CVE-2026-42785 (GCVE-0-2026-42785)
Vulnerability from cvelistv5 – Published: 2026-05-26 14:08 – Updated: 2026-05-26 16:20
VLAI
EPSS
VEX
Title
OpenKM 6.3.12 Remote Code Execution via Administrative Scripting
Summary
OpenKM 6.3.12 contains a remote code execution vulnerability that allows authenticated administrators to execute arbitrary Java/BeanShell code through the /admin/Scripting endpoint. Attackers can submit malicious script content with an action=Evaluate parameter to execute operating system commands in the context of the OpenKM application server.
Severity
SSVC
Exploitation: poc
Automatable: no
Technical Impact: total
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-05-26 16:20 UTC
CWE
- CWE-94 - Improper Control of Generation of Code ('Code Injection')
Assigner
References
7 references
| URL | Tags |
|---|---|
| https://www.exploit-db.com/exploits/52520 | exploit |
| https://www.openkm.com/ | product |
| https://hub.docker.com/r/openkm/openkm-ce | product |
| https://terrasystemlabs.com/post?slug=openkm-zero… | vendor-advisory |
| https://github.com/terrasystemlabs/Exploits/tree/… | product |
| https://github.com/terrasystemlabs/Exploits/tree/… | product |
| https://www.vulncheck.com/advisories/openkm-remot… | third-party-advisory |
Impacted products
2 products
| Vendor | Product | Version | CPE status | |
|---|---|---|---|---|
| Openkm | OpenKM Community Edition |
Affected:
0 , ≤ 6.3.12
(custom)
|
guessed | |
| Openkm | OpenKM Professional Edition |
Affected:
0 , ≤ 7.1.47
(custom)
|
guessed |
Date Public
2026-01-17 00:00
{
"containers": {
"adp": [
{
"metrics": [
{
"other": {
"content": {
"id": "CVE-2026-42785",
"options": [
{
"Exploitation": "poc"
},
{
"Automatable": "no"
},
{
"Technical Impact": "total"
}
],
"role": "CISA Coordinator",
"timestamp": "2026-05-26T16:20:05.567957Z",
"version": "2.0.3"
},
"type": "ssvc"
}
}
],
"providerMetadata": {
"dateUpdated": "2026-05-26T16:20:15.493Z",
"orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
"shortName": "CISA-ADP"
},
"title": "CISA ADP Vulnrichment"
}
],
"cna": {
"affected": [
{
"defaultStatus": "unknown",
"product": "OpenKM Community Edition",
"vendor": "Openkm",
"versions": [
{
"lessThanOrEqual": "6.3.12",
"status": "affected",
"version": "0",
"versionType": "custom"
}
]
},
{
"defaultStatus": "unknown",
"product": "OpenKM Professional Edition",
"vendor": "Openkm",
"versions": [
{
"lessThanOrEqual": "7.1.47",
"status": "affected",
"version": "0",
"versionType": "custom"
}
]
}
],
"cpeApplicability": [
{
"nodes": [
{
"cpeMatch": [
{
"criteria": "cpe:2.3:a:openkm:openkm:*:*:*:*:community:*:*:*",
"versionEndIncluding": "6.3.12",
"vulnerable": true
},
{
"criteria": "cpe:2.3:a:openkm:openkm:*:*:*:*:professional:*:*:*",
"versionEndIncluding": "7.1.47",
"vulnerable": true
}
],
"negate": false,
"operator": "OR"
}
]
}
],
"credits": [
{
"lang": "en",
"type": "finder",
"value": "Terra System Labs Pvt. Ltd."
}
],
"datePublic": "2026-01-17T00:00:00.000Z",
"descriptions": [
{
"lang": "en",
"value": "OpenKM 6.3.12 contains a remote code execution vulnerability that allows authenticated administrators to execute arbitrary Java/BeanShell code through the /admin/Scripting endpoint. Attackers can submit malicious script content with an action=Evaluate parameter to execute operating system commands in the context of the OpenKM application server."
