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CVE-2026-48776

LangGraph Python SDK is used to connect to running LangGraph API servers, manage assistants, threads and stream runs from Python applications. Versions 0.3.14 and prior have unsafe URL path construction through unsanitized caller-supplied identifier values used in HTTP request paths for resource operations. Without sanitization of those values, identifiers that contain characters with special meaning in URL paths could cause the resulting request to address a different resource (and potentially
Lifecycle PUBLISHED1 preserved revisionFact urn:baitaphish:canonical-cve-fact-revision:v2:41d95afd8cac5ca5d1cef94651a3a5575b4e64ba05817cc5779c3569eae484e1
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":"langchain-sdk","vendor":"langchain-ai","versions":[{"status":"affected","version":"< 0.3.15"}]}

  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:847f89dbe27f8dc447aa3421cfc4642e8945f0969eb2574e78f26fc0034b289c · sha256:2ce88570fa8858bb… · /containers/cna/affected/1

{"product":"langchain-ai","vendor":"langchain-ai","versions":[{"status":"affected","version":"< 1.2.1"}]}

  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:847f89dbe27f8dc447aa3421cfc4642e8945f0969eb2574e78f26fc0034b289c · sha256:2ce88570fa8858bb… · /containers/cna/affected/0
cwe · 2 assertions

{"cweId":"CWE-22","description":"CWE-22: Improper Limitation of a Pathname to a Restricted Directory ('Path Traversal')","lang":"en","type":"CWE"}

  • cve_program_cvelist_v5cwe
    urn:baitaphish:normalized-source-record:v2:847f89dbe27f8dc447aa3421cfc4642e8945f0969eb2574e78f26fc0034b289c · sha256:2ce88570fa8858bb… · /containers/cna/problemTypes/0/descriptions/0

{"cweId":"CWE-863","description":"CWE-863: Incorrect Authorization","lang":"en","type":"CWE"}

  • cve_program_cvelist_v5cwe
    urn:baitaphish:normalized-source-record:v2:847f89dbe27f8dc447aa3421cfc4642e8945f0969eb2574e78f26fc0034b289c · sha256:2ce88570fa8858bb… · /containers/cna/problemTypes/1/descriptions/0

Affected products and versions

2 source assertions
{"product":"langchain-sdk","vendor":"langchain-ai","versions":[{"status":"affected","version":"< 0.3.15"}]}
  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:847f89dbe27f8dc447aa3421cfc4642e8945f0969eb2574e78f26fc0034b289c · sha256:2ce88570fa8858bb… · /containers/cna/affected/1
{"product":"langchain-ai","vendor":"langchain-ai","versions":[{"status":"affected","version":"< 1.2.1"}]}
  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:847f89dbe27f8dc447aa3421cfc4642e8945f0969eb2574e78f26fc0034b289c · sha256:2ce88570fa8858bb… · /containers/cna/affected/0

Provider-owned CVSS observations

1 source assertion
{"metric":{"attackComplexity":"HIGH","attackVector":"NETWORK","availabilityImpact":"NONE","baseScore":4.2,"baseSeverity":"MEDIUM","confidentialityImpact":"LOW","integrityImpact":"LOW","privilegesRequired":"LOW","scope":"UNCHANGED","userInteraction":"NONE","vectorString":"CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:L/I:L/A:N","version":"3.1"},"metric_type":"cvssV3_1"}
  • cve_program_cvelist_v5cvss
    urn:baitaphish:normalized-source-record:v2:847f89dbe27f8dc447aa3421cfc4642e8945f0969eb2574e78f26fc0034b289c · sha256:2ce88570fa8858bb… · /containers/cna/metrics/0/cvssV3_1

CWE assertions

2 source assertions
{"cweId":"CWE-22","description":"CWE-22: Improper Limitation of a Pathname to a Restricted Directory ('Path Traversal')","lang":"en","type":"CWE"}
  • cve_program_cvelist_v5cwe
    urn:baitaphish:normalized-source-record:v2:847f89dbe27f8dc447aa3421cfc4642e8945f0969eb2574e78f26fc0034b289c · sha256:2ce88570fa8858bb… · /containers/cna/problemTypes/0/descriptions/0
{"cweId":"CWE-863","description":"CWE-863: Incorrect Authorization","lang":"en","type":"CWE"}
  • cve_program_cvelist_v5cwe
    urn:baitaphish:normalized-source-record:v2:847f89dbe27f8dc447aa3421cfc4642e8945f0969eb2574e78f26fc0034b289c · sha256:2ce88570fa8858bb… · /containers/cna/problemTypes/1/descriptions/0

Source references

2 source assertions
{"name":"https://github.com/langchain-ai/langgraph/releases/tag/sdk%3D%3D0.3.15","tags":["x_refsource_MISC"],"url":"https://github.com/langchain-ai/langgraph/releases/tag/sdk%3D%3D0.3.15"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:847f89dbe27f8dc447aa3421cfc4642e8945f0969eb2574e78f26fc0034b289c · sha256:2ce88570fa8858bb… · /containers/cna/references/1
{"name":"https://github.com/langchain-ai/langgraph/security/advisories/GHSA-w39p-vh2g-g8g5","tags":["x_refsource_CONFIRM"],"url":"https://github.com/langchain-ai/langgraph/security/advisories/GHSA-w39p-vh2g-g8g5"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:847f89dbe27f8dc447aa3421cfc4642e8945f0969eb2574e78f26fc0034b289c · sha256:2ce88570fa8858bb… · /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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