CVE-2025-64439
HighAdvisory
Published 5 Nov 2025In the index since 8 Sept 2026
- Severity
- High
- worst across findings
- CVSS
- 7.4
- base score, highest
- EPSS
- 0.009
- 57th percentile
- CISA KEV
- Not listed
- no confirmed exploitation
- Charts affected
- 1
- of 17,781 indexed, latest versions
- Container images
- 1
- deployed by those charts
- Fix available
- 1 of 1
- affected package
LangGraph Checkpoint affected by RCE in "json" mode of JsonPlusSerializer
Carried by container images the latest versions of 1 of 17,781 indexed charts deploy, on 1 image.
| Affected package | Affected versions | Fixed in | Images |
|---|---|---|---|
| langgraph-checkpointpypi | 2.1.0 | 3.0.0 | 1 |
- OSV records
- GHSA-wwqv-p2pp-99h5
- Also known as
- PYSEC-2026-1527
Charts affected
1 by stars
Container images carrying it
1 by charts deploying them
A fixed version is listed for 1 of the 1 affected package.
| Container image | Digest | Package | Fixed in | Used by |
|---|---|---|---|---|
| opencsghq/ | 2f03fead54db | langgraph-checkpoint | 3.0.0 | 1 |