CVSS 3.1
7.8 highCVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:HCVE-2026-123039 Local privilege escalation to root in the DynamicCLI daemon via local world-writable control socket
High (7.8) in Check Point Multiple Products. In CISA KEV since 2026-11-13. EPSS 1.3% estimated probability of exploitation activity in the next 30 days.
On this page
The Gaia OS DynamicCLI daemon runs as root and listens on a world-writable local socket (/tmp/dynamic_socket) without authenticating connecting processes. An authenticated local user can send a command to the socket and have it executed as root.
Severity
- EPSS
- 1.3% estimated probability of exploitation activity in the next 30 days; 70th percentile. Scored 2026-11-13. A forecast for this CVE across the internet, not for your own systems.
- CISA KEV
- listed 2026-11-13, due 2026-11-16
- CISA's assessment (SSVC)
- Exploitation: active · Automatable: no · Technical impact: total, assessed 2026-11-13. From CISA's Vulnrichment in the CVE List: whether it is exploited, whether exploiting it can be automated, and how much control it gives.
- OWASP Top 10
- A01:2025 Broken Access Control
- Published
- Modified
- Assigned by
- checkpoint (CNA)
- NVD analysis
- Under analysis
- Record from
- the NVD, synced
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Explain CVE-2026-123039 for an engineer deciding whether to act. Use https://cve.bz/api/public/cves/CVE-2026-123039?via=ask-ai-copy and https://cve.bz/cve/CVE-2026-123039?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-2026-123039 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.
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Affected
- checkpoint:quantum security gateway
- checkpoint:quantum security management
Versions
From the CNA's record in the CVE List.
| Product | Affected |
|---|---|
| checkpoint Quantum Security Gateway | R82.10 with Jumbo Hotfix Take 50 or below |
| checkpoint Quantum Security Gateway | R82.20 with Jumbo Hotfix Take 10 or below |
| checkpoint Quantum Security Gateway | R82 with Jumbo Hotfix Take 130 or below |
| checkpoint Quantum Security Gateway | R81.20 with Jumbo Hotfix Take 173 or below |
| checkpoint Quantum Security Management | R82.10 with Jumbo Hotfix Take 50 or below |
| checkpoint Quantum Security Management | R82.20 with Jumbo Hotfix Take 10 or below |
| checkpoint Quantum Security Management | R82 with Jumbo Hotfix Take 130 or below |
| checkpoint Quantum Security Management | R81.20 with Jumbo Hotfix Take 173 or below |
GitHub PoC (unverified)
Repositories on GitHub named after this CVE. Nobody has checked them and they are not scanned: some hold a working proof of concept, some nothing useful, and some malware made to look like one. Read the code before you run any of it.
- googlesky/CVE-2026-123039 3 stars, Shell, created
Containerised PoC for CVE-2026-123039: the Check Point Gaia OS Dynamic CLI daemon publishes /tmp/dynamic_socket world-writable and authenti…
Attack patterns (CAPEC)
- CAPEC-665 Exploitation of Thunderbolt Protection Flaws Likelihood: Low · Severity: Very High
The attack patterns MITRE's CAPEC relates to this record's weaknesses, as MITRE names them. Credits. More on the page of CWE-732 (11).
History
- Listed in CISA KEV
Changes since this site first stored the record. The same for every record: /api/public/changes.