CVE-2025-6984Disclosure

LOWCVSS 7.5 · HIGH

Exploit discussion active in current signal (1 latest mentions)

Immediate actions

  • Prioritize remediation for affected systems immediately
  • Hunt for exploitation attempts and persistence artifacts
  • Increase monitoring for publicly documented tradecraft
  • Track advisory updates for patch or workaround availability

Recommended action window: High priority (within 72h)

NVD description

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.

3.5/ 10 priority

Sources & remediation

Weakness type (CWE)
CWE-200

Priority

LOW

Exploitation

NONE

PoC

YES

Patch

NONE

Momentum

NONE

Threat summary

  • Public PoC and exploit tooling are both present
  • 1 mentions across 1 observed day

What's happening

  • Exploit tool or code specified in 1 signal
  • PoC mentioned or linked in 1 signal
  • Technical details provided in 1 signal
  • Disclosure: 1 classified signal
  • 1 total mentions across 1 day

Deep dive

Activity timeline1 mentions / 1d
00111Mentions · 2026-03-16: 1PoC Mentioned / Linked · 2026-03-16: 1Exploit Tool / Code · 2026-03-16: 1Technical Details · 2026-03-16: 103-16
Signal classification1 categories
Disclosure
1100.0%
Referenced assets1 URL
By indicator
Full discourse1 post
  • pdnuclei-bot@pdnuclei_bot
    Disclosure

    🚨 CVE-2025-6984 - high 🚨 langchain-ai langchain - XML External Entity Injection > langchain-ai/langchain 0.3.63 contains an XML External Entity (XXE) injection caused ... 👾 https://cloud.projectdiscovery.io/library/CVE-2025-6984 @pdnuclei #NucleiTemplates #cve

    Post summary

    CVE-2025-6984 is a high‑severity XXE vulnerability in langchain‑ai/langchain 0.3.63, and a Nuclei template is available to detect or exploit the flaw.

    00040181
    901 followersView on X

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