}
],
"metrics": [
{
"cvssV4_0": {
"Automatable": "NOT_DEFINED",
"Recovery": "NOT_DEFINED",
"Safety": "NOT_DEFINED",
"attackComplexity": "LOW",
"attackRequirements": "NONE",
"attackVector": "NETWORK",
"baseScore": 8.6,
"baseSeverity": "HIGH",
"exploitMaturity": "NOT_DEFINED",
"privilegesRequired": "HIGH",
"providerUrgency": "NOT_DEFINED",
"subAvailabilityImpact": "NONE",
"subConfidentialityImpact": "NONE",
"subIntegrityImpact": "NONE",
"userInteraction": "NONE",
"valueDensity": "NOT_DEFINED",
"vectorString": "CVSS:4.0/AV:N/AC:L/AT:N/PR:H/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N",
"version": "4.0",
"vulnAvailabilityImpact": "HIGH",
"vulnConfidentialityImpact": "HIGH",
"vulnIntegrityImpact": "HIGH",
"vulnerabilityResponseEffort": "NOT_DEFINED"
},
"format": "CVSS"
},
{
"cvssV3_1": {
"attackComplexity": "LOW",
"attackVector": "NETWORK",
"availabilityImpact": "HIGH",
"baseScore": 7.2,
"baseSeverity": "HIGH",
"confidentialityImpact": "HIGH",
"integrityImpact": "HIGH",
"privilegesRequired": "HIGH",
"scope": "UNCHANGED",
"userInteraction": "NONE",
"vectorString": "CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H",
"version": "3.1"
},
"format": "CVSS"
}
],
"problemTypes": [
{
"descriptions": [
{
"cweId": "CWE-94",
"description": "Improper Control of Generation of Code (\u0027Code Injection\u0027)",
"lang": "en",
"type": "CWE"
}
]
}
],
"providerMetadata": {
"dateUpdated": "2026-05-26T14:08:51.032Z",
"orgId": "83251b91-4cc7-4094-a5c7-464a1b83ea10",
"shortName": "VulnCheck"
},
"references": [
{
"name": "ExploitDB-52520",
"tags": [
"exploit"
],
"url": "https://www.exploit-db.com/exploits/52520"
},
{
"name": "Official Product Homepage",
"tags": [
"product"
],
"url": "https://www.openkm.com/"
},
{
"name": "Product Reference",
"tags": [
"product"
],
"url": "https://hub.docker.com/r/openkm/openkm-ce"
},
{
"name": "Vulnerability Advisory",
"tags": [
"vendor-advisory"
],
"url": "https://terrasystemlabs.com/post?slug=openkm-zero-day-vulnerabilities-terra-system-labs"
},
{
"name": "Proof-of-Concept Toolkit",
"tags": [
"product"
],
"url": "https://github.com/terrasystemlabs/Exploits/tree/main/OpenKM-Exploits"
},
{
"name": "Nuclei Detection Template",
"tags": [
"product"
],
"url": "https://github.com/terrasystemlabs/Exploits/tree/main/OpenKM-Exploits/nuclei-templates/openkm-remote-code-execution"
},
{
"name": "VulnCheck Advisory: OpenKM 6.3.12 Remote Code Execution via Administrative Scripting",
"tags": [
"third-party-advisory"
],
"url": "https://www.vulncheck.com/advisories/openkm-remote-code-execution-via-administrative-scripting"
}
],
"title": "OpenKM 6.3.12 Remote Code Execution via Administrative Scripting",
"x_generator": {
"engine": "vulncheck"
}
}
},
"cveMetadata": {
"assignerOrgId": "83251b91-4cc7-4094-a5c7-464a1b83ea10",
"assignerShortName": "VulnCheck",
"cveId": "CVE-2026-42785",
"datePublished": "2026-05-26T14:08:51.032Z",
"dateReserved": "2026-04-29T15:52:17.950Z",
"dateUpdated": "2026-05-26T16:20:15.493Z",
"state": "PUBLISHED"
},
"dataType": "CVE_RECORD",
"dataVersion": "5.2",
"vulnerability-lookup:meta": {
"epss": {
"cve": "CVE-2026-42785",
"date": "2026-09-17",
"epss": "0.00679",
"percentile": "0.50756"
},
