CASCACascade Atlas

Evidence dossier

CVE-2026-85102

Improper Certificate Validation in Quantum Security Gateway

Exploited in the wild (CISA KEV since Sep 22, 2026). checkpoint reports CVSS 3.1 9.8. EPSS estimates 54.2% exploit likelihood as of Oct 22, 2026.

79.2–94.2Priority evidence range
Evidence through Oct 22, 2026, 6:07 PM UTC

As of Oct 22, 2026

Normalized restatement

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.

State
PUBLISHED
Published
Sep 9, 2026
Updated
Sep 23, 2026
Evidence coverage
85%

Evidence chronology

What was known when

Download this view's receipt →
  1. Source dateFirst observed by CASCA
    CISA KEV

    Exploitation cataloged: Check Point Multiple Products Improper Certificate Validation Vulnerability

    Inspect raw assertion
    Field
    observed_exploitation
    Value
    Check Point Multiple Products Improper Certificate Validation Vulnerability
    Original evidence ↗
  2. Source dateSource date omittedFirst observed by CASCA
    checkpoint

    Record text: Improper Certificate Validation in Quantum Security Gateway

    Inspect raw assertion
    Field
    container
    Value
    Improper Certificate Validation in Quantum Security Gateway
    Original evidence ↗
  3. Source dateSource date omittedFirst observed by CASCA
    CISA-ADP

    Record text: CISA ADP Vulnrichment

    Inspect raw assertion
    Field
    container
    Value
    CISA ADP Vulnrichment
    Original evidence ↗
  4. Source dateFirst observed by CASCA
    FIRST EPSS

    EPSS score: 54.23% probability · 99.01th percentile

    Inspect raw assertion
    Field
    model_probability
    Value
    Probability 0.542300000000; percentile 0.990090000000
    Original evidence ↗
ExploitationCatalog member

CISA KEV · catalog date Sep 22, 2026 · first observed Sep 23, 2026

Exploit likelihood54.23%

FIRST EPSS · score date Oct 22, 2026 · 99th percentile · first observed Oct 22, 2026

SeverityCVSS 9.8

checkpoint · CVSS 3.1 · first observed Sep 23, 2026 · same-version scores align in this snapshot

Evidence detail

Source limits and decisions

Why each evidence state has this value

Outside this view’s verified evidence

Reason detail begins outside this selected snapshot; the state remains source-bound.

Source comparison

Who said what

CISA KEVOriginal assertion
Exploitation cataloged

Check Point Multiple Products Improper Certificate Validation Vulnerability

Inspect raw assertion
Field
observed_exploitation
Value
Check Point Multiple Products Improper Certificate Validation Vulnerability
Source dateFirst observed by CASCAOriginal evidence ↗
checkpointOriginal assertion
Record text

Improper Certificate Validation in Quantum Security Gateway

Inspect raw assertion
Field
container
Value
Improper Certificate Validation in Quantum Security Gateway
Source dateSource date omittedFirst observed by CASCAOriginal evidence ↗
CISA-ADPIndependent enrichment
Record text

CISA ADP Vulnrichment

Inspect raw assertion
Field
container
Value
CISA ADP Vulnrichment
Source dateSource date omittedFirst observed by CASCAOriginal evidence ↗
FIRST EPSSOriginal assertion
EPSS score

54.23% probability · 99.01th percentile

Inspect raw assertion
Field
model_probability
Value
Probability 0.542300000000; percentile 0.990090000000
Source dateFirst observed by CASCAOriginal evidence ↗

Applicability

Cited product scope

Trace impact →

181 scope groups

checkpoint · source assertedcheckpointQuantum Security GatewayDirect source scope
Affected: R82.10 with Jumbo Hotfix Take 43 or belowAffected: R82 with Jumbo Hotfix Take 125 or belowAffected: R81.20 with Jumbo Hotfix Take 165 or below
Source-reported scope

Canonical linkage remains open; the cited source assertion is retained below.

