CVE-2025-6984Sensitive Information Disclosure Due to Insecure XML Parsing in langchain-ai/langchain
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The langchain-ai/langchain project, specifically the EverNoteLoader component, is vulnerable to XML External Entity (XXE) attacks due to insecure XML parsing. The affected version is 0.3.63. The vulnerability arises from the use of etree.iterparse() without disabling external entity references, which can lead to sensitive information disclosure. An attacker could exploit this by crafting a malicious XML payload that references local files, potentially exposing sensitive data such as /etc/passwd.
- CVSS
- 7.5 HIGH (v3.0, CNA)CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N
- Weakness (CWE)
- CWE-200
- Known exploited
- Not in CISA's KEV catalog
- EPSS (exploitation in the next 30 days)
- Not loaded for this CVE
- Assigned by
- @huntr_ai
- NVD analysis
- Deferred
- Record last updated
- Sep 4, 2025
- First seen by InfoSec Signals
- Oct 19, 2026
Affected products
langchain-ai langchain-ai/langchain langchain_ai:langchain (from the name) | from unspecified through latest | CNA record |
References
- https://huntr.com/bounties/a6b521cf-258c-41c0-9edb-d8ef976abb2a
The CVE record on cve.org NVD's entry
The CVE record is authoritative. Products marked “from the name” were identified from the CNA's free-text names, not a CPE, and are matched less certainly. This product uses the NVD API but is not endorsed or certified by the NVD.