Vulnerability details
CVE-2026-85102
Actively exploited
checkpoint Quantum Security Gateway
Improper Certificate Validation in Quantum Security Gateway
CVSS 3.1
9.8Critical
Official description
Improper certificate trust validation during VPN negotiation in Check Point Quantum Security Gateway may allow an unauthenticated remote attacker to execute arbitrary code on the Gateway.
CVSS scores
| Score | Version | Source | Vector |
|---|---|---|---|
| 9.8Critical | 3.1 | CVEProject cvelistV5 (CNA) (checkpoint) | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H |
Affected products
| Vendor | Product | Versions | Source |
|---|---|---|---|
| checkpoint | Quantum Security Gateway | R81.20 with Jumbo Hotfix Take 165 or below | CVEProject cvelistV5 (CNA) |
| checkpoint | Quantum Security Gateway | R82 with Jumbo Hotfix Take 125 or below | CVEProject cvelistV5 (CNA) |
| checkpoint | Quantum Security Gateway | R82.10 with Jumbo Hotfix Take 43 or below | CVEProject cvelistV5 (CNA) |
References and advisories
3- https://support.checkpoint.com/results/sk/sk1000117
- https://blog.checkpoint.com/security/security-advisory-action-required-active-exploitation-of-cve-2026-85102-and-a-management-pre-authentication-vulnerability-cve-2026-93616/ vendor-advisory
- https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2026-85102 government-resource
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Details
- Published
- 2026-09-09
- Last updated
- 2026-09-23
- State
- Published
- Assigner (CNA)
- checkpoint
- Kolun priority
- 85 · Critical
CISA KEV catalog
- Date added
- 2026-09-22
- Due date
- 2026-09-25
- Used in ransomware
- Unknown
Exploit prediction (EPSS)
54.14%
Probability of exploitation in 30 days
99%
Percentile (among all CVEs)
SSVC assessment (CISA)
- Automatable
- Yes
- Exploitation
- Active
- Technical impact
- Total
Weaknesses (CWE)
- CWE-295Improper Certificate Validation.