"nvd": "{\"cve\":{\"id\":\"CVE-2026-42785\",\"sourceIdentifier\":\"disclosure@vulncheck.com\",\"published\":\"2026-05-26T15:16:38.023\",\"lastModified\":\"2026-07-24T11:10:00.170\",\"vulnStatus\":\"Deferred\",\"cveTags\":[],\"descriptions\":[{\"lang\":\"en\",\"value\":\"OpenKM 6.3.12 contains a remote code execution vulnerability that allows authenticated administrators to execute arbitrary Java/BeanShell code through the /admin/Scripting endpoint. Attackers can submit malicious script content with an action=Evaluate parameter to execute operating system commands in the context of the OpenKM application server.\"},{\"lang\":\"es\",\"value\":\"OpenKM 6.3.12 contiene una vulnerabilidad de ejecuci\u00f3n remota de c\u00f3digo que permite a los administradores autenticados ejecutar c\u00f3digo Java/BeanShell arbitrario a trav\u00e9s del endpoint /admin/Scripting. Los atacantes pueden enviar contenido de script malicioso con un par\u00e1metro action=Evaluate para ejecutar comandos del sistema operativo en el contexto del servidor de aplicaciones OpenKM.\"}],\"affected\":[{\"source\":\"disclosure@vulncheck.com\",\"affectedData\":[{\"vendor\":\"Openkm\",\"product\":\"OpenKM Community Edition\",\"defaultStatus\":\"unknown\",\"versions\":[{\"version\":\"0\",\"lessThanOrEqual\":\"6.3.12\",\"versionType\":\"custom\",\"status\":\"affected\"}]},{\"vendor\":\"Openkm\",\"product\":\"OpenKM Professional Edition\",\"defaultStatus\":\"unknown\",\"versions\":[{\"version\":\"0\",\"lessThanOrEqual\":\"7.1.47\",\"versionType\":\"custom\",\"status\":\"affected\"}]}]}],\"metrics\":{\"cvssMetricV40\":[{\"source\":\"disclosure@vulncheck.com\",\"type\":\"Secondary\",\"cvssData\":{\"version\":\"4.0\",\"vectorString\":\"CVSS:4.0/AV:N/AC:L/AT:N/PR:H/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:X/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\",\"baseScore\":8.6,\"baseSeverity\":\"HIGH\",\"attackVector\":\"NETWORK\",\"attackComplexity\":\"LOW\",\"attackRequirements\":\"NONE\",\"privilegesRequired\":\"HIGH\",\"userInteraction\":\"NONE\",\"vulnConfidentialityImpact\":\"HIGH\",\"vulnIntegrityImpact\":\"HIGH\",\"vulnAvailabilityImpact\":\"HIGH\",\"subConfidentialityImpact\":\"NONE\",\"subIntegrityImpact\":\"NONE\",\"subAvailabilityImpact\":\"NONE\",\"exploitMaturity\":\"NOT_DEFINED\",\"confidentialityRequirement\":\"NOT_DEFINED\",\"integrityRequirement\":\"NOT_DEFINED\",\"availabilityRequirement\":\"NOT_DEFINED\",\"modifiedAttackVector\":\"NOT_DEFINED\",\"modifiedAttackComplexity\":\"NOT_DEFINED\",\"modifiedAttackRequirements\":\"NOT_DEFINED\",\"modifiedPrivilegesRequired\":\"NOT_DEFINED\",\"modifiedUserInteraction\":\"NOT_DEFINED\",\"modifiedVulnConfidentialityImpact\":\"NOT_DEFINED\",\"modifiedVulnIntegrityImpact\":\"NOT_DEFINED\",\"modifiedVulnAvailabilityImpact\":\"NOT_DEFINED\",\"modifiedSubConfidentialityImpact\":\"NOT_DEFINED\",\"modifiedSubIntegrityImpact\":\"NOT_DEFINED\",\"modifiedSubAvailabilityImpact\":\"NOT_DEFINED\",\"Safety\":\"NOT_DEFINED\",\"Automatable\":\"NOT_DEFINED\",\"Recovery\":\"NOT_DEFINED\",\"valueDensity\":\"NOT_DEFINED\",\"vulnerabilityResponseEffort\":\"NOT_DEFINED\",\"providerUrgency\":\"NOT_DEFINED\"}}],\"cvssMetricV31\":[{\"source\":\"disclosure@vulncheck.com\",\"type\":\"Secondary\",\"cvssData\":{\"version\":\"3.1\",\"vectorString\":\"CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H\",\"baseScore\":7.2,\"baseSeverity\":\"HIGH\",\"attackVector\":\"NETWORK\",\"attackComplexity\":\"LOW\",\"privilegesRequired\":\"HIGH\",\"userInteraction\":\"NONE\",\"scope\":\"UNCHANGED\",\"confidentialityImpact\":\"HIGH\",\"integrityImpact\":\"HIGH\",\"availabilityImpact\":\"HIGH\"},\"exploitabilityScore\":1.2,\"impactScore\":5.9}],\"ssvcV203\":[{\"source\":\"134c704f-9b21-4f2e-91b3-4a467353bcc0\",\"ssvcData\":{\"timestamp\":\"2026-05-26T16:20:05.567957Z\",\"id\":\"CVE-2026-42785\",\"options\":[{\"exploitation\":\"poc\"},{\"automatable\":\"no\"},{\"technicalImpact\":\"total\"}],\"role\":\"CISA