CVE-2026-79988 (GCVE-0-2026-79988)
Vulnerability from cvelistv5
Published
2026-08-27 15:36
Modified
2026-08-28 16:51
Severity ?
VLAI Severity ?
EPSS score ?
CWE
- CWE-693 - Protection Mechanism Failure
Summary
The Twig sandbox mechanism in Craft CMS is configured to allow dangerous functionality from the Yii framework, leading to authenticated RCE similar to previously disclosed vulnerabilities.
References
| URL | Tags | ||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|
|
|||||||||||
{
"containers": {
"adp": [
{
"metrics": [
{
"other": {
"content": {
"id": "CVE-2026-79988",
"options": [
{
"Exploitation": "none"
},
{
"Automatable": "no"
},
{
"Technical Impact": "total"
}
],
"role": "CISA Coordinator",
"timestamp": "2026-08-28T03:55:36.964723Z",
"version": "2.0.3"
},
"type": "ssvc"
}
}
],
"providerMetadata": {
"dateUpdated": "2026-08-28T16:51:38.368Z",
"orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
"shortName": "CISA-ADP"
},
"title": "CISA ADP Vulnrichment"
}
],
"cna": {
"affected": [
{
"collectionURL": "https://packagist.org",
"defaultStatus": "unaffected",
"packageName": "craftcms/cms",
"product": "cms",
"vendor": "craftcms",
"versions": [
{
"lessThan": "4.18.3",
"status": "affected",
"version": "4.0.0-RC1",
"versionType": "semver"
},
{
"lessThan": "5.10.7",
"status": "affected",
"version": "5.0.0-RC1",
"versionType": "semver"
}
]
}
],
"cpeApplicability": [
{
"nodes": [
{
"cpeMatch": [
{
"criteria": "cpe:2.3:a:craftcms:cms:*:*:*:*:*:*:*:*",
"versionEndExcluding": "4.18.3",
"versionStartIncluding": "4.0.0-rc1",
"vulnerable": true
},
{
"criteria": "cpe:2.3:a:craftcms:cms:*:*:*:*:*:*:*:*",
"versionEndExcluding": "5.10.7",
"versionStartIncluding": "5.0.0-rc1",
"vulnerable": true
}
],
"negate": false,
"operator": "OR"
}
],
"operator": "OR"
}
],
"credits": [
{
"lang": "en",
"type": "reporter",
"value": "Oskar Zeino-Mahmalat (@oskar-cure53)"
},
{
"lang": "en",
"type": "coordinator",
"value": "Hackrate"
}
],
"descriptions": [
{
"lang": "en",
"supportingMedia": [
{
"base64": false,
"type": "text/html",
"value": "The Twig sandbox mechanism in Craft CMS is configured to allow dangerous functionality from the Yii framework, leading to authenticated RCE similar to previously disclosed vulnerabilities.\u003cbr\u003e"
}
],
"value": "The Twig sandbox mechanism in Craft CMS is configured to allow dangerous functionality from the Yii framework, leading to authenticated RCE similar to previously disclosed vulnerabilities."
