{"id":"CVE-2026-34070","aliases":["CLSA-2026-1776126826","EUVD-2026-17283","GHSA-qh6h-p6c9-ff54","PYSEC-2026-2193","ROOT-APP-PYPI-CVE-2026-34070"],"status":"published","title":"LangChain Core has Path Traversal vulnerabilites in legacy `load_prompt` functions","description":"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.","severity":{"version":"3.1","score":7.5,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N","level":"high","assessor":"cna","from":"cve"},"epss":{"day":"2026-11-10","score":0.01436,"percentile":0.73341,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":true,"fix_available":true},"cwes":["CWE-22"],"published":"2026-03-27T19:45:00Z","modified":"2026-10-28T02:31:11Z","exploits":[{"source":"pocgithub","id":"Rickidevs/CVE-2026-34070","title":"Rickidevs/CVE-2026-34070","date":"2026-03-26","url":"https://github.com/Rickidevs/CVE-2026-34070"}],"fixes":[{"ecosystem":"PyPI","package":"langchain-core","fixed_in":["1.2.22"],"sources":["ghsa","osv"]},{"ecosystem":"TuxCare:PyPI","package":"langchain-core","fixed_in":["0.3.83.post1+tuxcare"],"sources":["osv"]},{"ecosystem":"Root:PyPI","package":"langchain-core","fixed_in":["1.2.4+aikido.5","0.3.84+aikido.3","0.3.72+aikido.4","0.3.78+aikido.2","1.2.0+aikido.2","1.0.2+aikido.5"],"sources":["osv"]},{"ecosystem":"Root:PyPI","package":"rootio-langchain-core","fixed_in":["1.2.4+root.io.2","0.3.84+root.io.1","0.3.86+root.io.1","1.2.4+root.io.3","0.3.84+root.io.2","1.2.4+root.io.4","1.2.4+root.io.5","0.3.84+root.io.3"],"sources":["osv"]}],"affected":[{"source":"ghsa","ecosystem":"PyPI","package":"langchain-core","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"1.2.22"}]}]},{"source":"osv","ecosystem":"TuxCare:PyPI","package":"langchain-core","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0.3.83"},{"fixed":"0.3.83.post1+tuxcare"}]}],"versions":["0.3.83"]},{"source":"osv","ecosystem":"PyPI","package":"langchain-core","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"1.2.22"}]}],"versions":["0.0.1","0.0.10","0.0.11","0.0.12","0.0.13","0.0.13rc1","0.0.13rc2","0.0.2","0.0.3","0.0.4","0.0.5","0.0.6","0.0.7","0.0.8","0.0.9","0.1.0","0.1.1","0.1.10","0.1.11","0.1.12","0.1.12rc1","0.1.13","0.1.14","0.1.15","0.1.15rc1","0.1.15rc2","0.1.16","0.1.17","0.1.18","0.1.19","0.1.2","0.1.20","0.1.21","0.1.22","0.1.23","0.1.24","0.1.25","0.1.26","0.1.27","0.1.28","0.1.29","0.1.3","0.1.30","0.1.31","0.1.32","0.1.33","0.1.33rc1","0.1.34","0.1.35","0.1.36","0.1.37","0.1.38","0.1.39","0.1.4","0.1.40","0.1.41","0.1.42","0.1.42rc1","0.1.43","0.1.44","0.1.45","0.1.46","0.1.47","0.1.47rc1","0.1.48","0.1.49","0.1.5","0.1.50","0.1.51","0.1.52","0.1.53","0.1.6","0.1.7","0.1.8","0.1.9","0.2.0","0.2.0rc1","0.2.1","0.2.10","0.2.11","0.2.12","0.2.13","0.2.15","0.2.16","0.2.17","0.2.18","0.2.19","0.2.2","0.2.20","0.2.21","0.2.22","0.2.23","0.2.24","0.2.25","0.2.26","0.2.27","0.2.28","0.2.29","0.2.29rc1","0.2.2rc1","0.2.3","0.2.30","0.2.31","0.2.32","0.2.33","0.2.34","0.2.35","0.2.36","0.2.37","0.2.38","0.2.39","0.2.4","0.2.40","0.2.41","0.2.42","0.2.43","0.2.5","0.2.6","0.2.7","0.2.8","0.2.9","0.3.0","0.3.0.dev0","0.3.0.dev1","0.3.0.dev2","0.3.0.dev3","0.3.0.dev4","0.3.0.dev5","0.3.1","0.3.10","0.3.11","0.3.12","0.3.13","0.3.14","0.3.15","0.3.16","0.3.17","0.3.18","0.3.19","0.3.2","0.3.20","0.3.21","0.3.22","0.3.23","0.3.24","0.3.25","0.3.26","0.3.27","0.3.28","0.3.29","0.3.3","0.3.30","0.3.31","0.3.32","0.3.33","0.3.34","0.3.34rc1","0.3.34rc2","0.3.35","0.3.36","0.3.37","0.3.38","0.3.39","0.3.4","0.3.40","0.3.41","0.3.42","0.3.43","0.3.44","0.3.45","0.3.45rc1","0.3.46","0.3.47","0.3.48","0.3.49","0.3.5","0.3.50","0.3.51","0.3.52","0.3.53","