Inspect raw assertion[{"status": "affected", "version": "R82.10 with Jumbo Hotfix Take 43 or below"}, {"status": "affected", "version": "R82 with Jumbo Hotfix Take 125 or below"}, {"status": "affected", "version": "R81.20 with Jumbo Hotfix Take 165 or below"}]
NVD · source assertedVendor unspecified by sourceProduct unspecified by sourceDirect source scope
Version bounds not stated
Scope constrained
Inspect raw assertioncpe:2.3:h:checkpoint:quantum_3600:-:*:*:*:*:*:*:*
NVD · source assertedVendor unspecified by sourceProduct unspecified by sourceDirect source scope
Version bounds not stated
Scope constrained
Inspect raw assertioncpe:2.3:h:checkpoint:quantum_3800:-:*:*:*:*:*:*:*
NVD · source assertedVendor unspecified by sourceProduct unspecified by sourceDirect source scope
Version bounds not stated
Scope constrained
Inspect raw assertioncpe:2.3:h:checkpoint:quantum_force_19100:-:*:*:*:*:*:*:*
NVD · source assertedVendor unspecified by sourceProduct unspecified by sourceDirect source scope
Version bounds not stated
Scope constrained
Inspect raw assertioncpe:2.3:h:checkpoint:quantum_force_19200:-:*:*:*:*:*:*:*
NVD · source assertedVendor unspecified by sourceProduct unspecified by sourceDirect source scope
Version bounds not stated
Scope constrained
Inspect raw assertioncpe:2.3:h:checkpoint:quantum_force_29100:-:*:*:*:*:*:*:*
NVD · source assertedVendor unspecified by sourceProduct unspecified by sourceDirect source scope
Version bounds not stated
Scope constrained
Inspect raw assertioncpe:2.3:h:checkpoint:quantum_force_29200:-:*:*:*:*:*:*:*
NVD · source assertedVendor unspecified by sourceProduct unspecified by sourceDirect source scope
Version bounds not stated
Scope constrained
Inspect raw assertioncpe:2.3:h:checkpoint:quantum_force_3920:-:*:*:*:*:*:*:*
NVD · source assertedVendor unspecified by sourceProduct unspecified by sourceDirect source scope
Version bounds not stated
Scope constrained
Inspect raw assertioncpe:2.3:h:checkpoint:quantum_force_3950:-:*:*:*:*:*:*:*
NVD · source assertedVendor unspecified by sourceProduct unspecified by sourceDirect source scope
Version bounds not stated
Scope constrained
Inspect raw assertioncpe:2.3:h:checkpoint:quantum_force_3970:-:*:*:*:*:*:*:*
NVD · source assertedVendor unspecified by sourceProduct unspecified by sourceDirect source scope
Version bounds not stated
Scope constrained
Inspect raw assertioncpe:2.3:h:checkpoint:quantum_force_3980:-:*:*:*:*:*:*:*
NVD · source assertedVendor unspecified by sourceProduct unspecified by sourceDirect source scope
Version bounds not stated
Scope constrained
Inspect raw assertioncpe:2.3:h:checkpoint:quantum_force_9100:-:*:*:*:*:*:*:*
NVD · source assertedVendor unspecified by sourceProduct unspecified by sourceDirect source scope
Version bounds not stated
Scope constrained
Inspect raw assertioncpe:2.3:h:checkpoint:quantum_force_9200:-:*:*:*:*:*:*:*
NVD · source assertedVendor unspecified by sourceProduct unspecified by sourceDirect source scope
Version bounds not stated
Scope constrained
Inspect raw assertioncpe:2.3:h:checkpoint:quantum_force_9300:-:*:*:*:*:*:*:*
NVD · source assertedVendor unspecified by sourceProduct unspecified by sourceDirect source scope
Version bounds not stated
Scope constrained
Inspect raw assertioncpe:2.3:h:checkpoint:quantum_force_9400:-:*:*:*:*:*:*:*
NVD · source assertedVendor unspecified by sourceProduct unspecified by sourceDirect source scope
Version bounds not stated
Scope constrained
Inspect raw assertioncpe:2.3:h:checkpoint:quantum_force_9700:-:*:*:*:*:*:*:*
NVD · source assertedVendor unspecified by sourceProduct unspecified by sourceDirect source scope
Version bounds not stated
Scope constrained
Inspect raw assertioncpe:2.3:h:checkpoint:quantum_force_9800:-:*:*:*:*:*:*:*
NVD · source assertedVendor unspecified by sourceProduct unspecified by sourceDirect source scope
Version bounds not stated
Scope constrained
Inspect raw assertioncpe:2.3:h:checkpoint:quantum_lightspeed_mls200:-:*:*:*:*:*:*:*
NVD · source assertedVendor unspecified by sourceProduct unspecified by sourceDirect source scope
Version bounds not stated
Scope constrained
Inspect raw assertioncpe:2.3:h:checkpoint:quantum_lightspeed_mls400:-:*:*:*:*:*:*:*
NVD · source assertedVendor unspecified by sourceProduct unspecified by sourceDirect source scope
Version bounds not stated
Scope constrained
Inspect raw assertioncpe:2.3:h:checkpoint:quantum_lightspeed_qls250:-:*:*:*:*:*:*:*
NVD · source assertedVendor unspecified by sourceProduct unspecified by sourceDirect source scope
Version bounds not stated
Scope constrained
Inspect raw assertioncpe:2.3:h:checkpoint:quantum_lightspeed_qls450:-:*:*:*:*:*:*:*
NVD · source assertedVendor unspecified by sourceProduct unspecified by sourceDirect source scope
Version bounds not stated
Scope constrained
Inspect raw assertioncpe:2.3:h:checkpoint:quantum_lightspeed_qls650:-:*:*:*:*:*:*:*
NVD · source assertedVendor unspecified by sourceProduct unspecified by sourceDirect source scope
Version bounds not stated
Scope constrained
Inspect raw assertioncpe:2.3:h:checkpoint:quantum_lightspeed_qls800:-:*:*:*:*:*:*:*
NVD · source assertedVendor unspecified by sourceProduct unspecified by sourceDirect source scope
Version bounds not stated
Scope constrained
Inspect raw assertioncpe:2.3:h:checkpoint:quantum_spark_1530:-:*:*:*:*:*:*:*
NVD · source assertedVendor unspecified by sourceProduct unspecified by sourceDirect source scope
Version bounds not stated
Scope constrained
Inspect raw assertioncpe:2.3:h:checkpoint:quantum_spark_1535:-:*:*:*:*:*:*:*