}
],
"metrics": [
{
"cvssV4_0": {
"Automatable": "NOT_DEFINED",
"Recovery": "NOT_DEFINED",
"Safety": "NOT_DEFINED",
"attackComplexity": "LOW",
"attackRequirements": "NONE",
"attackVector": "NETWORK",
"baseScore": 8.7,
"baseSeverity": "HIGH",
"exploitMaturity": "NOT_DEFINED",
"privilegesRequired": "LOW",
"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:L/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",
"scenarios": [
{
"lang": "en",
"value": "GENERAL"
}
]
}
],
"problemTypes": [
{
"descriptions": [
{
"cweId": "CWE-693",
"description": "CWE-693 Protection Mechanism Failure",
"lang": "en",
"type": "CWE"
}
]
}
],
"providerMetadata": {
"dateUpdated": "2026-08-27T15:36:18.188Z",
"orgId": "7004884b-51e2-48e8-b4a2-5ca29e80453e",
"shortName": "Hackrate"
},
"references": [
{
"tags": [
"third-party-advisory",
"technical-description",
"mitigation"
],
"url": "https://www.hckrt.com/hacktivity/HCKRT-8RQQ7K"
},
{
"tags": [
"release-notes"
],
"url": "https://github.com/craftcms/cms/releases/tag/5.10.7"
},
{
"tags": [
"product"
],
"url": "https://github.com/craftcms/cms"
}
],
"source": {
"advisory": "GHSA-F5WM-88JV-G5HX",
"discovery": "UNKNOWN"
},
"title": "Authenticated RCE through Twig sandbox escape",
"x_generator": {
"engine": "Vulnogram 1.0.4"
}
}
},
"cveMetadata": {
"assignerOrgId": "7004884b-51e2-48e8-b4a2-5ca29e80453e",
"assignerShortName": "Hackrate",
"cveId": "CVE-2026-79988",
"datePublished": "2026-08-27T15:36:18.188Z",
"dateReserved": "2026-08-25T16:39:03.171Z",
"dateUpdated": "2026-08-28T16:51:38.368Z",
"state": "PUBLISHED"
},
"dataType": "CVE_RECORD",
"dataVersion": "5.2",
"vulnerability-lookup:meta": {
"vulnrichment": {
"containers": "{\"cna\": {\"providerMetadata\": {\"orgId\": \"7004884b-51e2-48e8-b4a2-5ca29e80453e\", \"shortName\": \"Hackrate\", \"dateUpdated\": \"2026-08-27T15:36:18.188Z\"}, \"title\": \"Authenticated RCE through Twig sandbox escape\", \"problemTypes\": [{\"descriptions\": [{\"lang\": \"en\", \"cweId\": \"CWE-693\", \"description\": \"CWE-693 Protection Mechanism Failure\", \"type\": \"CWE\"}]}], \"affected\": [{\"vendor\": \"craftcms\", \"product\": \"cms\", \"collectionURL\": \"https://packagist.org\", \"packageName\": \"craftcms/cms\", \"versions\": [{\"status\": \"affected\", \"version\": \"4.0.0-RC1\", \"lessThan\": \"4.18.3\", \"versionType\": \"semver\"}, {\"status\": \"affected\", \"version\": \"5.0.0-RC1\", \"lessThan\": \"5.10.7\", \"versionType\": \"semver\"}], \"defaultStatus\": \"unaffected\"}], \"cpeApplicability\": [{\"operator\": \"OR\", \"nodes\": [{\"operator\": \"OR\", \"negate\": false, \"cpeMatch\": [{\"vulnerable\": true, \"criteria\": \"cpe:2.3:a:craftcms:cms:*:*:*:*:*:*:*:*\", \"versionStartIncluding\": \"4.0.0-rc1\", \"versionEndExcluding\": \"4.18.3\"}, {\"vulnerable\": true, \"criteria\": \"cpe:2.3:a:craftcms:cms:*:*:*:*:*:*:*:*\", \"versionStartIncluding\": \"5.0.0-rc1\", \"versionEndExcluding\": \"5.10.7\"}]}]}], \"descriptions\": [{\"lang\": \"en\", \"value\": \"The Twig sandbox mechanism in Craft CMS is configured to allow dangerous functionality from the Yii framework, leading to authenticated RCE similar to previously disclosed vulnerabilities.\", \"supportingMedia\": [{\"type\": \"text/html\", \"base64\": false, \"value\": \"The Twig sandbox mechanism in Craft CMS is configured to allow dangerous functionality from the Yii framework, leading to authenticated RCE similar to previously disclosed vulnerabilities.