Coordinator\",\"version\":\"2.0.3\"}}]},\"weaknesses\":[{\"source\":\"disclosure@vulncheck.com\",\"type\":\"Secondary\",\"description\":[{\"lang\":\"en\",\"value\":\"CWE-94\"}]}],\"references\":[{\"url\":\"https://github.com/terrasystemlabs/Exploits/tree/main/OpenKM-Exploits\",\"source\":\"disclosure@vulncheck.com\"},{\"url\":\"https://github.com/terrasystemlabs/Exploits/tree/main/OpenKM-Exploits/nuclei-templates/openkm-remote-code-execution\",\"source\":\"disclosure@vulncheck.com\"},{\"url\":\"https://hub.docker.com/r/openkm/openkm-ce\",\"source\":\"disclosure@vulncheck.com\"},{\"url\":\"https://terrasystemlabs.com/post?slug=openkm-zero-day-vulnerabilities-terra-system-labs\",\"source\":\"disclosure@vulncheck.com\"},{\"url\":\"https://www.exploit-db.com/exploits/52520\",\"source\":\"disclosure@vulncheck.com\"},{\"url\":\"https://www.openkm.com/\",\"source\":\"disclosure@vulncheck.com\"},{\"url\":\"https://www.vulncheck.com/advisories/openkm-remote-code-execution-via-administrative-scripting\",\"source\":\"disclosure@vulncheck.com\"}]}}",
"redhat_vex": {
"current_release_date": "2026-06-05T19:16:00+00:00",
"cve": "CVE-2026-42785",
"id": "CVE-2026-42785",
"initial_release_date": "2026-01-17T00:00:00+00:00",
"product_status:known_not_affected": "1",
"source": "Red Hat CSAF VEX",
"status": "final",
"title": "OpenKM 6.3.12 Remote Code Execution via Administrative Scripting",
"url": "https://security.access.redhat.com/data/csaf/v2/vex/2026/cve-2026-42785.json",
"version": "3"
},
"vulnrichment": {
"containers": "{\"adp\": [{\"title\": \"CISA ADP Vulnrichment\", \"metrics\": [{\"other\": {\"type\": \"ssvc\", \"content\": {\"id\": \"CVE-2026-42785\", \"role\": \"CISA Coordinator\", \"options\": [{\"Exploitation\": \"poc\"}, {\"Automatable\": \"no\"}, {\"Technical Impact\": \"total\"}], \"version\": \"2.0.3\", \"timestamp\": \"2026-05-26T16:20:05.567957Z\"}}}], \"providerMetadata\": {\"orgId\": \"134c704f-9b21-4f2e-91b3-4a467353bcc0\", \"shortName\": \"CISA-ADP\", \"dateUpdated\": \"2026-05-26T16:20:12.548Z\"}}], \"cna\": {\"title\": \"OpenKM 6.3.12 Remote Code Execution via Administrative Scripting\", \"credits\": [{\"lang\": \"en\", \"type\": \"finder\", \"value\": \"Terra System Labs Pvt. Ltd.\"}], \"metrics\": [{\"format\": \"CVSS\", \"cvssV4_0\": {\"Safety\": \"NOT_DEFINED\", \"version\": \"4.0\", \"Recovery\": \"NOT_DEFINED\", \"baseScore\": 8.6, \"Automatable\": \"NOT_DEFINED\", \"attackVector\": \"NETWORK\", \"baseSeverity\": \"HIGH\", \"valueDensity\": \"NOT_DEFINED\", \"vectorString\": \"CVSS:4.0/AV:N/AC:L/AT:N/PR:H/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N\", \"exploitMaturity\": \"NOT_DEFINED\", \"providerUrgency\": \"NOT_DEFINED\", \"userInteraction\": \"NONE\", \"attackComplexity\": \"LOW\", \"attackRequirements\": \"NONE\", \"privilegesRequired\": \"HIGH\", \"subIntegrityImpact\": \"NONE\", \"vulnIntegrityImpact\": \"HIGH\", \"subAvailabilityImpact\": \"NONE\", \"vulnAvailabilityImpact\": \"HIGH\", \"subConfidentialityImpact\": \"NONE\", \"vulnConfidentialityImpact\": \"HIGH\", \"vulnerabilityResponseEffort\": \"NOT_DEFINED\"}}, {\"format\": \"CVSS\", \"cvssV3_1\": {\"scope\": \"UNCHANGED\", \"version\": \"3.1\", \"baseScore\": 