HIGHVulnerability
CVE-2026-90668
The webserver in UnrealIRCd 6.0.5 through 6.2.6 before 6.2.7 does not limit the number of HTTP request headers, which allows remote attackers to cause a denial of service (memory consumption and unresponsive server) via an HTTP request with an unlimited number of headers, if a websocket or JSON-RPC listener is enabled (disabled by default).
Properties
- severity
- HIGH
- score
- 7.5
- cve_id
- CVE-2026-90668
- signal_observed_at
- 2026-09-23T04:35:40+00:00
- vector
- CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
- published_at
- 2026-09-13T02:17:05.103
- last_modified
- 2026-09-22T20:00:03.713
Related Entities (2)
HAS_WEAKNESS (1)
→[Weakness]Allocation of Resources Without Limits or Throttling
DESCRIBED_BY (1)
→[Source]NVD
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