CVE-2026-22153 (GCVE-0-2026-22153)
Vulnerability from cvelistv5 – Published: 2026-02-10 15:39 – Updated: 2026-02-26 15:04
VLAI
EPSS
VEX
Summary
An Authentication Bypass by Primary Weakness vulnerability [CWE-305] vulnerability in Fortinet FortiOS 7.6.0 through 7.6.4 may allow an unauthenticated attacker to bypass LDAP authentication of Agentless VPN or FSSO policy, when the remote LDAP server is configured in a specific way.
Severity
SSVC
Exploitation: none
Automatable: no
Technical Impact: total
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-02-11 04:56 UTC
CWE
- CWE-305 - Improper access control
Assigner
References
1 reference
Impacted products
1 product
| Vendor | Product | Version | CPE status | |
|---|---|---|---|---|
| Fortinet | FortiOS |
Affected:
7.6.0 , ≤ 7.6.4
(semver)
cpe:2.3:o:fortinet:fortios:7.6.4:*:*:*:*:*:*:* cpe:2.3:o:fortinet:fortios:7.6.3:*:*:*:*:*:*:* cpe:2.3:o:fortinet:fortios:7.6.2:*:*:*:*:*:*:* cpe:2.3:o:fortinet:fortios:7.6.1:*:*:*:*:*:*:* cpe:2.3:o:fortinet:fortios:7.6.0:*:*:*:*:*:*:* |
{
"containers": {
"adp": [
{
"metrics": [
{
"other": {
"content": {
"id": "CVE-2026-22153",
"options": [
{
"Exploitation": "none"
},
{
"Automatable": "no"
},
{
"Technical Impact": "total"
}
],
"role": "CISA Coordinator",
"timestamp": "2026-02-11T04:56:21.036753Z",
"version": "2.0.3"
},
"type": "ssvc"
}
}
],
"providerMetadata": {
"dateUpdated": "2026-02-26T15:04:11.526Z",
"orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
"shortName": "CISA-ADP"
},
"title": "CISA ADP Vulnrichment"
}
],
"cna": {
"affected": [
{
"cpes": [
"cpe:2.3:o:fortinet:fortios:7.6.4:*:*:*:*:*:*:*",
"cpe:2.3:o:fortinet:fortios:7.6.3:*:*:*:*:*:*:*",
"cpe:2.3:o:fortinet:fortios:7.6.2:*:*:*:*:*:*:*",
"cpe:2.3:o:fortinet:fortios:7.6.1:*:*:*:*:*:*:*",
"cpe:2.3:o:fortinet:fortios:7.6.0:*:*:*:*:*:*:*"
],
"defaultStatus": "unaffected",
"product": "FortiOS",
"vendor": "Fortinet",
"versions": [
{
"lessThanOrEqual": "7.6.4",
"status": "affected",
"version": "7.6.0",
"versionType": "semver"
}
]
}
],
"descriptions": [
{
"lang": "en",
"value": "An Authentication Bypass by Primary Weakness vulnerability [CWE-305] vulnerability in Fortinet FortiOS 7.6.0 through 7.6.4 may allow an unauthenticated attacker to bypass LDAP authentication of Agentless VPN or FSSO policy, when the remote LDAP server is configured in a specific way."
