CVE-2026-82474 (GCVE-0-2026-82474)
Vulnerability from cvelistv5
Published
2026-08-29 16:35
Modified
2026-08-29 16:35
Severity ?
8.5 (High) - CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N
7.8 (High) - CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
7.8 (High) - CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
VLAI Severity ?
EPSS score ?
CWE
- CWE-693 - Protection Mechanism Failure
Summary
Sudo through 1.9.17p2 fails to apply intercept policy checks to the execveat system call in ptrace-based intercept mode. Users permitted to run specific commands can execute denied programs by calling execveat directly or through fexecve, bypassing policy enforcement and logging.
References
Impacted products
| Vendor | Product | Version | ||
|---|---|---|---|---|
| sudo-project | sudo |
Version: 0 < |
{
"containers": {
"cna": {
"affected": [
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"product": "sudo",
"vendor": "sudo-project",
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"status": "affected",
"version": "0",
"versionType": "custom"
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"cpeApplicability": [
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}
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"negate": false,
"operator": "OR"
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],
"credits": [
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"lang": "en",
"type": "finder",
"value": "XlabAI Team of Tencent Xuanwu Lab"
},
{
"lang": "en",
"type": "finder",
"value": "Guannan Wang"
},
{
"lang": "en",
"type": "finder",
"value": "Zhanpeng Liu"
},
{
"lang": "en",
"type": "finder",
"value": "Guancheng Li"
},
{
"lang": "en",
"type": "finder",
"value": "Nofil Qasim"
},
{
"lang": "en",
"type": "finder",
"value": "Quentin Chalabi"
}
],
"datePublic": "2026-03-20T00:00:00.000Z",
"descriptions": [
{
"lang": "en",
"value": "Sudo through 1.9.17p2 fails to apply intercept policy checks to the execveat system call in ptrace-based intercept mode. Users permitted to run specific commands can execute denied programs by calling execveat directly or through fexecve, bypassing policy enforcement and logging."
}
],
"metrics": [
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"attackRequirements": "NONE",
"attackVector": "LOCAL",
"baseScore": 8.5,
"baseSeverity": "HIGH",
"privilegesRequired": "LOW",
"subAvailabilityImpact": "NONE",
"subConfidentialityImpact": "NONE",
"subIntegrityImpact": "NONE",
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"vectorString": "CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N",
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"scope": "UNCHANGED",
"userInteraction": "NONE",
"vectorString": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H",
"version": "3.1"
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"problemTypes": [
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"descriptions": [
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"cweId": "CWE-693",
"description": "Protection Mechanism Failure",
"lang": "en",
"type": "CWE"
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"providerMetadata": {
"dateUpdated": "2026-08-29T16:35:33.836Z",
"orgId": "83251b91-4cc7-4094-a5c7-464a1b83ea10",
"shortName": "VulnCheck"
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"references": [
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"name": "Patch Commit",
"tags": [
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],
"url": "https://github.com/sudo-project/sudo/commit/71fbe42dcd5a1c8f799540583a2dfb2ae6221edf"
},
{
"tags": [
"technical-description"
],
"url": "https://github.com/sudo-project/sudo/blob/v1.9.17p2/src/exec_ptrace.c"
},
{
"tags": [
"product"
],
"url": "https://github.com/sudo-project/sudo"
},
{
"name": "VulnCheck Advisory: Sudo through 1.9.17p2 Intercept Policy Bypass via execveat",
"tags": [
"third-party-advisory"
],
"url": "https://www.vulncheck.com/advisories/sudo-through-1.9-17p2-intercept-policy-bypass-via-execveat"
}
],
"title": "Sudo through 1.9.17p2 Intercept Policy Bypass via execveat",
"x_generator": {
"engine": "vulncheck-endgame"
}
}
},
"cveMetadata": {
"assignerOrgId": "83251b91-4cc7-4094-a5c7-464a1b83ea10",
"assignerShortName": "VulnCheck",
"cveId": "CVE-2026-82474",
"datePublished": "2026-08-29T16:35:33.836Z",
"dateReserved": "2026-08-29T14:11:14.262Z",
"dateUpdated": "2026-08-29T16:35:33.836Z",
"state": "PUBLISHED"
},
"dataType": "CVE_RECORD",
"dataVersion": "5.2"
}
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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.
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