Vulnerability in Chatchat-space Langchain-chatchat
CVE-2026-7845
A flaw has been found in chatchat-space Langchain-Chatchat up to 0.3.1.3. This issue affects the function PIL.Image.tobytes of the file libs/chatchat-server/chatchat/webui_pages/dialogue/dialogue.py of the component Vision Chat Paste Image…
Vulnerability class: POODLE (CVE-2014-3566)
EPSS: 0.000 (2.8th percentile) — read the EPSS interpretation.
CVSS v3 metric
CVSS v3 base score 2.6 (Low). Vector: CVSS:3.1/AV:A/AC:H/PR:L/UI:N/S:U/C:N/I:L/A:N.
Affected products
- Chatchat-space Langchain-chatchat — versions 0.3.1.0, 0.3.1.1, 0.3.1.2
Weakness classification (CWE)
References
- cna@vuldb.com (exploit)
- cna@vuldb.com (product)
- cna@vuldb.com (issue-tracking)
- Submit #807794 | chatchat-space Langchain-Chatchat 0.3.1.3 Weak Hash / CWE-328 (third-party-advisory)
- VDB-361124 | chatchat-space Langchain-Chatchat Vision Chat Paste Image dialogue.py PIL.Image.tobytes weak hash (technical-description, vdb-entry)
- VDB-361124 | CTI Indicators (IOB, IOC, TTP, IOA) (signature, permissions-required)
Frequently asked questions
- What is CVE-2026-7845?
- CVE-2026-7845 is a low-severity vulnerability in Chatchat-space Langchain-chatchat, classified under Use of a Broken or Risky Cryptographic Algorithm. CVSS score: 2.6/10. Published 2026-05-05.
- How severe is CVE-2026-7845?
- Low severity. CVSS v3 base score is 2.6 out of 10.