}
],
"metrics": [
{
"cvssV3_1": {
"attackComplexity": "HIGH",
"attackVector": "NETWORK",
"availabilityImpact": "HIGH",
"baseScore": 7.5,
"baseSeverity": "HIGH",
"confidentialityImpact": "HIGH",
"integrityImpact": "HIGH",
"privilegesRequired": "NONE",
"scope": "UNCHANGED",
"userInteraction": "NONE",
"vectorString": "CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H/E:F/RL:O/RC:C",
"version": "3.1"
},
"format": "CVSS"
}
],
"problemTypes": [
{
"descriptions": [
{
"cweId": "CWE-305",
"description": "Improper access control",
"lang": "en",
"type": "CWE"
}
]
}
],
"providerMetadata": {
"dateUpdated": "2026-02-10T15:39:12.214Z",
"orgId": "6abe59d8-c742-4dff-8ce8-9b0ca1073da8",
"shortName": "fortinet"
},
"references": [
{
"name": "https://fortiguard.fortinet.com/psirt/FG-IR-25-1052",
"url": "https://fortiguard.fortinet.com/psirt/FG-IR-25-1052"
}
],
"solutions": [
{
"lang": "en",
"value": "Upgrade to upcoming FortiOS version 8.0.0 or above\nUpgrade to FortiOS version 7.6.5 or above"
}
]
}
},
"cveMetadata": {
"assignerOrgId": "6abe59d8-c742-4dff-8ce8-9b0ca1073da8",
"assignerShortName": "fortinet",
"cveId": "CVE-2026-22153",
"datePublished": "2026-02-10T15:39:12.214Z",
"dateReserved": "2026-01-06T15:01:17.446Z",
"dateUpdated": "2026-02-26T15:04:11.526Z",
"state": "PUBLISHED"
},
"dataType": "CVE_RECORD",
"dataVersion": "5.2",
"vulnerability-lookup:meta": {
"epss": {
"cve": "CVE-2026-22153",
"date": "2026-09-26",
"epss": "0.0071",
"percentile": "0.51634"
},
"nvd": {
"cve": {
"affected": [
{
"affectedData": [
{
"cpes": [
"cpe:2.3:o:fortinet:fortios:7.6.4:*:*:*:*:*:*:*",
"cpe:2.3:o:fortinet:fortios:7.6.3:*:*:*:*:*:*:*",
"cpe:2.3:o:fortinet:fortios:7.6.2:*:*:*:*:*:*:*",
"cpe:2.3:o:fortinet:fortios:7.6.1:*:*:*:*:*:*:*",
"cpe:2.3:o:fortinet:fortios:7.6.0:*:*:*:*:*:*:*"
],
"defaultStatus": "unaffected",
"product": "FortiOS",
"vendor": "Fortinet",
"versions": [
{
"lessThanOrEqual": "7.6.4",
"status": "affected",
"version": "7.6.0",
"versionType": "semver"
}
]
}
],
"source": "psirt@fortinet.com"
}
],
"configurations": [
{
"nodes": [
{
"cpeMatch": [
{
"criteria": "cpe:2.3:o:fortinet:fortios:*:*:*:*:*:*:*:*",
"matchCriteriaId": "26DF2CCC-782C-4AE8-8CDE-13FFEE8676E6",
"versionEndExcluding": "7.6.5",
"versionStartIncluding": "7.6.0",
"vulnerable": true
}
],
"negate": false,
"operator": "OR"
}
]
}
],
"cveTags": [],
"descriptions": [
{
"lang": "en",
"value": "An Authentication Bypass by Primary Weakness vulnerability [CWE-305] vulnerability in Fortinet FortiOS 7.6.0 through 7.6.4 may allow an unauthenticated attacker to bypass LDAP authentication of Agentless VPN or FSSO policy, when the remote LDAP server is configured in a specific way."
},
{
"lang": "es",
"value": "Una vulnerabilidad de omisi\u00f3n de autenticaci\u00f3n por debilidad primaria [CWE-305] en Fortinet FortiOS 7.6.0 hasta 7.6.4 podr\u00eda permitir a un atacante no autenticado omitir la autenticaci\u00f3n LDAP de la pol\u00edtica de VPN sin agente o FSSO, cuando el servidor LDAP remoto est\u00e1 configurado de una manera espec\u00edfica."
}
],
"id": "CVE-2026-22153",
"lastModified": "2026-06-17T10:19:27.010",
"metrics": {
"cvssMetricV31": [
{
"cvssData": {
"attackComplexity": "HIGH",
"attackVector": "NETWORK",
"availabilityImpact": "HIGH",
"baseScore": 8.1,
"baseSeverity": "HIGH",
"confidentialityImpact": "HIGH",
"integrityImpact": "HIGH",
"privilegesRequired": "NONE",
"scope": "UNCHANGED",
"userInteraction": "NONE",
"vectorString": "CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H",
"version": "3.1"
},
"exploitabilityScore": 2.2,
"impactScore": 5.9,
"source": "psirt@fortinet.com",
"type": "Secondary"
}
],
"ssvcV203": [
{
"source": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
"ssvcData": {
"id": "CVE-2026-22153",
"options": [
