{ "dataType": "CVE_RECORD", "dataVersion": "5.2", "cveMetadata": { "cveId": "CVE-2026-34070", "assignerOrgId": "a0819718-46f1-4df5-94e2-005712e83aaa", "state": "PUBLISHED", "assignerShortName": "GitHub_M", "dateReserved": "2026-03-25T16:21:40.867Z", "datePublished": "2026-03-31T02:01:49.320Z", "dateUpdated": "2026-08-25T12:05:55.349Z" }, "containers": { "cna": { "title": "LangChain Core has Path Traversal vulnerabilites in legacy `load_prompt` functions", "problemTypes": [ { "descriptions": [ { "cweId": "CWE-22", "lang": "en", "description": "CWE-22: Improper Limitation of a Pathname to a Restricted Directory ('Path Traversal')", "type": "CWE" } ] } ], "metrics": [ { "cvssV3_1": { "attackComplexity": "LOW", "attackVector": "NETWORK", "availabilityImpact": "NONE", "baseScore": 7.5, "baseSeverity": "HIGH", "confidentialityImpact": "HIGH", "integrityImpact": "NONE", "privilegesRequired": "NONE", "scope": "UNCHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N", "version": "3.1" } } ], "references": [ { "name": "https://github.com/langchain-ai/langchain/security/advisories/GHSA-qh6h-p6c9-ff54", "tags": [ "x_refsource_CONFIRM" ], "url": "https://github.com/langchain-ai/langchain/security/advisories/GHSA-qh6h-p6c9-ff54" }, { "name": "https://github.com/langchain-ai/langchain/commit/27add913474e01e33bededf4096151130ba0d47c", "tags": [ "x_refsource_MISC" ], "url": "https://github.com/langchain-ai/langchain/commit/27add913474e01e33bededf4096151130ba0d47c" }, { "name": "https://github.com/langchain-ai/langchain/releases/tag/langchain-core==1.2.22", "tags": [ "x_refsource_MISC" ], "url": "https://github.com/langchain-ai/langchain/releases/tag/langchain-core==1.2.22" } ], "affected": [ { "vendor": "langchain-ai", "product": "langchain", "versions": [ { "version": "< 1.2.22", "status": "affected" } ] } ], "providerMetadata": { "orgId": "a0819718-46f1-4df5-94e2-005712e83aaa", "shortName": "GitHub_M", "dateUpdated": "2026-03-31T02:01:49.320Z" }, "descriptions": [ { "lang": "en", "value": "LangChain is a framework for building agents and LLM-powered applications. Prior to version 1.2.22, multiple functions in langchain_core.prompts.loading read files from paths embedded in deserialized config dicts without validating against directory traversal or absolute path injection. When an application passes user-influenced prompt configurations to load_prompt() or load_prompt_from_config(), an attacker can read arbitrary files on the host filesystem, constrained only by file-extension checks (.txt for templates, .json/.yaml for examples). This issue has been patched in version 1.2.22." } ], "source": { "advisory": "GHSA-qh6h-p6c9-ff54", "discovery": "UNKNOWN" } }, "adp": [ { "references": [ { "url": "https://github.com/langchain-ai/langchain/security/advisories/GHSA-qh6h-p6c9-ff54", "tags": [ "exploit" ] } ], "metrics": [ { "other": { "type": "ssvc", "content": { "timestamp": "2026-03-31T15:17:33.597003Z", "id": "CVE-2026-34070", "options": [ { "Exploitation": "poc" }, { "Automatable": "yes" }, { "Technical Impact": "partial" } ], "role": "CISA Coordinator", "version": "2.0.3" } } } ], "title": "CISA ADP Vulnrichment", "providerMetadata": { "orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "shortName": "CISA-ADP", "dateUpdated": "2026-03-31T18:04:59.283Z" } }, { "affected": [ { "collectionURL": "https://catalog.redhat.com/software/containers/", "cpes": [ "cpe:/a:redhat:ansible_automation_platform:2.5::el8" ], "defaultStatus": "affected", "packageName": "ansible-automation-platform-25/lightspeed-rhel8", "product": "Red Hat Ansible Automation Platform 2.5", "vendor": "Red Hat", "versions": [ { "lessThan": "*", "status": "unaffected", "version": "1780082949", "versionType": "rpm" }, { "lessThan": "*", "status": "unaffected", "version": "1787229385", "versionType": "rpm" } ] }, { "collectionURL": "https://catalog.redhat.com/software/containers/", "cpes": [ "cpe:/a:redhat:openshift_ai:3.3::el9" ], "defaultStatus": "affected", "packageName": "rhoai/odh-llama-stack-core-rhel9", "product": "Red Hat OpenShift AI 3.3", "vendor": "Red Hat", "versions": [ { "lessThan": "*", "status": "unaffected", "version": "1782471587", "versionType": "rpm" } ] }, { "collectionURL": "https://catalog.redhat.com/software/containers/", "cpes": [ "cpe:/a:redhat:openshift_ai:3.3::el9" ], "defaultStatus": "affected", "packageName": "rhoai/odh-trustyai-nemo-guardrails-server-rhel9", "product": "Red