0.3.54","0.3.55","0.3.56","0.3.56rc1","0.3.57","0.3.58","0.3.59","0.3.6","0.3.60","0.3.61","0.3.62","0.3.63","0.3.64","0.3.65","0.3.66","0.3.67","0.3.68","0.3.69","0.3.7","0.3.70","0.3.71","0.3.72","0.3.73","0.3.74","0.3.75","0.3.76","0.3.77","0.3.78","0.3.79","0.3.8","0.3.80","0.3.81","0.3.82","0.3.83","0.3.84","0.3.85","0.3.86","0.3.9","0.4.0.dev0","1.0.0","1.0.0a1","1.0.0a2","1.0.0a3","1.0.0a4","1.0.0a5","1.0.0a6","1.0.0a7","1.0.0a8","1.0.0rc1","1.0.0rc2","1.0.0rc3","1.0.1","1.0.2","1.0.3","1.0.4","1.0.5","1.0.6","1.0.7","1.1.0","1.1.1","1.1.2","1.1.3","1.2.0","1.2.1","1.2.10","1.2.11","1.2.12","1.2.13","1.2.14","1.2.15","1.2.16","1.2.17","1.2.18","1.2.19","1.2.2","1.2.20","1.2.21","1.2.3","1.2.4","1.2.5","1.2.6","1.2.7","1.2.8","1.2.9"]},{"source":"osv","ecosystem":"PyPI","package":"langchain-core","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"1.2.22"}]}],"versions":["0.0.1","0.0.10","0.0.11","0.0.12","0.0.13","0.0.13rc1","0.0.13rc2","0.0.2","0.0.3","0.0.4","0.0.5","0.0.6","0.0.7","0.0.8","0.0.9","0.1.0","0.1.1","0.1.10","0.1.11","0.1.12","0.1.12rc1","0.1.13","0.1.14","0.1.15","0.1.15rc1","0.1.15rc2","0.1.16","0.1.17","0.1.18","0.1.19","0.1.2","0.1.20","0.1.21","0.1.22","0.1.23","0.1.24","0.1.25","0.1.26","0.1.27","0.1.28","0.1.29","0.1.3","0.1.30","0.1.31","0.1.32","0.1.33","0.1.33rc1","0.1.34","0.1.35","0.1.36","0.1.37","0.1.38","0.1.39","0.1.4","0.1.40","0.1.41","0.1.42","0.1.42rc1","0.1.43","0.1.44","0.1.45","0.1.46","0.1.47","0.1.47rc1","0.1.48","0.1.49","0.1.5","0.1.50","0.1.51","0.1.52","0.1.53","0.1.6","0.1.7","0.1.8","0.1.9","0.2.0","0.2.0rc1","0.2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hat","product":"openshift lightspeed"},{"vendor":"red hat","product":"red hat ansible automation platform 2"},{"vendor":"red hat","product":"red hat ansible automation platform 2.5"},{"vendor":"red hat","product":"red hat openshift ai (rhoai)"},{"vendor":"red hat","product":"red hat openshift ai 3.3"}],"references":[{"url":"https://github.com/langchain-ai/langchain/security/advisories/GHSA-qh6h-p6c9-ff54","tags":["x_refsource_CONFIRM","exploit","Exploit","Vendor Advisory","advisory","web","evidence"]},{"url":"https://github.com/langchain-ai/langchain/commit/27add913474e01e33bededf4096151130ba0d47c","tags":["x_refsource_MISC","Patch","fix","web"]},{"url":"https://github.com/langchain-ai/langchain/releases/tag/langchain-core==1.2.22","tags":["x_refsource_MISC","Release Notes","web","advisory"]},{"url":"https://access.redhat.com/security/cve/CVE-2026-34070","tags":["vdb-entry","x_refsource_REDHAT","advisory","web"]},{"url":"https://bugzilla.redhat.com/show_bug.cgi?id=2453287","tags":["issue-tracking","x_refsource_REDHAT","report"]},{"url":"https://security.access.redhat.com/data/csaf/v2/vex/2026/cve-2026-34070.json","tags":["x_sadp-csaf-vex","web"]},{"url":"https://access.redhat.com/errata/RHSA-2026:24766","tags":["vendor-advisory","x_refsource_REDHAT","advisory"]},{"url":"https://access.redhat.com/errata/RHSA-2026:59159","tags":["vendor-advisory","x_refsource_REDHAT","advisory"]},{"url":"https://access.redhat.com/errata/RHSA-2026:37275","tags":["vendor-advisory","x_refsource_REDHAT","advisory"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2026-34070","tags":["advisory"]},{"url":"https://github.com/advisories/GHSA-qh6h-p6c9-ff54"},{"url":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/34xxx/CVE-2026-34070.json","tags":["advisory"]},{"url":"https://github.com/langchain-ai/langchain","tags":["package"]}],"sources":{"cve":[{"id":"CVE-2026-34070","title":"LangChain Core has Path Traversal vulnerabilites in legacy `load_prompt` functions","description":"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.","status":"published","published":"2026-03-31T02:01:49.32Z","modified":"2026-08-25T12:05:55.349Z","cvss":[{"version":"3.1","score":7.5,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N","level":"high","assessor":"cna"},{"version":"3.1","score":7.5,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N","level":"high","assessor":"adp"}],"cwes":["CWE-22","CWE-22"],"updated_at":"2026-11-02T14:20:13.962274Z"}],"euvd":[{"id":"EUVD-2026-17283","description":"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.","status":"published","published":"2026-03-31T02:01:49Z","modified":"2026-08-25T12:05:55Z","cvss":[{"version":"3.1","score":7.5,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N","level":"high"}],"updated_at":"2026-11-02T18:01:33.385611Z"}],"ghsa":[{"id":"GHSA-qh6h-p6c9-ff54","title":"LangChain Core has Path Traversal vulnerabilites in legacy `load_prompt` functions","description":"## Summary\n\nMultiple 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).\n\n**Note:** The affected functions (`load_prompt`, `load_prompt_from_config`, and the `.save()` method on prompt classes) are undocumented legacy APIs. They are superseded by the `dumpd`/`dumps`/`load`/`loads` serialization APIs in `langchain_core.load`, which do not perform filesystem reads and use an allowlist-based security model. As part of this fix, the legacy APIs have been formally deprecated and will be removed in 2.0.0.\n\n## Affected component\n\n**Package:** `langchain-core`\n**File:** `langchain_core/prompts/loading.py`\n**Affected functions:** `_load_template()`, `_load_examples()`, `_load_few_shot_prompt()`\n\n## Severity\n\n**High** \n\nThe score reflects the file-extension constraints that limit which files can be read.\n\n## Vulnerable code paths\n\n| Config key | Loaded by | Readable extensions |\n|---|---|---|\n| `template_path`, `suffix_path`, `prefix_path` | `_load_template()` | `.txt` |\n| `examples` (when string) | `_load_examples()` | `.json`, `.yaml`, `.yml` |\n| `example_prompt_path` | `_load_few_shot_prompt()` | `.json`, `.yaml`, `.yml` |\n\nNone of these code paths validated the supplied path against absolute path injection or `..` traversal sequences before reading from disk.\n\n## Impact\n\nAn attacker who controls or influences the prompt configuration dict can read files outside the intended directory:\n\n- **`.txt` files:** cloud-mounted secrets (`/mnt/secrets/api_key.txt`), `requirements.txt`, internal system prompts\n- **`.json`/`.yaml` files:** cloud credentials (`~/.docker/config.json`, `~/.azure/accessTokens.json`), Kubernetes manifests, CI/CD configs, application settings\n\nThis is exploitable in applications that accept prompt configs from untrusted sources, including low-code AI builders and API wrappers that expose `load_prompt_from_config()`.\n\n## Proof of concept\n\n```python\nfrom langchain_core.prompts.loading import load_prompt_from_config\n\n# Reads /tmp/secret.txt via absolute path injection\nconfig = {\n    \"_type\": \"prompt\",\n    \"template_path\": \"/tmp/secret.txt\",\n    \"input_variables\": [],\n}\nprompt = load_prompt_from_config(config)\nprint(prompt.template)  # file contents disclosed\n\n# Reads ../../etc/secret.txt via directory traversal\nconfig = {\n    \"_type\": \"prompt\",\n    \"template_path\": \"../../etc/secret.txt\",\n    \"input_variables\": [],\n}\nprompt = load_prompt_from_config(config)\n\n# Reads arbitrary .json via few-shot examples\nconfig = {\n    \"_type\": \"few_shot\",\n    \"examples\": \"../../../../.docker/config.json\",\n    \"example_prompt\": {\n        \"_type\": \"prompt\",\n        \"input_variables\": [\"input\", \"output\"],\n        \"template\": \"{input}: {output}\",\n    },\n    \"prefix\": \"\",\n    \"suffix\": \"{query}\",\n    \"input_variables\": [\"query\"],\n}\nprompt = load_prompt_from_config(config)\n```\n\n## Mitigation\n\n**Update `langchain-core` to \u003e= 1.2.22.