CVE-2026-91843 (GCVE-0-2026-91843)
Vulnerability from cvelistv5 – Published: 2026-09-16 13:03 – Updated: 2026-09-17 11:39
VLAI
EPSS
VEX
Title
Stack overflow in login process to the Security Management and Log Servers
Summary
A stack overflow during the unauthenticated login process may allow an attacker to run arbitrary code remotely with root privileges.
Severity
9.8 (Critical)
SSVC
Exploitation: none
Automatable: yes
Technical Impact: total
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-09-17 03:56 UTC
CWE
- CWE-121 - Stack-based Buffer Overflow.
Assigner
References
1 reference
Impacted products
1 product
| Vendor | Product | Version | CPE status | |
|---|---|---|---|---|
| checkpoint | Quantum Security Management |
Affected:
R82.10 with Jumbo Hotfix Take 44 or below
Affected: R82 with Jumbo Hotfix Take 126 or below Affected: R81.20 with Jumbo Hotfix Take 166 or below Affected: R81.10 (EOS) with Jumbo Hotfix Take 190 or below Affected: R81 (EOS) Affected: R80.40 (EOS) Affected: R80.30 (EOS) Affected: R80.20 (EOS) Affected: R80.10 (EOS) Affected: R80 (EOS) |
guessed |
{
"containers": {
"adp": [
{
"metrics": [
{
"other": {
"content": {
"id": "CVE-2026-91843",
"options": [
{
"Exploitation": "none"
},
{
"Automatable": "yes"
},
{
"Technical Impact": "total"
}
],
"role": "CISA Coordinator",
"timestamp": "2026-09-17T03:56:52.301574Z",
"version": "2.0.3"
},
"type": "ssvc"
}
}
],
"providerMetadata": {
"dateUpdated": "2026-09-17T11:39:25.299Z",
"orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
"shortName": "CISA-ADP"
},
"title": "CISA ADP Vulnrichment"
}
],
"cna": {
"affected": [
{
"product": "Quantum Security Management",
"vendor": "checkpoint",
"versions": [
{
"status": "affected",
"version": "R82.10 with Jumbo Hotfix Take 44 or below"
},
{
"status": "affected",
"version": "R82 with Jumbo Hotfix Take 126 or below"
},
{
"status": "affected",
"version": "R81.20 with Jumbo Hotfix Take 166 or below"
},
{
"status": "affected",
"version": "R81.10 (EOS) with Jumbo Hotfix Take 190 or below"
},
{
"status": "affected",
"version": "R81 (EOS)"
},
{
"status": "affected",
"version": "R80.40 (EOS)"
},
{
"status": "affected",
"version": "R80.30 (EOS)"
},
{
"status": "affected",
"version": "R80.20 (EOS)"
},
{
"status": "affected",
"version": "R80.10 (EOS)"
},
{
"status": "affected",
"version": "R80 (EOS)"
}
]
}
],
"descriptions": [
{
"lang": "en",
"value": "A stack overflow during the unauthenticated login process may allow an attacker to run arbitrary code remotely with root privileges."
}
],
"metrics": [
{
"cvssV3_1": {
"attackComplexity": "LOW",
"attackVector": "NETWORK",
"availabilityImpact": "HIGH",
"baseScore": 9.8,
"baseSeverity": "CRITICAL",
"confidentialityImpact": "HIGH",
"integrityImpact": "HIGH",
"privilegesRequired": "NONE",
"scope": "UNCHANGED",
"userInteraction": "NONE",
"vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H",
"version": "3.1"
},
"format": "CVSS",
"scenarios": [
{
"lang": "en",
"value": "GENERAL"
}
]
}
],
"problemTypes": [
{
"descriptions": [
{
"cweId": "CWE-121",
"description": "CWE-121: Stack-based Buffer Overflow.",
"lang": "en",
"type": "CWE"
}
]
}
],
"providerMetadata": {
"dateUpdated": "2026-09-16T13:03:40.553Z",
"orgId": "897c38be-0345-43cd-b6cf-fe179e0c4f45",
"shortName": "checkpoint"
},
"references": [
{
"url": "https://support.checkpoint.com/results/sk/sk1000155"
}
],
"title": "Stack overflow in login process to the Security Management and Log Servers",
"x_generator": {
"engine": "cvelib 1.8.0"
}
}
},
"cveMetadata": {
"assignerOrgId": "897c38be-0345-43cd-b6cf-fe179e0c4f45",
"assignerShortName": "checkpoint",
"cveId": "CVE-2026-91843",
"datePublished": "2026-09-16T13:03:40.553Z",
"dateReserved": "2026-09-15T08:30:18.206Z",
"dateUpdated": "2026-09-17T11:39:25.299Z",
"state": "PUBLISHED"
},
"dataType": "CVE_RECORD",
"dataVersion": "5.2",
"vulnerability-lookup:meta": {
"epss": {
"cve": "CVE-2026-91843",
"date": "2026-09-17",
"epss": "0.005",
"percentile": "0.41691"
},
