147 lines
6.3 KiB
JSON
147 lines
6.3 KiB
JSON
{
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"dataType": "CVE_RECORD",
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"dataVersion": "5.2",
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"cveMetadata": {
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"cveId": "CVE-2026-12940",
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"assignerOrgId": "9a959283-ebb5-44b6-b705-dcc2bbced522",
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"state": "PUBLISHED",
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"assignerShortName": "ibm",
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"dateReserved": "2026-06-22T19:44:45.455Z",
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"datePublished": "2026-07-30T16:41:54.216Z",
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"dateUpdated": "2026-07-31T03:56:16.617Z"
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},
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"containers": {
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"cna": {
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"providerMetadata": {
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"orgId": "9a959283-ebb5-44b6-b705-dcc2bbced522",
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"shortName": "ibm",
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"dateUpdated": "2026-07-30T16:41:54.216Z"
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},
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"title": "Langflow is affected by remote code execution due to multiple unauthenticated and insufficiently authorized API endpoints",
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"problemTypes": [
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{
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"descriptions": [
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{
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"lang": "en",
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"cweId": "CWE-78",
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"description": "CWE-78 Improper Neutralization of Special Elements used in an OS Command ('OS Command Injection')",
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"type": "CWE"
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}
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]
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}
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],
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"affected": [
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{
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"vendor": "IBM",
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"product": "Langflow OSS",
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"versions": [
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{
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"status": "affected",
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"version": "1.0.0",
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"lessThanOrEqual": "1.10.1",
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"versionType": "semver"
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}
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],
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"cpes": [
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"cpe:2.3:a:ibm:langflow_oss:1.0.0:*:*:*:*:*:*:*",
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"cpe:2.3:a:ibm:langflow_oss:1.10.1:*:*:*:*:*:*:*"
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]
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}
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],
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"descriptions": [
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{
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"lang": "en",
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"value": "IBM Langflow OSS 1.0.0 through 1.10.1 are vulnerable to unauthenticated remote code execution via environment variable injection in the MCP (Model Context Protocol) stdio launcher. The vulnerability exists in src/lfx/src/lfx/base/mcp/util.py where the DANGEROUS_ENV_VARS blocklist fails to include SHELLOPTS , BASHOPTS , and PS4 environment variables.",
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"supportingMedia": [
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{
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"type": "text/html",
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"base64": false,
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"value": "<p>IBM Langflow OSS 1.0.0 through 1.10.1 are vulnerable to unauthenticated remote code execution via environment variable injection in the MCP (Model Context Protocol) stdio launcher. The vulnerability exists in src/lfx/src/lfx/base/mcp/util.py where the DANGEROUS_ENV_VARS blocklist fails to include SHELLOPTS , BASHOPTS , and PS4 environment variables.</p>"
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}
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]
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}
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],
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"references": [
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{
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"url": "https://www.ibm.com/support/pages/node/7279995",
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"tags": [
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"vendor-advisory",
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"patch"
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]
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}
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],
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"metrics": [
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{
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"format": "CVSS",
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"scenarios": [
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{
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"lang": "en",
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"value": "GENERAL"
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}
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],
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"cvssV3_1": {
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"version": "3.1",
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"attackVector": "NETWORK",
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"attackComplexity": "LOW",
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"privilegesRequired": "NONE",
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"userInteraction": "NONE",
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"scope": "UNCHANGED",
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"confidentialityImpact": "HIGH",
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"integrityImpact": "HIGH",
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"availabilityImpact": "HIGH",
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"baseSeverity": "CRITICAL",
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"baseScore": 9.8,
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"vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H"
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}
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}
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],
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"solutions": [
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{
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"lang": "en",
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"value": "IBM strongly recommends addressing the vulnerability now by upgrading Langflow OSS to version 1.10.2 https://pypi.org/project/langflow/",
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"supportingMedia": [
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{
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"type": "text/html",
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"base64": false,
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"value": "<p>IBM strongly recommends addressing the vulnerability now by upgrading <a href=\"https://pypi.org/project/langflow/\" rel=\"nofollow\">Langflow OSS to version 1.10.2</a></p>"
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}
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]
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}
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]
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},
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"adp": [
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{
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"metrics": [
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{
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"other": {
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"type": "ssvc",
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"content": {
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"timestamp": "2026-07-30T00:00:00+00:00",
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"options": [
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{
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"Exploitation": "none"
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},
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{
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"Automatable": "yes"
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},
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{
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"Technical Impact": "total"
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}
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],
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"role": "CISA Coordinator",
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"version": "2.0.3",
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"id": "CVE-2026-12940"
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}
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}
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}
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],
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"title": "CISA ADP Vulnrichment",
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"providerMetadata": {
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"orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
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"shortName": "CISA-ADP",
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"dateUpdated": "2026-07-31T03:56:16.617Z"
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}
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}
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]
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}
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} |