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Vulnerability Database · PyPI · Package report

langgraph-checkpoint: vulnerability history, versions and safety

langgraph-checkpoint is a package in the PyPI ecosystem. Vulert records 6 vulnerabilities for it across 58 releases, from Nov 2025 to Jul 2026. Each vulnerability names the versions it affects, the fixed version to move to, and a workaround where no fix has been published.

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6 vulnerabilities recorded H1 M2 U3
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0 with no fix published

Every vulnerability has a patched version to move to.

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6 in the last 12 months

Most recent disclosure 13 Jul 2026.

See the disclosure history →
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0 malicious-package vulnerabilities

No published version shipped hostile code.

See all langgraph-checkpoint vulnerabilities

Vulert verdict on langgraph-checkpoint 4.3.0 i

Updated on 23 Oct 2026

Good news: 4.3.0, the version you would install today, has no known vulnerabilities. Older releases do — the table below lists all 6.

Package health score 80/100
  • Security Some issues to review
  • Maintenance Sustainable
  • Popularity Key ecosystem project
  • Community Active

What to do: Stay on 4.3.0 or newer. This can change: a vulnerability disclosed tomorrow can affect 4.3.0 too — Vulert watches the package and alerts you if that happens. Monitor it with Vulert →

  • Current release 4.3.0 — unaffected i
  • Vulnerabilities on record 6 over 1 year · 6 in the last year i
  • Latest disclosure 13 Jul 2026 i
  • Highest CVSS 7.4 i
  • With no published fix 0 i
  • Depended on by 4,224 packages i
  • Stars 43,641 i
  • Last release this month i
  • Licence MIT i

Version list, release dates, licence and dependants published by PyPI, refreshed 23 Oct 2026. Licence information is not legal advice.

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01 Versions

Which versions are affected

Every version Vulert tracks for langgraph-checkpoint, newest first, with the vulnerabilities recorded against each one. A version showing none has no vulnerability in the Vulert database — open it for the full picture on that release.

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Version Released Vulert vulnerabilities Licence Fix published Details
4.3.0 12 Oct 2026 none MIT — Details →
4.2.0 07 Aug 2026 none MIT — Details →
4.1.1 22 May 2026 none MIT — Details →
4.1.0 12 May 2026 M1 U1 MIT Yes Details →
4.1.0a4 04 May 2026 M1 U1 MIT Yes Details →
4.1.0a3 01 May 2026 M1 U1 MIT Yes Details →
4.1.0a2 30 Apr 2026 M1 U1 MIT Yes Details →
4.1.0a1 29 Apr 2026 M1 U1 MIT Yes Details →
4.0.3 27 Apr 2026 M1 U1 MIT Yes Details →
4.0.2 15 Apr 2026 M1 U1 MIT Yes Details →
4.0.1 27 Feb 2026 M1 U1 MIT Yes Details →
4.0.1rc3 26 Feb 2026 M1 U1 MIT Yes Details →
4.0.1rc2 26 Feb 2026 M1 U1 MIT Yes Details →
4.0.1rc1 26 Feb 2026 M1 U1 MIT Yes Details →
4.0.0 12 Jan 2026 M1 U1 MIT Yes Details →
3.0.1 04 Nov 2025 M2 U2 MIT Yes Details →
3.0.0 20 Oct 2025 M2 U2 MIT Yes Details →
2.1.2 07 Oct 2025 H1 M2 U3 MIT Yes Details →
2.1.1 17 Jul 2025 H1 M2 U3 MIT Yes Details →
2.1.0 16 Jun 2025 H1 M2 U3 MIT Yes Details →
2.0.26 15 May 2025 H1 M2 U3 MIT Yes Details →
2.0.25 26 Apr 2025 H1 M2 U3 MIT Yes Details →
2.0.24 02 Apr 2025 H1 M2 U3 MIT Yes Details →
2.0.23 25 Mar 2025 H1 M2 U3 MIT Yes Details →
2.0.22 24 Mar 2025 H1 M2 U3 MIT Yes Details →
2.0.21 17 Mar 2025 H1 M2 U3 MIT Yes Details →
2.0.20 14 Mar 2025 H1 M2 U3 MIT Yes Details →
2.0.19 12 Mar 2025 H1 M2 U3 MIT Yes Details →
2.0.18 07 Mar 2025 H1 M2 U3 MIT Yes Details →
2.0.17 06 Mar 2025 H1 M2 U3 MIT Yes Details →
2.0.16 18 Feb 2025 H1 M2 U3 MIT Yes Details →
2.0.15 15 Feb 2025 H1 M2 U3 MIT Yes Details →
2.0.14 14 Feb 2025 H1 M2 U3 MIT Yes Details →
2.0.13 13 Feb 2025 H1 M2 U3 MIT Yes Details →
2.0.12 09 Feb 2025 H1 M2 U3 MIT Yes Details →
2.0.10 15 Jan 2025 H1 M2 U3 MIT Yes Details →
2.0.9 12 Dec 2024 H1 M2 U3 MIT Yes Details →
2.0.8 03 Dec 2024 H1 M2 U3 MIT Yes Details →
2.0.7 28 Nov 2024 H1 M2 U3 MIT Yes Details →
2.0.6 26 Nov 2024 H1 M2 U3 MIT Yes Details →
2.0.5 18 Nov 2024 H1 M2 U3 MIT Yes Details →
2.0.4 14 Nov 2024 H1 M2 U3 MIT Yes Details →
2.0.3 13 Nov 2024 H1 M2 U3 MIT Yes Details →
2.0.2 24 Oct 2024 H1 M2 U3 MIT Yes Details →
2.0.1 06 Oct 2024 H1 M2 U3 MIT Yes Details →
2.0.0 01 Oct 2024 H1 M2 U3 MIT Yes Details →
1.0.14 30 Sep 2024 H1 M2 U3 MIT Yes Details →
1.0.13 30 Sep 2024 H1 M2 U3 MIT Yes Details →
1.0.12 27 Sep 2024 H1 M2 U3 MIT Yes Details →
1.0.11 23 Sep 2024 H1 M2 U3 MIT Yes Details →
1.0.10 16 Sep 2024 H1 M2 U3 MIT Yes Details →
1.0.9 05 Sep 2024 H1 M2 U3 MIT Yes Details →
1.0.8 30 Aug 2024 H1 M2 U3 MIT Yes Details →
1.0.7 30 Aug 2024 H1 M2 U3 MIT Yes Details →
1.0.6 24 Aug 2024 H1 M2 U3 MIT Yes Details →
1.0.5 23 Aug 2024 H1 M2 U3 MIT Yes Details →
1.0.4 22 Aug 2024 H1 M2 U3 MIT Yes Details →
1.0.3 15 Aug 2024 H1 M2 U3 MIT Yes Details →
1.0.2 07 Aug 2024 H1 M2 U3 MIT Yes Details →
1.0.1 07 Aug 2024 H1 M2 U3 MIT Yes Details →
1.0.0 02 Aug 2024 H1 M2 U3 MIT Yes Details →

