CVE-2026-45557Disclosure

LOWCVSS 6.9 · MEDIUM

Signal is active with 1 mentions in latest observed window

Immediate actions

Track advisory updates for patch or workaround availability

Recommended action window: Monitor and triage in normal cycle

NVD description

Technitium DNS Server aggressively tries to fetch missing RRSIG records or mismatched DNSKEY records. An attacker in control of a domain can cause a vulnerable system to generate excessive network traffic. Fixed in 15.0.

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0.0/ 10 priority

Sources & remediation

Other references

Weakness type (CWE)

CWE-405CWE-406CWE-770

Priority

LOW

Exploitation

NONE

PoC

NONE

Patch

NONE

Momentum

NONE

Threat summary

1 mentions across 1 observed day

What's happening

Technical details provided in 1 signal
Disclosure: 1 classified signal
1 total mentions across 1 day

Deep dive

Activity timeline1 mentions / 1d

Signal classification1 categories

Disclosure

1100.0%

Referenced assets1 URL

By indicator

https://www.cve.org/CVERecord?id=CVE-2026-45557

Full discourse1 post

CVE@CVEnew141d
Disclosure
CVE-2026-45557 Technitium DNS Server aggressively tries to fetch missing RRSIG records or mismatched DNSKEY records. An attacker in control of a domain can cause a vulnerable system… https://www.cve.org/CVERecord?id=CVE-2026-45557
Post summary
The brief description reveals that Technitium DNS Server’s aggressive DNSSEC record fetching can be abused by a domain controller to impact a vulnerable system, highlighting the vulnerability’s technical nature.
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57.5K followersView on X

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