CVE-2026-86241 (GCVE-0-2026-86241)
Vulnerability from cvelistv5 – Published: 2026-09-07 01:15 – Updated: 2026-09-11 20:36
VLAI
EPSS
VEX
Title
liufee FeehiCMS Cookie Validation main-local.php hard-coded key
Summary
A weakness has been identified in liufee FeehiCMS up to 2.1.1. This impacts an unknown function of the file environments/prod/backend/config/main-local.php of the component Cookie Validation. This manipulation of the argument cookieValidationKey causes use of hard-coded cryptographic key
. The attack is possible to be carried out remotely. The exploit has been made available to the public and could be used for attacks. The project was informed of the problem early through an issue report but has not responded yet.
Severity
SSVC
Exploitation: poc
Automatable: yes
Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-09-11 20:03 UTC
Assigner
References
6 references
| URL | Tags |
|---|---|
| https://vuldb.com/vuln/399398 | vdb-entrytechnical-description |
| https://vuldb.com/vuln/399398/cti | signaturepermissions-required |
| https://vuldb.com/cve/CVE-2026-86241 | third-party-advisory |
| https://vuldb.com/submit/901836 | third-party-advisory |
| https://github.com/liufee/cms/issues/96 | issue-tracking |
| https://github.com/yang5ynag/cve/blob/main/FEHI-0… | exploit |
Impacted products
{
"containers": {
"adp": [
{
"metrics": [
{
"other": {
"content": {
"id": "CVE-2026-86241",
"options": [
{
"Exploitation": "poc"
},
{
"Automatable": "yes"
},
{
"Technical Impact": "partial"
}
],
"role": "CISA Coordinator",
"timestamp": "2026-09-11T20:03:09.486366Z",
"version": "2.0.3"
},
"type": "ssvc"
}
}
],
"providerMetadata": {
"dateUpdated": "2026-09-11T20:36:06.823Z",
"orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
"shortName": "CISA-ADP"
},
"title": "CISA ADP Vulnrichment"
}
],
"cna": {
"affected": [
{
"cpes": [
"cpe:2.3:a:liufee:feehicms:*:*:*:*:*:*:*:*"
],
"modules": [
"Cookie Validation"
],
"product": "FeehiCMS",
"vendor": "liufee",
"versions": [
{
"status": "affected",
"version": "2.1.0"
},
{
"status": "affected",
"version": "2.1.1"
}
]
}
],
"credits": [
{
"lang": "en",
"type": "reporter",
"value": "lyang (VulDB User)"
},
{
"lang": "en",
"type": "coordinator",
"value": "VulDB CNA Team"
}
],
"descriptions": [
{
"lang": "en",
"value": "A weakness has been identified in liufee FeehiCMS up to 2.1.1. This impacts an unknown function of the file environments/prod/backend/config/main-local.php of the component Cookie Validation. This manipulation of the argument cookieValidationKey causes use of hard-coded cryptographic key\r . The attack is possible to be carried out remotely. The exploit has been made available to the public and could be used for attacks. The project was informed of the problem early through an issue report but has not responded yet."
}
],
"metrics": [
{
"cvssV4_0": {
"baseScore": 5.3,
"baseSeverity": "MEDIUM",
"vectorString": "CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:P/VC:L/VI:N/VA:N/SC:N/SI:N/SA:N/E:P",
"version": "4.0"
}
},
{
"cvssV3_1": {
"baseScore": 4.3,
"baseSeverity": "MEDIUM",
"vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:N/A:N/E:P/RL:X/RC:R",
"version": "3.1"
}
},
{
"cvssV3_0": {
"baseScore": 4.3,
"baseSeverity": "MEDIUM",
"vectorString": "CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:N/A:N/E:P/RL:X/RC:R",
"version": "3.0"
}
},
{
"cvssV2_0": {
"baseScore": 5,
"vectorString": "AV:N/AC:L/Au:N/C:P/I:N/A:N/E:POC/RL:ND/RC:UR",
"version": "2.0"
}
}
],
"problemTypes": [
{
"descriptions": [
{
"cweId": "CWE-321",
"description": "Use of Hard-coded Cryptographic Key",
"lang": "en",