Affected-product evidence

Accepted scope and product mapping

0 canonical links · 0 source-reported links

Applicability remains source-scoped; safety and exposure remain unassessed.

Assessments

CVSS by origin

9.8
cve@checkpoint.comCVSS 3.1 · role Secondary · priority eligiblevalid_matchCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
9.8
checkpointCVSS 3.1 · role unknown · display onlyDirect record assessment retained outside normalized eligibilityCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Evidence boundaries

  • KEV membership is authoritative for the catalog, not proof of exposure in any environment.
  • EPSS is a dated model probability and not an individual-environment prediction.
  • Affected or fixed status applies only to the exact cited product and version scope; remaining scope stays source-scoped.
  • NVD-carried upstream facts remain derivative; independent corroboration requires a separately authored source.
  • Only NVD metrics validated under the generation-bound calculator are Public Priority eligible; direct CVE record metrics remain display-only.
  • NVD CVSS source eligibility is closed: NVD-authored, exact record-source, or registered same-CVE container origin; unmapped sources remain display-only.
  • Factor D remains source-scoped; an accepted canonical mapping-obligation ledger lies outside this snapshot.
  • Core replay supports the active and immediately prior generation; retrospective valid-at replay is deferred.
  • OSV aggregation and OSV-converted NVD material are not independent corroboration.
  • Red Hat facts are vendor assertions for the exact supplied products.
  • Nonmembership and not-yet-observed states are not proof of safety.