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CVE-2026-58166: ChatDev 0 through 2.2.0
CVE-2026-58166. CVSS 3.1 base score 9.1 (CRITICAL, Vendor/CNA). EPSS 0.00854 (percentile 0.58022), scored 25-Oct-2026.
Affected technology
ChatDev · 0 through 2.2.0
OpenBMB
Description’s affected range: through 2.2.0, fixed in commit 4fd4da6,
Component: Not specified by the source
File: upload
Attack conditions (Vendor/CNA, CVSS 4.0): Network (remote) · No privileges required · No user interaction required
What an attacker can do
Unauthenticated remote attackers can write or delete arbitrary files by supplying a malicious multipart filename in the file upload endpoint. Vendor/CNA’s CVSS 4.0 assessment (base score 8.8/10) rates confidentiality impact as none; integrity and availability impact as high.
- CWE
- CWE-22
- CCR priority
- 36.6 /100 (P4)
- CVSS 3.1
- 9.1 /10 · CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:H · Vendor/CNA
- EPSS
- 0.00854 · percentile 0.58022 · 2026-10-25
- KEV
- no
Provenance
- NVD CVE API 2.0 · Source record · observed 2026-10-25 21:44:36.062275+00:00 UTC
Stable permalink: https://cybercodered.org/item/cve-cve-2026-58166.html