**\n\nThe fix adds path validation that rejects absolute paths and `..` traversal sequences by default. An `allow_dangerous_paths=True` keyword argument is available on `load_prompt()` and `load_prompt_from_config()` for trusted inputs.\n\nAs described above, these legacy APIs have been formally deprecated. Users should migrate to `dumpd`/`dumps`/`load`/`loads` from `langchain_core.load`.\n\n## Credit\n\n- [jiayuqi7813](https://github.com/jiayuqi7813) reporter\n- [VladimirEliTokarev](https://github.com/VladimirEliTokarev) reporter\n- [Rickidevs](https://github.com/Rickidevs) reporter\n- Kenneth Cox (cczine@gmail.com) reporter","status":"published","published":"2026-03-27T19:45:00Z","modified":"2026-03-31T18:41:15Z","cvss":[{"version":"3.1","score":7.5,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N","level":"high"}],"cwes":["CWE-22"],"updated_at":"2026-11-02T14:39:46.119458Z"}],"nvd":[{"id":"CVE-2026-34070","description":"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.","status":"published","published":"2026-03-31T03:15:58.947Z","modified":"2026-08-25T13:18:38.963Z","cvss":[{"version":"3.1","score":7.5,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N","level":"high","assessor":"secondary"},{"version":"3.1","score":7.5,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N","level":"high","assessor":"secondary"}],"cwes":["CWE-22"],"updated_at":"2026-11-02T14:12:12.261218Z"}],"osv":[{"id":"CVE-2026-34070","title":"LangChain Core has Path Traversal vulnerabilites in legacy `load_prompt` functions","description":"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.","status":"published","published":"2026-03-31T02:01:49.32Z","modified":"2026-10-28T02:31:11.076100218Z","cvss":[{"version":"3.1","score":7.5,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N","level":"high"}],"cwes":["CWE-22"],"updated_at":"2026-11-02T15:45:02.247031Z"},{"id":"GHSA-qh6h-p6c9-ff54","title":"LangChain Core has Path Traversal vulnerabilites in legacy `load_prompt` functions","description":"## Summary\n\nMultiple 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).\n\n**Note:** The affected functions (`load_prompt`, `load_prompt_from_config`, and the `.save()` method on prompt classes) are undocumented legacy APIs. They are superseded by the `dumpd`/`dumps`/`load`/`loads` serialization APIs in `langchain_core.load`, which do not perform filesystem reads and use an allowlist-based security model. As part of this fix, the legacy APIs have been formally deprecated and will be removed in 2.0.0.\n\n## Affected component\n\n**Package:** `langchain-core`\n**File:** `langchain_core/prompts/loading.py`\n**Affected functions:** `_load_template()`, `_load_examples()`, `_load_few_shot_prompt()`\n\n## Severity\n\n**High** \n\nThe score reflects the file-extension constraints that limit which files can be read.\n\n## Vulnerable code paths\n\n| Config key | Loaded by | Readable extensions |\n|---|---|---|\n| `template_path`, `suffix_path`, `prefix_path` | `_load_template()` | `.txt` |\n| `examples` (when string) | `_load_examples()` | `.json`, `.yaml`, `.yml` |\n| `example_prompt_path` | `_load_few_shot_prompt()` | `.json`, `.yaml`, `.yml` |\n\nNone of these code paths validated the supplied path against absolute path injection or `..` traversal sequences before reading from disk.