All 61 versions Vulert tracks for this package. Severity counts are the vulnerabilities recorded against that exact release.

02 Disclosure history

How often vulnerabilities are recorded

  • 2025 1
  • 2026 5

Counted by the year Vulert recorded each vulnerability — the same date the table below shows as disclosed. 6 of the 6 were recorded in the last 12 months.

03 Vulnerabilities

Recorded vulnerabilities for langgraph-checkpoint

The 5 most severe of 6 vulnerabilities recorded for this package

Search all 6 in the database →
Vulnerability Severity Fixed version ↓ Disclosed ↓
CVE-2025-64439: LangGraph Checkpoint Remote Code Execution Vulnerability in JsonPlusSerializer 7.4 high 3.0.0 05 Nov 2025
CVE-2025-64439: langgraph-checkpoint Remote Code Execution Vulnerability in JsonPlusSerializer 7.4 high 3.0.0 07 Jul 2026
CVE-2026-48775: langgraph-checkpoint - Unsafe JSON Deserialization in Checkpoint Loading 6.8 medium 4.1.1 25 Jun 2026
CVE-2026-48775: langgraph-checkpoint - Unsafe JSON Deserialization in Checkpoint Loading 6.8 medium 4.1.1 13 Jul 2026
CVE-2026-27794: LangGraph BaseCache Deserialization Vulnerability Leading to Remote Code Execution 6.6 medium 4.0.0 25 Feb 2026

Vulnerability wrong, a fix missing, or a package we should cover? Report it and we will fix the record. Report Vulnerability Provide Feedback

Updated: 23/Oct/2026 · Vulnerabilities in our DB: 524315

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Questions

About langgraph-checkpoint

Is langgraph-checkpoint safe to use?

Vulert records 6 vulnerabilities for langgraph-checkpoint in PyPI: 0 critical, 1 high, 2 medium and 0 low, plus 3 not yet rated. Every one of them has a published fix, so the practical answer is to run a supported release and keep it patched.

What is langgraph-checkpoint's Vulert package health score?

Vulert scores langgraph-checkpoint 80/100, which reads as in good shape. The score weighs the vulnerability record (40), maintenance and release cadence (25), adoption from dependents and stars (20) and community signals such as the OpenSSF scorecard and forks (15).

Is the latest version of langgraph-checkpoint affected?

No. 4.3.0, the version you would install today, has no vulnerabilities on record against it. Earlier releases do — the version table above lists each release with what affects it.

Which version of langgraph-checkpoint should I use?

4.3.0 is the version Vulert recommends for the affected releases. The version table above lists every release with the vulnerabilities recorded against it, so you can confirm the range you actually run.

How many vulnerabilities does langgraph-checkpoint have?

6 vulnerabilities are recorded for langgraph-checkpoint in the PyPI ecosystem: 0 critical, 1 high, 2 medium and 0 low, plus 3 not yet rated. The ledger on this page lists the same counts next to the date of the most recent disclosure.

How often are new langgraph-checkpoint vulnerabilities disclosed?

6 vulnerabilities were recorded for langgraph-checkpoint in the last 12 months, and the oldest entry in this database dates to 05 Nov 2025. Recency matters more than a lifetime total: it shows how actively new issues are being disclosed for the package you are considering.

Which versions of langgraph-checkpoint are affected?

Each vulnerability on this page lists the affected version range and the fixed version to move to. Open the vulnerability for the version you actually run — fixes are specific to a release line, not to the package as a whole.

How do I monitor langgraph-checkpoint for upcoming vulnerabilities?

Upload the manifest or SBOM for your application at vulert.com/scanner and Vulert keeps checking the langgraph-checkpoint version you actually run against new disclosures, then alerts you when one affects it. There is no installation and no source-code access required.