7.2, \"attackVector\": \"NETWORK\", \"baseSeverity\": \"HIGH\", \"vectorString\": \"CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H\", \"integrityImpact\": \"HIGH\", \"userInteraction\": \"NONE\", \"attackComplexity\": \"LOW\", \"availabilityImpact\": \"HIGH\", \"privilegesRequired\": \"HIGH\", \"confidentialityImpact\": \"HIGH\"}}], \"affected\": [{\"vendor\": \"Openkm\", \"product\": \"OpenKM Community Edition\", \"versions\": [{\"status\": \"affected\", \"version\": \"0\", \"versionType\": \"custom\", \"lessThanOrEqual\": \"6.3.12\"}], \"defaultStatus\": \"unknown\"}, {\"vendor\": \"Openkm\", \"product\": \"OpenKM Professional Edition\", \"versions\": [{\"status\": \"affected\", \"version\": \"0\", \"versionType\": \"custom\", \"lessThanOrEqual\": \"7.1.47\"}], \"defaultStatus\": \"unknown\"}], \"datePublic\": \"2026-01-17T00:00:00.000Z\", \"references\": [{\"url\": \"https://www.exploit-db.com/exploits/52520\", \"name\": \"ExploitDB-52520\", \"tags\": [\"exploit\"]}, {\"url\": \"https://www.openkm.com/\", \"name\": \"Official Product Homepage\", \"tags\": [\"product\"]}, {\"url\": \"https://hub.docker.com/r/openkm/openkm-ce\", \"name\": \"Product Reference\", \"tags\": [\"product\"]}, {\"url\": \"https://terrasystemlabs.com/post?slug=openkm-zero-day-vulnerabilities-terra-system-labs\", \"name\": \"Vulnerability Advisory\", \"tags\": [\"vendor-advisory\"]}, {\"url\": \"https://github.com/terrasystemlabs/Exploits/tree/main/OpenKM-Exploits\", \"name\": \"Proof-of-Concept Toolkit\", \"tags\": [\"product\"]}, {\"url\": \"https://github.com/terrasystemlabs/Exploits/tree/main/OpenKM-Exploits/nuclei-templates/openkm-remote-code-execution\", \"name\": \"Nuclei Detection Template\", \"tags\": [\"product\"]}, {\"url\": \"https://www.vulncheck.com/advisories/openkm-remote-code-execution-via-administrative-scripting\", \"name\": \"VulnCheck Advisory: OpenKM 6.3.12 Remote Code Execution via Administrative Scripting\", \"tags\": [\"third-party-advisory\"]}], \"x_generator\": {\"engine\": \"vulncheck\"}, \"descriptions\": [{\"lang\": \"en\", \"value\": \"OpenKM 6.3.12 contains a remote code execution vulnerability that allows authenticated administrators to execute arbitrary Java/BeanShell code through the /admin/Scripting endpoint. Attackers can submit malicious script content with an action=Evaluate parameter to execute operating system commands in the context of the OpenKM application server.\"}], \"problemTypes\": [{\"descriptions\": [{\"lang\": \"en\", \"type\": \"CWE\", \"cweId\": \"CWE-94\", \"description\": \"Improper Control of Generation of Code (\u0027Code Injection\u0027)\"}]}], \"cpeApplicability\": [{\"nodes\": [{\"negate\": false, \"cpeMatch\": [{\"criteria\": \"cpe:2.3:a:openkm:openkm:*:*:*:*:community:*:*:*\", \"vulnerable\": true, \"versionEndIncluding\": \"6.3.12\"}, {\"criteria\": \"cpe:2.3:a:openkm:openkm:*:*:*:*:professional:*:*:*\", \"vulnerable\": true, \"versionEndIncluding\": \"7.1.47\"}], \"operator\": \"OR\"}]}], \"providerMetadata\": {\"orgId\": \"83251b91-4cc7-4094-a5c7-464a1b83ea10\", \"shortName\": \"VulnCheck\", \"dateUpdated\": \"2026-05-26T14:08:51.032Z\"}}}",
"cveMetadata": "{\"cveId\": \"CVE-2026-42785\", \"state\": \"PUBLISHED\", \"dateUpdated\": \"2026-05-26T16:20:15.493Z\", \"dateReserved\": \"2026-04-29T15:52:17.950Z\", \"assignerOrgId\": \"83251b91-4cc7-4094-a5c7-464a1b83ea10\", \"datePublished\": \"2026-05-26T14:08:51.032Z\", \"assignerShortName\": \"VulnCheck\"}",
"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…
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…