\n\n## Impact\n\nAn attacker who controls or influences the prompt configuration dict can read files outside the intended directory:\n\n- **`.txt` files:** cloud-mounted secrets (`/mnt/secrets/api_key.txt`), `requirements.txt`, internal system prompts\n- **`.json`/`.yaml` files:** cloud credentials (`~/.docker/config.json`, `~/.azure/accessTokens.json`), Kubernetes manifests, CI/CD configs, application settings\n\nThis is exploitable in applications that accept prompt configs from untrusted sources, including low-code AI builders and API wrappers that expose `load_prompt_from_config()`.\n\n## Proof of concept\n\n```python\nfrom langchain_core.prompts.loading import load_prompt_from_config\n\n# Reads /tmp/secret.txt via absolute path injection\nconfig = {\n    \"_type\": \"prompt\",\n    \"template_path\": \"/tmp/secret.txt\",\n    \"input_variables\": [],\n}\nprompt = load_prompt_from_config(config)\nprint(prompt.template)  # file contents disclosed\n\n# Reads ../../etc/secret.txt via directory traversal\nconfig = {\n    \"_type\": \"prompt\",\n    \"template_path\": \"../../etc/secret.txt\",\n    \"input_variables\": [],\n}\nprompt = load_prompt_from_config(config)\n\n# Reads arbitrary .json via few-shot examples\nconfig = {\n    \"_type\": \"few_shot\",\n    \"examples\": \"../../../../.docker/config.json\",\n    \"example_prompt\": {\n        \"_type\": \"prompt\",\n        \"input_variables\": [\"input\", \"output\"],\n        \"template\": \"{input}: {output}\",\n    },\n    \"prefix\": \"\",\n    \"suffix\": \"{query}\",\n    \"input_variables\": [\"query\"],\n}\nprompt = load_prompt_from_config(config)\n```\n\n## Mitigation\n\n**Update `langchain-core` to \u003e= 1.2.22.**\n\nThe fix adds path validation that rejects absolute paths and `..` traversal sequences by default. An `allow_dangerous_paths=True` keyword argument is available on `load_prompt()` and `load_prompt_from_config()` for trusted inputs.\n\nAs described above, these legacy APIs have been formally deprecated. Users should migrate to `dumpd`/`dumps`/`load`/`loads` from `langchain_core.load`.\n\n## Credit\n\n- [jiayuqi7813](https://github.com/jiayuqi7813) reporter\n- [VladimirEliTokarev](https://github.com/VladimirEliTokarev) reporter\n- [Rickidevs](https://github.com/Rickidevs) reporter\n- Kenneth Cox (cczine@gmail.com) reporter","status":"published","published":"2026-03-27T19:45:00Z","modified":"2026-09-10T03:50:40.64686377Z","cvss":[{"version":"3.1","score":7.5,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N","level":"high"}],"cwes":["CWE-22"],"updated_at":"2026-11-02T15:46:54.40888Z"},{"id":"PYSEC-2026-2193","description":"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.","status":"published","published":"2026-03-31T03:15:58.947Z","modified":"2026-07-13T07:15:26.389701816Z","cvss":[{"version":"3.1","score":7.5,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N","level":"high"}],"updated_at":"2026-11-02T15:52:55.537808Z"},{"id":"CLSA-2026-1776126826","title":"TuxCare security update for langchain-core (1 CVE)","description":"TuxCare rebuilt langchain-core to address 1 CVE. Fixed in 0.3.83.post1+tuxcare.","status":"published","published":"2026-08-04T14:52:25Z","modified":"2026-10-15T09:48:04.981376563Z","updated_at":"2026-11-02T15:43:44.009773Z"},{"id":"ROOT-APP-PYPI-CVE-2026-34070","title":"CVE-2026-34070 in langchain-core - Patched by Root","description":"Root has patched CVE-2026-34070 in the langchain-core package for Root:PyPI. Multiple fixed versions available.","status":"published","published":"2026-08-31T09:47:39Z","modified":"2026-08-31T11:30:05.985573849Z","updated_at":"2026-11-02T15:53:28.259095Z"}]}}