denial of service via DoH3 queries |
IV. Related Vulnerabilities
V. Comments for CVE-2026-52690
No comments yet