[UPDATE] [high] LangChain: Vulnerability allows file manipulation and information disclosure
A remote, anonymous attacker can exploit a vulnerability in LangChain to manipulate files and disclose information.
CSIRTS triage
- What
- A vulnerability allows file manipulation and information disclosure.
- Who is affected
- Remote, anonymous attackers targeting LangChain.
- Urgency
- High urgency due to the potential for significant data exposure.
- Action
- Implement available patches to secure the application.
AI-assisted analysis generated from the source advisory — verify against the original.
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Details
Original advisory: https://wid.cert-bund.de/portal/wid/securityadvisory?name=WID-SEC-2026-1447
Exploitation outlook
EPSS (FIRST.org) estimates each CVE’s probability of exploitation in the next 30 days — here is the CSIRTS.com read on those numbers.
- Low exploitation riskCVE-2026-448430.41% 30-day exploitation probability — currently an unlikely target, but scores change as exploit code circulates. Riskier than 33% of all scored CVEs.
Referenced CVEs
| CVE | CSIRTS overview | External |
|---|---|---|
| CVE-2026-44843 | coverage & exploitation status | NVD · CVE.org |
Recent advisories for LangChain
A cluster of recent advisories against the same product widens the attack surface — attackers routinely chain freshly published CVEs on one product, so review these together.
- medium[UPDATE] [medium] LangChain: Vulnerability allows information disclosurecert-bund · 2026-07-10
- lowCVE-2026-14742: A vulnerability was determined in langchain-ai langgraph up to 1.2.4. The affected element is …nvd · 2026-07-05
- mediumGHSA-gr75-jv2w-4656: LangChain: Path traversal and sandbox escape in LangChain file-search middleware and load…ghsa · 2026-06-16
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- medium[UPDATE] [medium] Linux Kernel (ntfs3): Vulnerability allows information disclosure2026-07-31