"nvd": "{\"cve\":{\"id\":\"CVE-2026-91843\",\"sourceIdentifier\":\"cve@checkpoint.com\",\"published\":\"2026-09-16T14:17:13.947\",\"lastModified\":\"2026-09-17T12:18:29.687\",\"vulnStatus\":\"Received\",\"cveTags\":[],\"descriptions\":[{\"lang\":\"en\",\"value\":\"A stack overflow during the unauthenticated login process may allow an attacker to run arbitrary code remotely with root privileges.\"}],\"affected\":[{\"source\":\"cve@checkpoint.com\",\"affectedData\":[{\"vendor\":\"checkpoint\",\"product\":\"Quantum Security Management\",\"versions\":[{\"version\":\"R82.10 with Jumbo Hotfix Take 44 or below\",\"status\":\"affected\"},{\"version\":\"R82 with Jumbo Hotfix Take 126 or below\",\"status\":\"affected\"},{\"version\":\"R81.20 with Jumbo Hotfix Take 166 or below\",\"status\":\"affected\"},{\"version\":\"R81.10 (EOS) with Jumbo Hotfix Take 190 or below\",\"status\":\"affected\"},{\"version\":\"R81 (EOS)\",\"status\":\"affected\"},{\"version\":\"R80.40 (EOS)\",\"status\":\"affected\"},{\"version\":\"R80.30 (EOS)\",\"status\":\"affected\"},{\"version\":\"R80.20 (EOS)\",\"status\":\"affected\"},{\"version\":\"R80.10 (EOS)\",\"status\":\"affected\"},{\"version\":\"R80 (EOS)\",\"status\":\"affected\"}]}]}],\"metrics\":{\"cvssMetricV31\":[{\"source\":\"cve@checkpoint.com\",\"type\":\"Secondary\",\"cvssData\":{\"version\":\"3.1\",\"vectorString\":\"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H\",\"baseScore\":9.8,\"baseSeverity\":\"CRITICAL\",\"attackVector\":\"NETWORK\",\"attackComplexity\":\"LOW\",\"privilegesRequired\":\"NONE\",\"userInteraction\":\"NONE\",\"scope\":\"UNCHANGED\",\"confidentialityImpact\":\"HIGH\",\"integrityImpact\":\"HIGH\",\"availabilityImpact\":\"HIGH\"},\"exploitabilityScore\":3.9,\"impactScore\":5.9}],\"ssvcV203\":[{\"source\":\"134c704f-9b21-4f2e-91b3-4a467353bcc0\",\"ssvcData\":{\"timestamp\":\"2026-09-17T03:56:52.301574Z\",\"id\":\"CVE-2026-91843\",\"options\":[{\"exploitation\":\"none\"},{\"automatable\":\"yes\"},{\"technicalImpact\":\"total\"}],\"role\":\"CISA Coordinator\",\"version\":\"2.0.3\"}}]},\"weaknesses\":[{\"source\":\"cve@checkpoint.com\",\"type\":\"Secondary\",\"description\":[{\"lang\":\"en\",\"value\":\"CWE-121\"}]}],\"references\":[{\"url\":\"https://support.checkpoint.com/results/sk/sk1000155\",\"source\":\"cve@checkpoint.com\"}]}}"
}
}
Loading…
Loading…
Experimental. This forecast is provided for visualization only and may change without notice. Do not use it for operational decisions.
Forecast uses a logistic model when the trend is rising, or an exponential decay model when the trend is falling. Fitted via linearized least squares.
Sightings
| Author | Source | Type | Date | Other |
|---|
Nomenclature
- Seen: The vulnerability was mentioned, discussed, or observed by the user.
- Confirmed: The vulnerability has been validated from an analyst's perspective.
- Published Proof of Concept: A public proof of concept is available for this vulnerability.
- Exploited: The vulnerability was observed as exploited by the user who reported the sighting.
- Patched: The vulnerability was observed as successfully patched by the user who reported the sighting.
- Not exploited: The vulnerability was not observed as exploited by the user who reported the sighting.
- Not confirmed: The user expressed doubt about the validity of the vulnerability.
- Not patched: The vulnerability was not observed as successfully patched by the user who reported the sighting.
Loading…
The MITRE ATT&CK techniques below are AI-generated suggestions, inferred from the description of the
vulnerability by the CIRCL/vulnerability-attack-technique-classification-roberta-base
model, served locally by ML-Gateway.
They have not been verified by an analyst and are provided for guidance only.
The approach is described in our paper Mapping CVEs to MITRE ATT&CK Techniques: A Curated Gold-Set Classifier and the Limits of LLM-Assisted Label Expansion.
Browse all ATT&CK techniques and the vulnerabilities related to each.
The approach is described in our paper Mapping CVEs to MITRE ATT&CK Techniques: A Curated Gold-Set Classifier and the Limits of LLM-Assisted Label Expansion.
Browse all ATT&CK techniques and the vulnerabilities related to each.
Loading…
Related by attack behaviour
Vulnerabilities whose description is nearest to this one in the vector space of the CIRCL/vulnerability-attack-technique-biencoder model. This is a similarity search over the bi-encoder space (plain cosine), not a classification, and it has no measured accuracy.
Loading…