CVE-2026-123039
CVE-2026-123039 is a high-severity vulnerability (CVSS 3.1 base score 7.8). Check Point Firewall, Multi-Domain Security Management Server, Scalable Platforms, Security Gateway, and Security Management Server contain an incorrect permissions assignment for critical resources vulnerability when the Gaia OS DynamicCLI daemon runs as root and listens on a world-writable local socket without authenticating connecting processes. CISA added it to the Known Exploited Vulnerabilities catalog on 2026-11-13, with a remediation due date of 2026-11-16 for US federal civilian agencies. As of 2026-11-14, EPSS estimates a 1.3% probability of exploitation in the next 30 days, in the 70th percentile of scored CVEs.
Updated
Check Point Multiple Products Incorrect Permission Assignment for Critical Resource Vulnerability is confirmed as actively exploited and is listed in the CISA KEV catalog.
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.
CISA notes
https://support.checkpoint.com/results/sk/sk1000362 ; 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-2026-123039
Description
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.
Key Findings
as of 2026-11-14- CISA added CVE-2026-123039 to the KEV catalog 1 day after its CVE record was published. The median for entries added in 2026 so far is 12 days.
- It is one of 6 Check Point entries in the CISA KEV catalog, and one of 5 added in 2026.
- Its current EPSS score (1.3%) is higher than that of 4% of CISA KEV entries.
Severity
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:HOpen in CVSS calculator Affected Products
| Vendor | Product | Affected versions |
|---|---|---|
| checkpoint | checkpoint Quantum Security Gateway | R82.10 with Jumbo Hotfix Take 50 or below R82.20 with Jumbo Hotfix Take 10 or below R82 with Jumbo Hotfix Take 130 or below R81.20 with Jumbo Hotfix Take 173 or below |
| checkpoint | checkpoint Quantum Security Management | R82.10 with Jumbo Hotfix Take 50 or below R82.20 with Jumbo Hotfix Take 10 or below R82 with Jumbo Hotfix Take 130 or below R81.20 with Jumbo Hotfix Take 173 or below |
References
1 linksOther references
Record Details
- Published
- 2026-11-12
- Last updated
- 2026-11-14
- Assigner (CNA)
- checkpoint
- Credited to
- -
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CVE record data © The MITRE Corporation, used under the CVE Terms of Use. Exploited-in-the-wild data from the CISA Known Exploited Vulnerabilities catalog (CC0). Exploit prediction scores by FIRST EPSS (first.org/epss). Alert titles and links from CISA cybersecurity alerts. This site is not affiliated with or endorsed by MITRE, NVD, CISA, or FIRST.