"type": "CWE"
}
]
},
{
"descriptions": [
{
"cweId": "CWE-320",
"description": "Key Management Error",
"lang": "en",
"type": "CWE"
}
]
}
],
"providerMetadata": {
"dateUpdated": "2026-09-07T01:15:08.728Z",
"orgId": "1af790b2-7ee1-4545-860a-a788eba489b5",
"shortName": "VulDB"
},
"references": [
{
"name": "VDB-399398 | liufee FeehiCMS Cookie Validation main-local.php hard-coded key",
"tags": [
"vdb-entry",
"technical-description"
],
"url": "https://vuldb.com/vuln/399398"
},
{
"name": "VDB-399398 | CTI Indicators (IOB, IOC, TTP, IOA)",
"tags": [
"signature",
"permissions-required"
],
"url": "https://vuldb.com/vuln/399398/cti"
},
{
"name": "CVE-2026-86241 | CVE Analysis and Report",
"tags": [
"third-party-advisory"
],
"url": "https://vuldb.com/cve/CVE-2026-86241"
},
{
"name": "Submit #901836 | liufee feehi cms 2.1.1 \u914d\u7f6e\u9519\u8bef",
"tags": [
"third-party-advisory"
],
"url": "https://vuldb.com/submit/901836"
},
{
"tags": [
"issue-tracking"
],
"url": "https://github.com/liufee/cms/issues/96"
},
{
"tags": [
"exploit"
],
"url": "https://github.com/yang5ynag/cve/blob/main/FEHI-003-Empty-cookieValidationKey.md"
}
],
"timeline": [
{
"lang": "en",
"time": "2026-09-06T00:00:00.000Z",
"value": "Advisory disclosed"
},
{
"lang": "en",
"time": "2026-09-06T02:00:00.000Z",
"value": "VulDB entry created"
},
{
"lang": "en",
"time": "2026-09-06T11:04:35.000Z",
"value": "VulDB entry last update"
}
],
"title": "liufee FeehiCMS Cookie Validation main-local.php hard-coded key",
"x_generator": [
"VulDB PVTS v202609"
]
}
},
"cveMetadata": {
"assignerOrgId": "1af790b2-7ee1-4545-860a-a788eba489b5",
"assignerShortName": "VulDB",
"cveId": "CVE-2026-86241",
"datePublished": "2026-09-07T01:15:08.728Z",
"dateReserved": "2026-09-06T08:59:21.214Z",
"dateUpdated": "2026-09-11T20:36:06.823Z",
"state": "PUBLISHED"
},
"dataType": "CVE_RECORD",
"dataVersion": "5.2",
"vulnerability-lookup:meta": {
"epss": {
"cve": "CVE-2026-86241",
"date": "2026-10-01",
"epss": "0.0049",
"percentile": "0.39851"
},
"nvd": {
"cve": {
"affected": [
{
"affectedData": [
{
"cpes": [
"cpe:2.3:a:liufee:feehicms:*:*:*:*:*:*:*:*"
],
"modules": [
"Cookie Validation"
],
"product": "FeehiCMS",
"vendor": "liufee",
"versions": [
{
"status": "affected",
"version": "2.1.0"
},
{
"status": "affected",
"version": "2.1.1"
}
]
}
],
"source": "cna@vuldb.com"
}
],
"cveTags": [],
"descriptions": [
{
"lang": "en",
"value": "A weakness has been identified in liufee FeehiCMS up to 2.1.1. This impacts an unknown function of the file environments/prod/backend/config/main-local.php of the component Cookie Validation. This manipulation of the argument cookieValidationKey causes use of hard-coded cryptographic key\r . The attack is possible to be carried out remotely. The exploit has been made available to the public and could be used for attacks. The project was informed of the problem early through an issue report but has not responded yet."
},
{
"lang": "es",
"value": "Se ha identificado una debilidad en liufee FeehiCMS hasta la versi\u00f3n 2.1.1. Esto afecta a una funci\u00f3n desconocida del archivo environments/prod/backend/config/main-local.PHP del componente Validaci\u00f3n de cookies. Esta manipulaci\u00f3n del argumento cookieValidationKey causa el uso de una clave criptogr\u00e1fica codificada de forma r\u00edgida. El ataque puede llevarse a cabo de forma remota. El exploit ha sido puesto a disposici\u00f3n del p\u00fablico y podr\u00eda ser utilizado para ataques. El proyecto fue notificado del problema tempranamente a trav\u00e9s de un informe de incidencias, pero a\u00fan no ha respondido."
