CVE-2026-7846
CVE.org · Published
- Record status
- Published
- Identifier year (not publication year)
- 2026
- Source publication
- Source updated
- Imported by cveboard
- Source snapshot
- cve_2026-10-24_midnight_baseline ·
CNA source text (English)
chatchat-space Langchain-Chatchat OpenAI-Compatible File Upload API openai_routes.py files toctou
A vulnerability has been found in chatchat-space Langchain-Chatchat up to 0.3.1.3. Impacted is the function files of the file libs/chatchat-server/chatchat/server/api_server/openai_routes.py of the component OpenAI-Compatible File Upload API. Such manipulation of the argument file.filename leads to time-of-check time-of-use. Access to the local network is required for this attack to succeed. The attack requires a high level of complexity. The exploitability is considered difficult. The exploit has been disclosed to the public and may be used. The project was informed of the problem early through an issue report but has not responded yet.
Scoped product and version facts
Fix information unknown; no fixed version is derived here. Missing information does not prove that no fix exists.
Exploitation unknown; this catalogue does not assess exploitation.
Langchain-Chatchat
- Vendor
- chatchat-space
- Product
- Langchain-Chatchat
- Platforms
- Unknown
- Default status
Unknown
| Version (version) | Status (status) | Version scheme (versionType) | Exclusive end (lessThan) | Inclusive end (lessThanOrEqual) | Status changes (at → status) |
|---|---|---|---|---|---|
| 0.3.1.0 | affected | Unavailable | Unavailable | Unavailable | None listed |
| 0.3.1.1 | affected | Unavailable | Unavailable | Unavailable | None listed |
| 0.3.1.2 | affected | Unavailable | Unavailable | Unavailable | None listed |
| 0.3.1.3 | affected | Unavailable | Unavailable | Unavailable | None listed |