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vuln-cve/data/2026/123xxx/CVE-2026-123370.json
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{
"dataType": "CVE_RECORD",
"dataVersion": "5.2",
"cveMetadata": {
"cveId": "CVE-2026-123370",
"assignerOrgId": "a0819718-46f1-4df5-94e2-005712e83aaa",
"state": "PUBLISHED",
"assignerShortName": "GitHub_M",
"dateReserved": "2026-11-05T20:43:10.420Z",
"datePublished": "2026-11-09T17:34:24.026Z",
"dateUpdated": "2026-11-09T17:34:24.026Z"
},
"containers": {
"cna": {
"title": "compose-lint: `fix --apply` can delete a line the user did not select, including a security setting",
"problemTypes": [
{
"descriptions": [
{
"cweId": "CWE-193",
"lang": "en",
"description": "CWE-193: Off-by-one Error",
"type": "CWE"
}
]
}
],
"metrics": [
{
"cvssV4_0": {
"attackVector": "NETWORK",
"attackComplexity": "LOW",
"attackRequirements": "NONE",
"privilegesRequired": "NONE",
"userInteraction": "ACTIVE",
"vulnConfidentialityImpact": "NONE",
"vulnIntegrityImpact": "LOW",
"vulnAvailabilityImpact": "NONE",
"subConfidentialityImpact": "NONE",
"subIntegrityImpact": "LOW",
"subAvailabilityImpact": "NONE",
"baseScore": 5.1,
"baseSeverity": "MEDIUM",
"vectorString": "CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:A/VC:N/VI:L/VA:N/SC:N/SI:L/SA:N",
"version": "4.0"
}
}
],
"references": [
{
"name": "https://github.com/tmatens/compose-lint/security/advisories/GHSA-65v8-q222-64xx",
"tags": [
"x_refsource_CONFIRM"
],
"url": "https://github.com/tmatens/compose-lint/security/advisories/GHSA-65v8-q222-64xx"
},
{
"name": "https://github.com/tmatens/compose-lint/pull/547",
"tags": [
"x_refsource_MISC"
],
"url": "https://github.com/tmatens/compose-lint/pull/547"
},
{
"name": "https://github.com/tmatens/compose-lint/pull/549",
"tags": [
"x_refsource_MISC"
],
"url": "https://github.com/tmatens/compose-lint/pull/549"
},
{
"name": "https://github.com/tmatens/compose-lint/commit/c9d453a6a69c076788fe1db05cb54684a616d1de",
"tags": [
"x_refsource_MISC"
],
"url": "https://github.com/tmatens/compose-lint/commit/c9d453a6a69c076788fe1db05cb54684a616d1de"
},
{
"name": "https://github.com/tmatens/compose-lint/commit/cbbf886d91347dea9c51b584eb50088e70007d0d",
"tags": [
"x_refsource_MISC"
],
"url": "https://github.com/tmatens/compose-lint/commit/cbbf886d91347dea9c51b584eb50088e70007d0d"
},
{
"name": "https://github.com/tmatens/compose-lint/releases/tag/v0.18.0",
"tags": [
"x_refsource_MISC"
],
"url": "https://github.com/tmatens/compose-lint/releases/tag/v0.18.0"
}
],
"affected": [
{
"vendor": "tmatens",
"product": "compose-lint",
"versions": [
{
"version": ">= 0.9.0, < 0.18.0",
"status": "affected"
}
]
}
],
"providerMetadata": {
"orgId": "a0819718-46f1-4df5-94e2-005712e83aaa",
"shortName": "GitHub_M",
"dateUpdated": "2026-11-09T17:34:24.026Z"
},
"descriptions": [
{
"lang": "en",
"value": "compose-lint is a Docker Compose security linter that identifies dangerous misconfigurations before deployment. From 0.9.0 until 0.18.0, compose-lint's YAML parser recognizes lone carriage returns and Unicode line separators U+0085, U+2028, and U+2029 as line breaks while fix position conversion counts only newline characters. A pull request can place one of these separators in a quoted value so fix --apply shifts each later edit and deletes the line after the selected target, including an unselected network or other security setting. The resulting Compose file can remain valid, post-edit checks can pass, and the command can report a successful fix even though the dry-run diff was the only place showing the extra deletion. This issue is fixed in version 0.18.0."
}
],
"source": {
"advisory": "GHSA-65v8-q222-64xx",
"discovery": "UNKNOWN"
}
}
}
}