\u003cbr\u003e\"}]}], \"references\": [{\"url\": \"https://www.hckrt.com/hacktivity/HCKRT-8RQQ7K\", \"tags\": [\"third-party-advisory\", \"technical-description\", \"mitigation\"]}, {\"url\": \"https://github.com/craftcms/cms/releases/tag/5.10.7\", \"tags\": [\"release-notes\"]}, {\"url\": \"https://github.com/craftcms/cms\", \"tags\": [\"product\"]}], \"metrics\": [{\"format\": \"CVSS\", \"scenarios\": [{\"lang\": \"en\", \"value\": \"GENERAL\"}], \"cvssV4_0\": {\"attackVector\": \"NETWORK\", \"attackComplexity\": \"LOW\", \"attackRequirements\": \"NONE\", \"privilegesRequired\": \"LOW\", \"userInteraction\": \"NONE\", \"vulnConfidentialityImpact\": \"HIGH\", \"subConfidentialityImpact\": \"NONE\", \"vulnIntegrityImpact\": \"HIGH\", \"subIntegrityImpact\": \"NONE\", \"vulnAvailabilityImpact\": \"HIGH\", \"subAvailabilityImpact\": \"NONE\", \"exploitMaturity\": \"NOT_DEFINED\", \"Safety\": \"NOT_DEFINED\", \"Automatable\": \"NOT_DEFINED\", \"Recovery\": \"NOT_DEFINED\", \"valueDensity\": \"NOT_DEFINED\", \"vulnerabilityResponseEffort\": \"NOT_DEFINED\", \"providerUrgency\": \"NOT_DEFINED\", \"version\": \"4.0\", \"baseSeverity\": \"HIGH\", \"baseScore\": 8.7, \"vectorString\": \"CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N\"}}], \"credits\": [{\"lang\": \"en\", \"value\": \"Oskar Zeino-Mahmalat (@oskar-cure53)\", \"type\": \"reporter\"}, {\"lang\": \"en\", \"value\": \"Hackrate\", \"type\": \"coordinator\"}], \"source\": {\"advisory\": \"GHSA-F5WM-88JV-G5HX\", \"discovery\": \"UNKNOWN\"}, \"x_generator\": {\"engine\": \"Vulnogram 1.0.4\"}}, \"adp\": [{\"title\": \"CISA ADP Vulnrichment\", \"metrics\": [{\"other\": {\"type\": \"ssvc\", \"content\": {\"id\": \"CVE-2026-79988\", \"role\": \"CISA Coordinator\", \"options\": [{\"Exploitation\": \"none\"}, {\"Automatable\": \"no\"}, {\"Technical Impact\": \"total\"}], \"version\": \"2.0.3\", \"timestamp\": \"2026-08-28T03:55:36.964723Z\"}}}], \"providerMetadata\": {\"orgId\": \"134c704f-9b21-4f2e-91b3-4a467353bcc0\", \"shortName\": \"CISA-ADP\", \"dateUpdated\": \"2026-08-27T19:30:11.955Z\"}}]}",
"cveMetadata": "{\"cveId\": \"CVE-2026-79988\", \"assignerOrgId\": \"7004884b-51e2-48e8-b4a2-5ca29e80453e\", \"state\": \"PUBLISHED\", \"assignerShortName\": \"Hackrate\", \"dateReserved\": \"2026-08-25T16:39:03.171Z\", \"datePublished\": \"2026-08-27T15:36:18.188Z\", \"dateUpdated\": \"2026-08-28T16:51:38.368Z\"}",
"dataType": "CVE_RECORD",
"dataVersion": "5.2"
}
}
}
Loading…
Loading…
Sightings
| Author | Source | Type | Date |
|---|
Nomenclature
- Seen: The vulnerability was mentioned, discussed, or seen somewhere by the user.
- Confirmed: The vulnerability is confirmed from an analyst perspective.
- Published Proof of Concept: A public proof of concept is available for this vulnerability.
- Exploited: This vulnerability was exploited and seen by the user reporting the sighting.
- Patched: This vulnerability was successfully patched by the user reporting the sighting.
- Not exploited: This vulnerability was not exploited or seen by the user reporting the sighting.
- Not confirmed: The user expresses doubt about the veracity of the vulnerability.
- Not patched: This vulnerability was not successfully patched by the user reporting the sighting.
Loading…
Loading…