WhatCyber / CISA KEV catalog / CVE-2026-114713
CVE-2026-114713: UnrealIRCd UnrealIRCd
UnrealIRCd Improper Neutralization of Delimiters Vulnerability
Actively exploited (CISA KEV) HIGH severity
Description
UnrealIRCd UnrealIRCd contains an improper neutralization of delimiters vulnerability that allows any user on a network with two or more linked servers to inject server-to-server commands that are executed with server authority.
Key facts
- CVSS v3
- 8.6 (HIGH)
- CVSS vector
- CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:N/I:H/A:N
- Published
- 2026-11-08
- Last modified
- 2026-11-14
- NVD status
- Undergoing Analysis
- Added to CISA KEV
- 2026-11-13
- CISA due date
- 2026-11-16
Required action
Apply mitigations in accordance with vendor instructions, ensuring compliance with CISA’s BOD 26-04 Prioritizing Security Updates Based on Risk (see URL in Notes) guidance and CISA’s “Forensics Triage Requirements” (see URL in Notes). Follow applicable BOD 26-04 guidance for cloud services or discontinue use of the product if mitigations are unavailable. Stakeholders are responsible for evaluating each asset's internet exposure and ensuring adherence to BOD 26-04 patching guidelines.
https://forums.unrealircd.org/viewtopic.php?t=9487 ; BOD 26-04: https://www.cisa.gov/news-events/directives/bod-26-04-prioritizing-security-updates-based-risk ; Forensics Triage Requirements: https://www.cisa.gov/news-events/directives/bod-26-04-implementation-guidance-prioritizing-security-updates-based-risk ; https://nvd.nist.gov/vuln/detail/CVE-2026-114713
Weaknesses (CWE)
- CWE-140
References
- https://forums.unrealircd.org/viewtopic.php?t=9487
- https://www.unrealircd.org/
- https://www.unrealircd.org/index/news
- http://www.openwall.com/lists/oss-security/2026/11/08/1
- https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2026-114713