Hat OpenShift AI 3.3", "vendor": "Red Hat", "versions": [ { "lessThan": "*", "status": "unaffected", "version": "1782471606", "versionType": "rpm" } ] }, { "collectionURL": "https://access.redhat.com/downloads/content/package-browser/", "cpes": [ "cpe:/a:redhat:openshift_lightspeed" ], "defaultStatus": "affected", "packageName": "openshift-lightspeed/lightspeed-service-api-rhel9", "product": "OpenShift Lightspeed", "vendor": "Red Hat" }, { "collectionURL": "https://access.redhat.com/downloads/content/package-browser/", "cpes": [ "cpe:/a:redhat:ansible_automation_platform:2" ], "defaultStatus": "affected", "packageName": "ansible-automation-platform-25/lightspeed-chatbot-rhel8", "product": "Red Hat Ansible Automation Platform 2", "vendor": "Red Hat" }, { "collectionURL": "https://access.redhat.com/downloads/content/package-browser/", "cpes": [ "cpe:/a:redhat:ansible_automation_platform:2" ], "defaultStatus": "affected", "packageName": "ansible-automation-platform-26/lightspeed-rhel9", "product": "Red Hat Ansible Automation Platform 2", "vendor": "Red Hat" }, { "collectionURL": "https://access.redhat.com/downloads/content/package-browser/", "cpes": [ "cpe:/a:redhat:openshift_ai" ], "defaultStatus": "unaffected", "packageName": "rhoai/odh-mlflow-rhel9", "product": "Red Hat OpenShift AI (RHOAI)", "vendor": "Red Hat" } ], "datePublic": "2026-03-31T02:01:49.320Z", "descriptions": [ { "lang": "en", "value": "A flaw was found in LangChain. Multiple functions in `langchain_core.prompts.loading` read files from paths embedded in deserialized configuration dictionaries without validation for directory traversal or absolute path injection. When an application passes user-influenced prompt configurations to `load_prompt()` or `load_prompt_from_config()`, an attacker can read arbitrary files on the host filesystem." } ], "metrics": [ { "other": { "content": { "namespace": "https://access.redhat.com/security/updates/classification/", "value": "Important" }, "type": "Red Hat severity rating" } }, { "cvssV3_1": { "attackComplexity": "LOW", "attackVector": "NETWORK", "availabilityImpact": "NONE", "baseScore": 7.5, "baseSeverity": "HIGH", "confidentialityImpact": "HIGH", "integrityImpact": "NONE", "privilegesRequired": "NONE", "scope": "UNCHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N", "version": "3.1" }, "format": "CVSS" } ], "problemTypes": [ { "descriptions": [ { "cweId": "CWE-22", "description": "Improper Limitation of a Pathname to a Restricted Directory ('Path Traversal')", "lang": "en", "type": "CWE" } ] } ], "references": [ { "tags": [ "vdb-entry", "x_refsource_REDHAT" ], "url": "https://access.redhat.com/security/cve/CVE-2026-34070" }, { "name": "RHBZ#2453287", "tags": [ "issue-tracking", "x_refsource_REDHAT" ], "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2453287" }, { "tags": [ "x_sadp-csaf-vex" ], "url": "https://security.access.redhat.com/data/csaf/v2/vex/2026/cve-2026-34070.json" }, { "tags": [ "vendor-advisory", "x_refsource_REDHAT" ], "url": "https://access.redhat.com/errata/RHSA-2026:24766" }, { "tags": [ "vendor-advisory", "x_refsource_REDHAT" ], "url": "https://access.redhat.com/errata/RHSA-2026:59159" }, { "tags": [ "vendor-advisory", "x_refsource_REDHAT" ], "url": "https://access.redhat.com/errata/RHSA-2026:37275" } ], "solutions": [ { "lang": "en", "value": "RHSA-2026:24766: Red Hat Ansible Automation Platform 2.5" }, { "lang": "en", "value": "RHSA-2026:59159: Red Hat Ansible Automation Platform 2.5" }, { "lang": "en", "value": "RHSA-2026:37275: Red Hat OpenShift AI 3.3" } ], "timeline": [ { "lang": "en", "time": "2026-03-31T03:02:19.523Z", "value": "Reported to Red Hat." }, { "lang": "en", "time": "2026-03-31T02:01:49.320Z", "value": "Made public." } ], "title": "langchain: path traversal in legacy load_prompt functions in langchain-core", "workarounds": [ { "lang": "en", "value": "As described in the statement section, the vulnerable methods are legacy APIs and their use should be avoided. To mitigate this issue, the dumpd, dumps, load and loads methods from langchain_core.load should be used, as they supersede the legacy API and provide a more secure serialization model." } ], "x_adpType": "supplier", "x_generator": { "engine": "sadp-cli 1.0.0" }, "providerMetadata": { "orgId": "0b0ca135-0b70-47e7-9f44-1890c2a1c46c", "shortName": "redhat-SADP", "dateUpdated": "2026-08-25T12:05:55.349Z" } } ] } }