}
],
"id": "CVE-2026-86241",
"lastModified": "2026-09-28T23:10:00.143",
"metrics": {
"cvssMetricV2": [
{
"acInsufInfo": false,
"baseSeverity": "MEDIUM",
"cvssData": {
"accessComplexity": "LOW",
"accessVector": "NETWORK",
"authentication": "NONE",
"availabilityImpact": "NONE",
"baseScore": 5.0,
"confidentialityImpact": "PARTIAL",
"integrityImpact": "NONE",
"vectorString": "AV:N/AC:L/Au:N/C:P/I:N/A:N",
"version": "2.0"
},
"exploitabilityScore": 10.0,
"impactScore": 2.9,
"obtainAllPrivilege": false,
"obtainOtherPrivilege": false,
"obtainUserPrivilege": false,
"source": "cna@vuldb.com",
"type": "Secondary",
"userInteractionRequired": false
}
],
"cvssMetricV31": [
{
"cvssData": {
"attackComplexity": "LOW",
"attackVector": "NETWORK",
"availabilityImpact": "NONE",
"baseScore": 4.3,
"baseSeverity": "MEDIUM",
"confidentialityImpact": "LOW",
"integrityImpact": "NONE",
"privilegesRequired": "NONE",
"scope": "UNCHANGED",
"userInteraction": "REQUIRED",
"vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:N/A:N",
"version": "3.1"
},
"exploitabilityScore": 2.8,
"impactScore": 1.4,
"source": "cna@vuldb.com",
"type": "Secondary"
}
],
"cvssMetricV40": [
{
"cvssData": {
"Automatable": "NOT_DEFINED",
"Recovery": "NOT_DEFINED",
"Safety": "NOT_DEFINED",
"attackComplexity": "LOW",
"attackRequirements": "NONE",
"attackVector": "NETWORK",
"availabilityRequirement": "NOT_DEFINED",
"baseScore": 2.1,
"baseSeverity": "LOW",
"confidentialityRequirement": "NOT_DEFINED",
"exploitMaturity": "PROOF_OF_CONCEPT",
"integrityRequirement": "NOT_DEFINED",
"modifiedAttackComplexity": "NOT_DEFINED",
"modifiedAttackRequirements": "NOT_DEFINED",
"modifiedAttackVector": "NOT_DEFINED",
"modifiedPrivilegesRequired": "NOT_DEFINED",
"modifiedSubAvailabilityImpact": "NOT_DEFINED",
"modifiedSubConfidentialityImpact": "NOT_DEFINED",
"modifiedSubIntegrityImpact": "NOT_DEFINED",
"modifiedUserInteraction": "NOT_DEFINED",
"modifiedVulnAvailabilityImpact": "NOT_DEFINED",
"modifiedVulnConfidentialityImpact": "NOT_DEFINED",
"modifiedVulnIntegrityImpact": "NOT_DEFINED",
"privilegesRequired": "NONE",
"providerUrgency": "NOT_DEFINED",
"subAvailabilityImpact": "NONE",
"subConfidentialityImpact": "NONE",
"subIntegrityImpact": "NONE",
"userInteraction": "PASSIVE",
"valueDensity": "NOT_DEFINED",
"vectorString": "CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:P/VC:L/VI:N/VA:N/SC:N/SI:N/SA:N/E:P/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X",
"version": "4.0",
"vulnAvailabilityImpact": "NONE",
"vulnConfidentialityImpact": "LOW",
"vulnIntegrityImpact": "NONE",
"vulnerabilityResponseEffort": "NOT_DEFINED"
},
"source": "cna@vuldb.com",
"type": "Secondary"
}
],
"ssvcV203": [
{
"source": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
"ssvcData": {
"id": "CVE-2026-86241",
"options": [
{
"exploitation": "poc"
},
{
"automatable": "yes"
},
{
"technicalImpact": "partial"
}
],
"role": "CISA Coordinator",
"timestamp": "2026-09-11T20:03:09.486366Z",
"version": "2.0.3"
}
}
]
},
"published": "2026-09-07T02:17:21.067",
"references": [
{
"source": "cna@vuldb.com",
"url": "https://github.com/liufee/cms/issues/96"
},
{
"source": "cna@vuldb.com",
"url": "https://github.com/yang5ynag/cve/blob/main/FEHI-003-Empty-cookieValidationKey.md"
},
{
"source": "cna@vuldb.com",
"url": "https://vuldb.com/cve/CVE-2026-86241"
},
{
"source": "cna@vuldb.com",
"url": "https://vuldb.com/submit/901836"
},
{
"source": "cna@vuldb.com",
"url": "https://vuldb.com/vuln/399398"
},
{
"source": "cna@vuldb.com",
"url": "https://vuldb.com/vuln/399398/cti"
}
],
"sourceIdentifier": "cna@vuldb.com",
"vulnStatus": "Deferred",
"weaknesses": [
{
"description": [
{
"lang": "en",
"value": "CWE-320"
},
{
"lang": "en",
"value": "CWE-321"
}
],
"source": "cna@vuldb.com",
"type": "Secondary"
}
]
}
},
"vulnrichment": {
"containers": {
"adp": [
{
"metrics": [
{
"other": {
"content": {
"id": "CVE-2026-86241",
"options": [
{
"Exploitation": "poc"
},
{
"Automatable": "yes"
},
{
"Technical Impact": "partial"
}
],
"role": "CISA Coordinator",
"timestamp": "2026-09-11T20:03:09.486366Z",
"version": "2.0.3"
},
"type": "ssvc"
}
}
],
"providerMetadata": {
"dateUpdated": "2026-09-11T20:03:10.571Z",
"orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
"shortName": "CISA-ADP"
},
"title": "CISA ADP Vulnrichment"
}
],
"cna": {
"affected": [
{
"cpes": [
"cpe:2.3:a:liufee:feehicms:*:*:*:*:*:*:*:*"
],
"modules": [
"Cookie Validation"
],
"product": "FeehiCMS",
"vendor": "liufee",
"versions": [
{
"status": "affected",
"version": "2.1.0"
},
{
"status": "affected",
"version": "2.1.1"
}
]
}
],
"credits": [
{
"lang": "en",
"type": "reporter",
"value": "lyang (VulDB User)"
},
{
"lang": "en",
"type": "coordinator",
"value": "VulDB CNA Team"
}
],
"descriptions": [
{
"lang": "en",
"value": "A weakness has been identified in liufee FeehiCMS up to 2.1.1. This impacts an unknown function of the file environments/prod/backend/config/main-local.php of the component Cookie Validation. This manipulation of the argument cookieValidationKey causes use of hard-coded cryptographic key\r . The attack is possible to be carried out remotely. The exploit has been made available to the public and could be used for attacks. The project was informed of the problem early through an issue report but has not responded yet."
