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CVE-2026-48775

LangGraph SQLite Checkpoint is an implementation of LangGraph CheckpointSaver that uses SQLite DB (both sync and async, via aiosqlite). In versions 4.1.0 and prior, the JsonPlusSerializer can reconstruct Python objects from JSON checkpoint payloads. Under conditions where someone could modify checkpoint bytes at rest in the backing store, the deserialization path could reconstruct objects beyond what the application expects, which could in turn result in code execution at checkpoint load time. T
Lifecycle PUBLISHED1 preserved revisionFact urn:baitaphish:canonical-cve-fact-revision:v2:d84e8268bedacb6cd33c18ac47dd3c848d5d27cc024b2a7039632c0bb5bc5c0d
Known exploited
Not asserted
Disputed
No
Stale source
No
Conflicts
2

Preserved source conflicts

No provider value was silently selected as the winner.

affected · 2 assertions

{"product":"langgraph","vendor":"langchain-ai","versions":[{"status":"affected","version":"< 1.2.2"}]}

  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:8401600c53bcc87136f7b50c70737036287fbedae62948e5569b12aaf5fb099d · sha256:b2b2f2ee24d5577c… · /containers/cna/affected/0

{"product":"langraph-checkpoint","vendor":"langchain-ai","versions":[{"status":"affected","version":"< 4.1.1"}]}

  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:8401600c53bcc87136f7b50c70737036287fbedae62948e5569b12aaf5fb099d · sha256:b2b2f2ee24d5577c… · /containers/cna/affected/1
cwe · 2 assertions

{"cweId":"CWE-913","description":"CWE-913: Improper Control of Dynamically-Managed Code Resources","lang":"en","type":"CWE"}

  • cve_program_cvelist_v5cwe
    urn:baitaphish:normalized-source-record:v2:8401600c53bcc87136f7b50c70737036287fbedae62948e5569b12aaf5fb099d · sha256:b2b2f2ee24d5577c… · /containers/cna/problemTypes/1/descriptions/0

{"cweId":"CWE-502","description":"CWE-502: Deserialization of Untrusted Data","lang":"en","type":"CWE"}

  • cve_program_cvelist_v5cwe
    urn:baitaphish:normalized-source-record:v2:8401600c53bcc87136f7b50c70737036287fbedae62948e5569b12aaf5fb099d · sha256:b2b2f2ee24d5577c… · /containers/cna/problemTypes/0/descriptions/0

Affected products and versions

2 source assertions
{"product":"langgraph","vendor":"langchain-ai","versions":[{"status":"affected","version":"< 1.2.2"}]}
  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:8401600c53bcc87136f7b50c70737036287fbedae62948e5569b12aaf5fb099d · sha256:b2b2f2ee24d5577c… · /containers/cna/affected/0
{"product":"langraph-checkpoint","vendor":"langchain-ai","versions":[{"status":"affected","version":"< 4.1.1"}]}
  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:8401600c53bcc87136f7b50c70737036287fbedae62948e5569b12aaf5fb099d · sha256:b2b2f2ee24d5577c… · /containers/cna/affected/1

Provider-owned CVSS observations

1 source assertion
{"metric":{"attackComplexity":"LOW","attackVector":"ADJACENT_NETWORK","availabilityImpact":"HIGH","baseScore":6.8,"baseSeverity":"MEDIUM","confidentialityImpact":"HIGH","integrityImpact":"HIGH","privilegesRequired":"HIGH","scope":"UNCHANGED","userInteraction":"NONE","vectorString":"CVSS:3.1/AV:A/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H","version":"3.1"},"metric_type":"cvssV3_1"}
  • cve_program_cvelist_v5cvss
    urn:baitaphish:normalized-source-record:v2:8401600c53bcc87136f7b50c70737036287fbedae62948e5569b12aaf5fb099d · sha256:b2b2f2ee24d5577c… · /containers/cna/metrics/0/cvssV3_1

CWE assertions

2 source assertions
{"cweId":"CWE-913","description":"CWE-913: Improper Control of Dynamically-Managed Code Resources","lang":"en","type":"CWE"}
  • cve_program_cvelist_v5cwe
    urn:baitaphish:normalized-source-record:v2:8401600c53bcc87136f7b50c70737036287fbedae62948e5569b12aaf5fb099d · sha256:b2b2f2ee24d5577c… · /containers/cna/problemTypes/1/descriptions/0
{"cweId":"CWE-502","description":"CWE-502: Deserialization of Untrusted Data","lang":"en","type":"CWE"}
  • cve_program_cvelist_v5cwe
    urn:baitaphish:normalized-source-record:v2:8401600c53bcc87136f7b50c70737036287fbedae62948e5569b12aaf5fb099d · sha256:b2b2f2ee24d5577c… · /containers/cna/problemTypes/0/descriptions/0

Source references

1 source assertion
{"name":"https://github.com/langchain-ai/langgraph/security/advisories/GHSA-fjqc-hq36-qh5p","tags":["x_refsource_CONFIRM"],"url":"https://github.com/langchain-ai/langgraph/security/advisories/GHSA-fjqc-hq36-qh5p"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:8401600c53bcc87136f7b50c70737036287fbedae62948e5569b12aaf5fb099d · sha256:b2b2f2ee24d5577c… · /containers/cna/references/0

Attribution and limitations

  • CVE Program CVEList V5: Reproduce the MITRE copyright designation and CVE license in copies. Source →

Provider severity values are preserved separately. Baitaphish does not convert them into a risk rating, infer affected products, or treat EPSS as observed exploitation.

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