Known Vulnerability
The current version has a known security vulnerability. Review the advisory and consider upgrading.
Security Vulnerability
PYSEC-2026-2558
Langchain-Chatchat Uses a Broken or Risky Cryptographic Algorithm
Source: osv.dev · Flagged: 2 weeks ago
Security Vulnerability
PYSEC-2026-2559
Langchain-Chatchat has a Race Condition in its OpenAI-Compatible File Upload API
Source: osv.dev · Flagged: 2 weeks ago
Security Vulnerability
PYSEC-2026-2557
Langchain-Chatchat Uses Insufficiently Random Values
Source: osv.dev · Flagged: 2 weeks ago
Security Vulnerability
PYSEC-2026-1513
Langchain-Chatchat has a Path Traversal vulnerability
Source: osv.dev · Flagged: 2 weeks ago
Monthly downloads
1.0K
Weekly downloads
367
GitHub stars
-
Downloads in the 30 and 7 days to October 10, 2026. Refreshed weekly.
Package Information
Latest Version
Requires Python
!=2.7.*,!=3.0.*,!=3.1.*,!=3.12.*,!=3.2.*,!=3.3.*,!=3.4.*,!=3.5.*,!=3.6.*,!=3.7.*,>=3.8
Licence
Unknown
Last Release
2 years ago
Author
chatchat
First Release
May 6, 2024
Total Releases
23
Python Versions
3
3.9
3.10
3.11
Package Insights
Score based on PyPI data only - no linked source repository
N/A
Health Score
Not available
requires GitHub data
How the maintenance status was determined
Last release
815 days ago
Monthly downloads
1,020
Active
Activity within 30 days
Stable
Activity within 31-180 days
•
Minimal
Activity within 181-365 days, or no activity data
At Risk
No activity for > 365 days, but > 10,000 monthly downloads
Archived
Repository flagged as archived on GitHub
How the popularity category was determined
Monthly downloads
1,020
Stars
Unknown
Stars per 1k downloads
—
Industry Standard
> 10,000,000 monthly downloads
Hidden Gem
< 0.5 stars per 1k downloads and > 100,000 monthly downloads
Community Favorite
> 5 stars per 1k downloads
Rising Star
Balanced ratio of stars to downloads
•
Unknown
Fewer than 1,000 monthly downloads, or no star data
No star data — can't compute stars-to-downloads ratio.
How download momentum is calculated
Week daily avg
52
Month daily avg
34
Momentum
—
((week_daily_avg - month_daily_avg) / month_daily_avg) * 100Momentum not reported for packages with < 5,000 monthly downloads — percentages are noisy at low volume.
More insights and metrics
Python version support tiers
requires_python
!=2.7.*,!=3.0.*,!=3.1.*,!=3.12.*,!=3.2.*,!=3.3.*,!=3.4.*,!=3.5.*,!=3.6.*,!=3.7.*,>=3.8
Cutting Edge
Minimum supported version is 3.14 or newer
Modern
Minimum supported version is 3.11 to 3.13
•
Legacy
Supports 3.10 or older (or Python 2)
Unknown
No requires_python specified or unparseable
License categories
License
Not specified
Permissive
MIT, Apache, BSD, ISC, Unlicense, CC0, etc.
Copyleft
GPL, LGPL, AGPL, MPL, EPL, etc.
Proprietary
Commercial, all rights reserved, custom EULAs
•
Unknown
No license specified, or none of the above match
Package does not declare a license.
How the release cadence was determined
Last release
815 days ago
Total releases
23
Releases/year
9.4
Rapid
Last release within 365 days and > 12 releases/year
Regular
Last release within 365 days
Slow
Last release 366-730 days ago
•
Stalled
Last release > 730 days ago, or no releases
Unknown
No usable release date available
How contributor risk was determined
Contributors
Unknown
Monthly downloads
1,020
High Load
≤ 2 contributors and ≥ 50,000 monthly downloads
Moderate Load
< 10 contributors and ≥ 500,000 monthly downloads
Low Load
< 25 contributors and ≥ 5,000,000 monthly downloads, or sole maintainer with ≥ 10,000 monthly downloads
Balanced
Enough contributors for the package's popularity
•
Unknown
No contributor data available
Contributor count is missing — this usually indicates the package has no linked GitHub repository.
Engagement
0
Issue Burden
-
per 1k stars
Discussions
-
per 1k stars
Fork Ratio
-
contrib / forks
Stale Release
No
PR Velocity
-
Not all downloads include detailed metadata. Breakdowns reflect the subset that does.
Downloads by OS
Linux
3
Windows
1
Python Versions
3.10
25.0%
1
3.11
25.0%
1
3.14
25.0%
1
3.9
25.0%
1
Top Countries
1.
CN
46
CN
2.
US
7
US
3.
HK
3
HK
4.
SE
2
SE
5.
DE
1
DE
6.
MA
1
MA
7.
SG
1
SG
Weekly Downloads
GitHub Stars
Dependencies
47
- faiss-cpu <1.8.0,>=1.7.4
- fastapi <0.110.0,>=0.109.2
- httpx >=0.25.2
- jieba ==0.42.1
-
langchain
==0.1.17
python_full_version >= "3.8.1" and python_full_version != "3.9.7" and python_version < "3.12"
- langchain-community ==0.0.36
- langchain-experimental ==0.0.58
-
langchain-openai
==0.0.6
python_full_version >= "3.8.1" and python_full_version != "3.9.7" and python_version < "3.12"
- langchainhub ==0.1.14
- loguru <0.8.0,>=0.7.2
- markdownify >=0.11.6
- memoization ==0.4.0
- networkx ==3.1
- nltk <3.9.0,>=3.8.1
- numexpr >=1
- numpy <1.25.0,>=1.24.4
- opencv-python ==4.10.0.84
- openpyxl ==3.1.4
- pandas <2,>=1
- pathlib <1.1.0,>=1.0.1
- pydantic <2.8.0,>=2.7.4
- pydantic-settings ==2.3.4
- pyjwt <2.9.0,>=2.8.0
- pymupdf <1.24.0,>=1.23.16
- pymysql <2.0.0,>=1.1.0
- python-docx ==1.1.2
-
python-magic-bin
sys_platform == "win32"
- python-multipart ==0.0.9
- rank-bm25 ==0.2.2
- rapidocr-onnxruntime <1.4.0,>=1.3.8
- requests <2.32.0,>=2.31.0
- ruamel-yaml ==0.18.6
- sqlalchemy <2.1.0,>=2.0.25
- sse-starlette <1.9.0,>=1.8.2
- streamlit ==1.34.0
- streamlit-aggrid ==1.0.5
- streamlit-antd-components ==0.3.1
- streamlit-chatbox ==1.1.12.post4
- streamlit-extras ==0.4.2
- streamlit-modal ==0.1.0
- streamlit-option-menu ==0.3.12
- streamlit-paste-button ==0.1.2
- strsimpy >=0.2.1
- tqdm >=4.66.1
- unstructured <0.12.0,>=0.11.0
- uvicorn >=0.27.0.post1
- websockets >=12.0
3 optional dependencies
-
elasticsearch[extended-testing]extra == "extended-testing"
-
xinference-client<0.14.0,>=0.13.0[xinference]extra == "xinference"
-
zhipuai<3.0.0,>=2.1.0[zhipuai]extra == "zhipuai"
Used By
0
Not used by any tracked packages
Repository details
Forks
-
Issues
-
Last Commit
-
Contributors
-
Open PRs
-
Archived
-
Data and sources
Tracking Since
September 26, 2026
Data Updated
October 11, 2026
Data Freshness
Fresh