}
],
"metrics": [
{
"cvssV4_0": {
"baseScore": 5.3,
"baseSeverity": "MEDIUM",
"vectorString": "CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:P/VC:L/VI:N/VA:N/SC:N/SI:N/SA:N/E:P",
"version": "4.0"
}
},
{
"cvssV3_1": {
"baseScore": 4.3,
"baseSeverity": "MEDIUM",
"vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:N/A:N/E:P/RL:X/RC:R",
"version": "3.1"
}
},
{
"cvssV3_0": {
"baseScore": 4.3,
"baseSeverity": "MEDIUM",
"vectorString": "CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:N/A:N/E:P/RL:X/RC:R",
"version": "3.0"
}
},
{
"cvssV2_0": {
"baseScore": 5,
"vectorString": "AV:N/AC:L/Au:N/C:P/I:N/A:N/E:POC/RL:ND/RC:UR",
"version": "2.0"
}
}
],
"problemTypes": [
{
"descriptions": [
{
"cweId": "CWE-321",
"description": "Use of Hard-coded Cryptographic Key",
"lang": "en",
"type": "CWE"
}
]
},
{
"descriptions": [
{
"cweId": "CWE-320",
"description": "Key Management Error",
"lang": "en",
"type": "CWE"
}
]
}
],
"providerMetadata": {
"dateUpdated": "2026-09-07T01:15:08.728Z",
"orgId": "1af790b2-7ee1-4545-860a-a788eba489b5",
"shortName": "VulDB"
},
"references": [
{
"name": "VDB-399398 | liufee FeehiCMS Cookie Validation main-local.php hard-coded key",
"tags": [
"vdb-entry",
"technical-description"
],
"url": "https://vuldb.com/vuln/399398"
},
{
"name": "VDB-399398 | CTI Indicators (IOB, IOC, TTP, IOA)",
"tags": [
"signature",
"permissions-required"
],
"url": "https://vuldb.com/vuln/399398/cti"
},
{
"name": "CVE-2026-86241 | CVE Analysis and Report",
"tags": [
"third-party-advisory"
],
"url": "https://vuldb.com/cve/CVE-2026-86241"
},
{
"name": "Submit #901836 | liufee feehi cms 2.1.1 \u914d\u7f6e\u9519\u8bef",
"tags": [
"third-party-advisory"
],
"url": "https://vuldb.com/submit/901836"
},
{
"tags": [
"issue-tracking"
],
"url": "https://github.com/liufee/cms/issues/96"
},
{
"tags": [
"exploit"
],
"url": "https://github.com/yang5ynag/cve/blob/main/FEHI-003-Empty-cookieValidationKey.md"
}
],
"timeline": [
{
"lang": "en",
"time": "2026-09-06T00:00:00.000Z",
"value": "Advisory disclosed"
},
{
"lang": "en",
"time": "2026-09-06T02:00:00.000Z",
"value": "VulDB entry created"
},
{
"lang": "en",
"time": "2026-09-06T11:04:35.000Z",
"value": "VulDB entry last update"
}
],
"title": "liufee FeehiCMS Cookie Validation main-local.php hard-coded key",
"x_generator": [
"VulDB PVTS v202609"
]
}
},
"cveMetadata": {
"assignerOrgId": "1af790b2-7ee1-4545-860a-a788eba489b5",
"assignerShortName": "VulDB",
"cveId": "CVE-2026-86241",
"datePublished": "2026-09-07T01:15:08.728Z",
"dateReserved": "2026-09-06T08:59:21.214Z",
"dateUpdated": "2026-09-11T20:36:06.823Z",
"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…