Vulnerability Details CVE-2026-28277
LangGraph SQLite Checkpoint is an implementation of LangGraph CheckpointSaver that uses SQLite DB (both sync and async, via aiosqlite). In version 1.0.9 and prior, LangGraph checkpointers can load msgpack-encoded checkpoints that reconstruct Python objects during deserialization. If an attacker can modify checkpoint data in the backing store (for example, after a database compromise or other privileged write access to the persistence layer), they can potentially supply a crafted payload that triggers unsafe object reconstruction when the checkpoint is loaded. No known patch is public.
Exploit prediction scoring system (EPSS) score
EPSS Score 0.0
EPSS Ranking 10.6%
CVSS Severity
CVSS v3 Score 6.8
Products affected by CVE-2026-28277
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cpe:2.3:a:langchain:langgraph:0.1.10
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cpe:2.3:a:langchain:langgraph:0.1.11
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cpe:2.3:a:langchain:langgraph:0.1.12
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cpe:2.3:a:langchain:langgraph:0.1.13
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cpe:2.3:a:langchain:langgraph:0.1.14
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cpe:2.3:a:langchain:langgraph:0.1.15
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cpe:2.3:a:langchain:langgraph:0.1.16
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cpe:2.3:a:langchain:langgraph:0.1.17
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cpe:2.3:a:langchain:langgraph:0.1.2
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cpe:2.3:a:langchain:langgraph:0.1.3
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cpe:2.3:a:langchain:langgraph:0.1.4
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cpe:2.3:a:langchain:langgraph:0.1.5
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cpe:2.3:a:langchain:langgraph:0.1.6
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cpe:2.3:a:langchain:langgraph:0.1.7
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cpe:2.3:a:langchain:langgraph:0.1.8
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cpe:2.3:a:langchain:langgraph:0.1.9
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cpe:2.3:a:langchain:langgraph:0.2.0
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cpe:2.3:a:langchain:langgraph:0.2.1
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cpe:2.3:a:langchain:langgraph:0.2.10
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cpe:2.3:a:langchain:langgraph:0.2.11
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cpe:2.3:a:langchain:langgraph:0.2.12
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cpe:2.3:a:langchain:langgraph:0.2.13
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cpe:2.3:a:langchain:langgraph:0.2.15
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cpe:2.3:a:langchain:langgraph:0.2.16
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cpe:2.3:a:langchain:langgraph:0.2.17
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cpe:2.3:a:langchain:langgraph:0.2.18
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cpe:2.3:a:langchain:langgraph:0.2.19
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cpe:2.3:a:langchain:langgraph:0.2.2
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cpe:2.3:a:langchain:langgraph:0.2.20
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cpe:2.3:a:langchain:langgraph:0.2.21
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cpe:2.3:a:langchain:langgraph:0.2.22
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cpe:2.3:a:langchain:langgraph:0.2.23
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cpe:2.3:a:langchain:langgraph:0.2.24
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cpe:2.3:a:langchain:langgraph:0.2.25
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cpe:2.3:a:langchain:langgraph:0.2.26
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cpe:2.3:a:langchain:langgraph:0.2.27
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cpe:2.3:a:langchain:langgraph:0.2.28
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cpe:2.3:a:langchain:langgraph:0.2.29
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cpe:2.3:a:langchain:langgraph:0.2.3
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cpe:2.3:a:langchain:langgraph:0.2.30
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cpe:2.3:a:langchain:langgraph:0.2.31
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cpe:2.3:a:langchain:langgraph:0.2.32
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cpe:2.3:a:langchain:langgraph:0.2.33
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cpe:2.3:a:langchain:langgraph:0.2.34
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cpe:2.3:a:langchain:langgraph:0.2.35
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cpe:2.3:a:langchain:langgraph:0.2.36
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cpe:2.3:a:langchain:langgraph:0.2.37
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cpe:2.3:a:langchain:langgraph:0.2.38
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cpe:2.3:a:langchain:langgraph:0.2.39
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cpe:2.3:a:langchain:langgraph:0.2.4
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cpe:2.3:a:langchain:langgraph:0.2.40
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cpe:2.3:a:langchain:langgraph:0.2.41
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cpe:2.3:a:langchain:langgraph:0.2.42
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cpe:2.3:a:langchain:langgraph:0.2.43
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cpe:2.3:a:langchain:langgraph:0.2.44
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cpe:2.3:a:langchain:langgraph:0.2.45
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cpe:2.3:a:langchain:langgraph:0.2.46
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cpe:2.3:a:langchain:langgraph:0.2.47
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cpe:2.3:a:langchain:langgraph:0.2.48
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cpe:2.3:a:langchain:langgraph:0.2.49
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cpe:2.3:a:langchain:langgraph:0.2.5
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cpe:2.3:a:langchain:langgraph:0.2.50
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cpe:2.3:a:langchain:langgraph:0.2.51
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cpe:2.3:a:langchain:langgraph:0.2.52
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cpe:2.3:a:langchain:langgraph:0.2.53
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cpe:2.3:a:langchain:langgraph:0.2.54
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cpe:2.3:a:langchain:langgraph:0.2.55
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cpe:2.3:a:langchain:langgraph:0.2.56
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cpe:2.3:a:langchain:langgraph:0.2.57
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cpe:2.3:a:langchain:langgraph:0.2.58
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cpe:2.3:a:langchain:langgraph:0.2.59
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cpe:2.3:a:langchain:langgraph:0.2.6
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cpe:2.3:a:langchain:langgraph:0.2.60
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cpe:2.3:a:langchain:langgraph:0.2.61
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cpe:2.3:a:langchain:langgraph:0.2.62
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cpe:2.3:a:langchain:langgraph:0.2.63
