CVSS 3.1
8.6 highCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:N/I:H/A:NCVE-2026-114713
High (8.6) in unrealircd unrealircd. EPSS 0.3% estimated probability of exploitation activity in the next 30 days.
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The labeled-response module in UnrealIRCd 6.0.0 before 6.2.7.1 does not escape the IRCv3 "label" message tag when echoing it into replies, which allows any user on a network with two or more linked servers to inject server-to-server commands that are executed with server authority.
Severity
- EPSS
- 0.3% estimated probability of exploitation activity in the next 30 days; 23rd percentile. Scored 2026-11-10. A forecast for this CVE across the internet, not for your own systems.
- CWE
- CWE-140 Improper Neutralization of Delimiters
- Published
- Modified
- NVD analysis
- Deferred: the NVD does not plan to analyze it
- Record from
- the NVD, synced
Ask an AI about this CVE
Show the prompt
Explain CVE-2026-114713 for an engineer deciding whether to act. Use https://cve.bz/api/public/cves/CVE-2026-114713?via=ask-ai-copy and https://cve.bz/cve/CVE-2026-114713?via=ask-ai-copy as the source of truth: what is affected and which versions fix it, whether it is in CISA KEV, public exploits, and its EPSS (an internet-wide 30-day estimate of exploitation activity, not a forecast for my systems). If they give no fixed versions, use the CVE record https://cveawg.mitre.org/api/cve/CVE-2026-114713 or the vendor advisory, not third-party mirrors. Tell me how to check whether I am affected and how to verify a fix. Cite the sources and say where they are uncertain.Opens a third-party assistant; its answer is its own, not cve.bz's. The prompt holds only this CVE's id and public links.
Affected
Versions
From the CNA's record in the CVE List.
| Product | Affected |
|---|---|
| UnrealIRCd | before 6.2.7.1 |
Linux distributions
| Distribution | Release | Package | Fixed in | Advisory |
|---|---|---|---|---|
| Alpine | v3.24 | unrealircd | 6.1.10-r1 | ALPINE-CVE-2026-114713 |
From the distributions' data via OSV.dev: the Alpine secdb, CC BY-SA 4.0. Modified: reformatted and linked to CVE records. Credits. On the distributions' own pages: Alpine.
Attack patterns (CAPEC)
- CAPEC-15 Command Delimiters Likelihood: High · Severity: High
The attack patterns MITRE's CAPEC relates to this record's weaknesses, as MITRE names them. Credits.