npm · npm:@peculiar/x509

@peculiar/x509 active

@peculiar/x509 is an easy to use TypeScript/Javascript library based on @peculiar/asn1-schema that makes generating X.509 Certificates and Certificate Requests as well as validating certificate chains easy

The latest stable version of @peculiar/x509 is 3.1.0, published on 2026-10-27. Verified by Vigia on 2026-11-11.

Latest stable version	3.1.0
Published	2026-10-27 19:43:05 UTC
Install	`npm install @peculiar/x509@latest`
Requires (engines)	`{"node":"^20.19.0 \|\| >=22.12.0"}`
Peer dependencies	`@peculiar/asn1-schema ^3.0.0`
Dist-tags	`beta: 1.3.3-beta.0` `latest: 3.1.0`
License	MIT
Advisories on latest version	none known
Last verified	2026-11-11 20:38:50 UTC
Sources	api.deps.dev, registry.npmjs.org, registry.npmjs.org

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Maintenance

Activity	active
Last stable release	2026-10-27 19:43:05 UTC · 16 days ago
Stable releases in the last 12 months	8
Published versions	61

Heuristic based only on release dates; it does not measure issue or security response times.

Version history

Version	Published
`3.1.0`	2026-10-27 19:43:05 UTC
`3.0.0`	2026-10-27 14:45:43 UTC
`2.2.0`	2026-10-15 09:40:09 UTC
`2.1.0`	2026-09-04 10:34:27 UTC
`2.0.0`	2026-03-23 14:11:20 UTC
`1.14.3`	2026-01-12 09:34:14 UTC
`1.14.2`	2025-11-16 11:31:42 UTC
`1.14.1`	2025-11-16 11:12:36 UTC
`1.14.0`	2025-09-08 18:41:17 UTC
`1.13.0`	2025-07-09 10:54:53 UTC
`1.12.4`	2025-06-10 16:19:16 UTC
`1.12.3`	2024-10-01 22:42:57 UTC
`1.12.2`	2024-09-17 10:56:04 UTC
`1.12.1`	2024-08-13 01:14:36 UTC
`1.12.0`	2024-08-08 19:17:47 UTC
`1.11.0`	2024-06-03 19:43:44 UTC
`1.10.1`	2024-05-27 17:49:28 UTC
`1.10.0`	2024-05-21 21:49:33 UTC
`1.9.7`	2024-01-30 20:31:16 UTC
`1.9.6`	2023-12-19 10:33:49 UTC

Showing the 20 most recent of 59 versions. JSON

Version compatibility

Newest stable version that declares support for each runtime version (from the requirements published with each version).

Runtime	Newest compatible version
`node 16`	`1.14.0`
`node 18`	`1.14.0`
`node 20`	`3.1.0`
`node 22`	`3.1.0`
`node 24`	`3.1.0`

Upgrade guides for this package

2.x → 3.x

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Frequently asked questions

What is the latest version of @peculiar/x509?

The latest stable version of @peculiar/x509 is 3.1.0, published on 2026-10-27. Verified by Vigia on 2026-11-11.

How do I install the latest version of @peculiar/x509?

Run npm install @peculiar/x509@latest. The latest stable version is 3.1.0 (verified 2026-11-11).

Is @peculiar/x509 deprecated?

No. @peculiar/x509 is not marked as deprecated in the registry.

Which Node.js version does @peculiar/x509 require?

@peculiar/x509 3.1.0 declares this requirement: {"node":"^20.19.0 || >=22.12.0"}.

Does @peculiar/x509 3.1.0 have known vulnerabilities?

No known advisories affect @peculiar/x509 3.1.0 according to the data Vigia checks.

Is @peculiar/x509 still maintained?

@peculiar/x509 published 8 stable releases in the last 12 months; the most recent was 16 days ago. Activity: active.

Observed changes

ue Oct 27 2026 20:30:23 GMT+0000 (Coordinated Universal Time) — released 3.0.0 → 3.1.0
ue Oct 27 2026 16:30:20 GMT+0000 (Coordinated Universal Time) — runtime_requirement_changed
ue Oct 27 2026 16:30:20 GMT+0000 (Coordinated Universal Time) — released 2.2.0 → 3.0.0
hu Oct 15 2026 10:01:25 GMT+0000 (Coordinated Universal Time) — released 2.1.0 → 2.2.0

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