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cpe:2.3:a:langchain:langgraph:0.2.64
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cpe:2.3:a:langchain:langgraph:0.2.65
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cpe:2.3:a:langchain:langgraph:0.2.66
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cpe:2.3:a:langchain:langgraph:0.2.67
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cpe:2.3:a:langchain:langgraph:0.2.68
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cpe:2.3:a:langchain:langgraph:0.2.69
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cpe:2.3:a:langchain:langgraph:0.2.7
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cpe:2.3:a:langchain:langgraph:0.2.70
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cpe:2.3:a:langchain:langgraph:0.2.71
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cpe:2.3:a:langchain:langgraph:0.2.72
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cpe:2.3:a:langchain:langgraph:0.2.73
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cpe:2.3:a:langchain:langgraph:0.2.74
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cpe:2.3:a:langchain:langgraph:0.2.75
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cpe:2.3:a:langchain:langgraph:0.2.76
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cpe:2.3:a:langchain:langgraph:0.2.9
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cpe:2.3:a:langchain:langgraph:0.3.0
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cpe:2.3:a:langchain:langgraph:0.3.1
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cpe:2.3:a:langchain:langgraph:0.3.10
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cpe:2.3:a:langchain:langgraph:0.3.11
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cpe:2.3:a:langchain:langgraph:0.3.12
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cpe:2.3:a:langchain:langgraph:0.3.13
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cpe:2.3:a:langchain:langgraph:0.3.14
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cpe:2.3:a:langchain:langgraph:0.3.15
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cpe:2.3:a:langchain:langgraph:0.3.16
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cpe:2.3:a:langchain:langgraph:0.3.17
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cpe:2.3:a:langchain:langgraph:0.3.18
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cpe:2.3:a:langchain:langgraph:0.3.19
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cpe:2.3:a:langchain:langgraph:0.3.2
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cpe:2.3:a:langchain:langgraph:0.3.20
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cpe:2.3:a:langchain:langgraph:0.3.21
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cpe:2.3:a:langchain:langgraph:0.3.22
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cpe:2.3:a:langchain:langgraph:0.3.23
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cpe:2.3:a:langchain:langgraph:0.3.24
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cpe:2.3:a:langchain:langgraph:0.3.25
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cpe:2.3:a:langchain:langgraph:0.3.26
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cpe:2.3:a:langchain:langgraph:0.3.27
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cpe:2.3:a:langchain:langgraph:0.3.28
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cpe:2.3:a:langchain:langgraph:0.3.29
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cpe:2.3:a:langchain:langgraph:0.3.3
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cpe:2.3:a:langchain:langgraph:0.3.30
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cpe:2.3:a:langchain:langgraph:0.3.31
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cpe:2.3:a:langchain:langgraph:0.3.32
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cpe:2.3:a:langchain:langgraph:0.3.34
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cpe:2.3:a:langchain:langgraph:0.3.4
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cpe:2.3:a:langchain:langgraph:0.3.5
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cpe:2.3:a:langchain:langgraph:0.3.6
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cpe:2.3:a:langchain:langgraph:0.3.7
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cpe:2.3:a:langchain:langgraph:0.3.8
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cpe:2.3:a:langchain:langgraph:0.4.0
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cpe:2.3:a:langchain:langgraph:0.4.1
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cpe:2.3:a:langchain:langgraph:0.4.10
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cpe:2.3:a:langchain:langgraph:0.4.2
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cpe:2.3:a:langchain:langgraph:0.4.3
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cpe:2.3:a:langchain:langgraph:0.4.4
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cpe:2.3:a:langchain:langgraph:0.4.5
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cpe:2.3:a:langchain:langgraph:0.4.6
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cpe:2.3:a:langchain:langgraph:0.4.7
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cpe:2.3:a:langchain:langgraph:0.4.8
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cpe:2.3:a:langchain:langgraph:0.4.9
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cpe:2.3:a:langchain:langgraph:0.5.0
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cpe:2.3:a:langchain:langgraph:0.5.1
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cpe:2.3:a:langchain:langgraph:0.5.2
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cpe:2.3:a:langchain:langgraph:0.5.3
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cpe:2.3:a:langchain:langgraph:0.5.4
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cpe:2.3:a:langchain:langgraph:0.6.0
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cpe:2.3:a:langchain:langgraph:0.6.1
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cpe:2.3:a:langchain:langgraph:0.6.10
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cpe:2.3:a:langchain:langgraph:0.6.11
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cpe:2.3:a:langchain:langgraph:0.6.2
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cpe:2.3:a:langchain:langgraph:0.6.3
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cpe:2.3:a:langchain:langgraph:0.6.4
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cpe:2.3:a:langchain:langgraph:0.6.5
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cpe:2.3:a:langchain:langgraph:0.6.6
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cpe:2.3:a:langchain:langgraph:0.6.7
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cpe:2.3:a:langchain:langgraph:0.6.8
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cpe:2.3:a:langchain:langgraph:0.6.9
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cpe:2.3:a:langchain:langgraph:1.0.0
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cpe:2.3:a:langchain:langgraph:1.0.1
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cpe:2.3:a:langchain:langgraph:1.0.2
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cpe:2.3:a:langchain:langgraph:1.0.3
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cpe:2.3:a:langchain:langgraph:1.0.4
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cpe:2.3:a:langchain:langgraph:1.0.5
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cpe:2.3:a:langchain:langgraph:1.0.6
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cpe:2.3:a:langchain:langgraph:1.0.7
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cpe:2.3:a:langchain:langgraph:1.0.8
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cpe:2.3:a:langchain:langgraph:1.0.9