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TI-2024-26757 Aliases CVE-2024-39844GHSA-qh94-pjxq-88v7

In ZNC before 1.9.1, remote code execution can occur in modtcl via a KICK.

Priority MEDIUM 55CWE-94Published · Updated

Key facts

Attack vector
Network
Privileges required
None
User interaction
None
Attack complexity
Low
Impact type
Code execution
Confidentiality · integrity · availability
High · High · High
Fix status
No fix listed

Attack profile from CVSS 3.1 · CISA ADP. Fix status from CNA. Impact type from CWE-94.

Summary

In ZNC before 1.9.1, remote code execution can occur in modtcl via a KICK.

Why it matters now

Exploitation None reported CISA SSVC · not in CISA KEV
EPSS 0.03862 90th percentileScored 2026-11-07
Fix No fix listed No fixed version in the sources yet

SSVC decision points

CISA ADP · SSVC 2.0.3

Exploitation
None
Automatable
Yes
Technical impact
Total

The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.

Affected products

VendorProductAffected versionsFixed inStatusSource
——all versions—No fix listedCNA
  • — Vendor— Affected all versions Fixed in — No fix listed CNA

CPE names CISA-ADP · 1

CPEVersionsRoleVendor
cpe:2.3:a:znc:znc:*:*:*:*:*:*:*:*——znc
  • cpe:2.3:a:znc:znc:*:*:*:*:*:*:*:* Versions — — ·znc

Remediation

No fixed version listed by the sources yet.

Vendor assessments

Red Hat

Red Hat's page for this CVE →

Not affected: 1 product
  • Red Hat

Timeline

  1. 2026-10-02 Threatist record created from CVE-2024-39844
  2. 2026-10-03 Alias added: GHSA-qh94-pjxq-88v7
  3. 2026-10-14 EPSS moved to the 90th–95th percentile

References

Sources