{
"exploitation": "none"
},
{
"automatable": "no"
},
{
"technicalImpact": "total"
}
],
"role": "CISA Coordinator",
"timestamp": "2026-02-11T04:56:21.036753Z",
"version": "2.0.3"
}
}
]
},
"published": "2026-02-10T16:16:11.050",
"references": [
{
"source": "psirt@fortinet.com",
"tags": [
"Vendor Advisory"
],
"url": "https://fortiguard.fortinet.com/psirt/FG-IR-25-1052"
}
],
"sourceIdentifier": "psirt@fortinet.com",
"vulnStatus": "Analyzed",
"weaknesses": [
{
"description": [
{
"lang": "en",
"value": "CWE-305"
}
],
"source": "psirt@fortinet.com",
"type": "Secondary"
}
]
}
},
"redhat_vex": {
"current_release_date": "2026-03-27T08:05:32+00:00",
"cve": "CVE-2026-22153",
"id": "CVE-2026-22153",
"initial_release_date": "2026-01-01T00:00:00+00:00",
"product_status:known_not_affected": "1",
"source": "Red Hat CSAF VEX",
"status": "final",
"title": "CVE-2026-22153",
"url": "https://security.access.redhat.com/data/csaf/v2/vex/2026/cve-2026-22153.json",
"version": "3"
},
"vulnrichment": {
"containers": {
"adp": [
{
"metrics": [
{
"other": {
"content": {
"id": "CVE-2026-22153",
"options": [
{
"Exploitation": "none"
},
{
"Automatable": "no"
},
{
"Technical Impact": "total"
}
],
"role": "CISA Coordinator",
"timestamp": "2026-02-11T04:56:21.036753Z",
"version": "2.0.3"
},
"type": "ssvc"
}
}
],
"providerMetadata": {
"dateUpdated": "2026-02-25T15:55:04.748Z",
"orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
"shortName": "CISA-ADP"
},
"title": "CISA ADP Vulnrichment"
}
],
"cna": {
"affected": [
{
"cpes": [
"cpe:2.3:o:fortinet:fortios:7.6.4:*:*:*:*:*:*:*",
"cpe:2.3:o:fortinet:fortios:7.6.3:*:*:*:*:*:*:*",
"cpe:2.3:o:fortinet:fortios:7.6.2:*:*:*:*:*:*:*",
"cpe:2.3:o:fortinet:fortios:7.6.1:*:*:*:*:*:*:*",
"cpe:2.3:o:fortinet:fortios:7.6.0:*:*:*:*:*:*:*"
],
"defaultStatus": "unaffected",
"product": "FortiOS",
"vendor": "Fortinet",
"versions": [
{
"lessThanOrEqual": "7.6.4",
"status": "affected",
"version": "7.6.0",
"versionType": "semver"
}
]
}
],
"descriptions": [
{
"lang": "en",
"value": "An Authentication Bypass by Primary Weakness vulnerability [CWE-305] vulnerability in Fortinet FortiOS 7.6.0 through 7.6.4 may allow an unauthenticated attacker to bypass LDAP authentication of Agentless VPN or FSSO policy, when the remote LDAP server is configured in a specific way."
}
],
"metrics": [
{
"cvssV3_1": {
"attackComplexity": "HIGH",
"attackVector": "NETWORK",
"availabilityImpact": "HIGH",
"baseScore": 7.5,
"baseSeverity": "HIGH",
"confidentialityImpact": "HIGH",
"integrityImpact": "HIGH",
"privilegesRequired": "NONE",
"scope": "UNCHANGED",
"userInteraction": "NONE",
"vectorString": "CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H/E:F/RL:O/RC:C",
"version": "3.1"
},
"format": "CVSS"
}
],
"problemTypes": [
{
"descriptions": [
{
"cweId": "CWE-305",
"description": "Improper access control",
"lang": "en",
"type": "CWE"
}
]
}
],
"providerMetadata": {
"dateUpdated": "2026-02-10T15:39:12.214Z",
"orgId": "6abe59d8-c742-4dff-8ce8-9b0ca1073da8",
"shortName": "fortinet"
},
"references": [
{
"name": "https://fortiguard.fortinet.com/psirt/FG-IR-25-1052",
"url": "https://fortiguard.fortinet.com/psirt/FG-IR-25-1052"
}
],
"solutions": [
{
"lang": "en",
"value": "Upgrade to upcoming FortiOS version 8.0.0 or above\nUpgrade to FortiOS version 7.6.5 or above"
}
]
}
},
"cveMetadata": {
"assignerOrgId": "6abe59d8-c742-4dff-8ce8-9b0ca1073da8",
"assignerShortName": "fortinet",
"cveId": "CVE-2026-22153",
"datePublished": "2026-02-10T15:39:12.214Z",
"dateReserved": "2026-01-06T15:01:17.446Z",
"dateUpdated": "2026-02-26T15:04:11.526Z",
"state": "PUBLISHED"
},
"dataType": "CVE_RECORD",
"dataVersion": "5.2"
}
}
}
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…
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…