CVE-2025-6855HIGH 8.8EPSS p41.7%

CVE-2025-6855CVE-2025-6855

Description

A vulnerability, which was classified as critical, has been found in chatchat-space Langchain-Chatchat up to 0.3.1. This issue affects some unknown processing of the file /v1/file. The manipulation of the argument flag leads to path traversal. The exploit has been disclosed to the public and may be used.

Scoring

CVSS 3.18.8 (HIGH)
VectorCVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
EPSS0.55% probability of exploitation · percentile 41.7% · 2026-06-19T12:03:05Z
Published2025-06-29
Last modified2026-04-29

Underlying weaknesses· 1

CWE-22

References

  1. https://github.com/chatchat-space/Langchain-Chatchat/issues/5354
  2. https://vuldb.com/?ctiid.314327
  3. https://vuldb.com/?id.314327
  4. https://vuldb.com/?submit.601162

1

TypeTargetConfidenceTier
WeaknessImproper Limitation of a Pathname to a Restricted Directory ('Path Traversal')cwe-220%live

Related by meaning· 6

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Sourced from NVD + FIRST.org EPSS. Curated for EU compliance use cases by Adam Lundqvist, Founder at SQUR.