Is nlohmann_json safe to use?

nlohmann_json has no known vulnerabilities on the latest version (3.12.0). DepScope rates its health at 64/100 (moderate risk).

What is the latest version of nlohmann_json?

The latest version of nlohmann_json is 3.12.0, released 2026-01-17.

No known vulnerabilities on the latest version of nlohmann_json.

No, nlohmann_json is actively maintained. Latest release: 3.12.0 (2026-01-17).

DepScope has no curated alternatives for nlohmann_json at this time.

nlohmann_json is licensed under MIT.

condav3.12.0

JSON for Modern C++

License MITpermissive23 versions1 maintainers0 deps39,635 weekly dl

/ 100

Health

safe to use

[email protected] is safe to use (health: 64/100)

Health breakdown0 – 100

15/25

maintenance

10/20

popularity

25/25

security

12/15

maturity

2/15

community

Vulnerabilities

none known

Maintainer trust

Active maintainers (3m)

3

Contributors (12m)

13

Primary author dominance

74%

GitHub stars

49,496

API access

Get this data programmatically — free, no authentication.

curl https://depscope.dev/api/check/conda/nlohmann_json

First published · 2020-08-03 07:23:48.755000+00:00

Last updated · 2026-01-17 17:36:14.715000+00:00