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01 Record

CVE-2026-118667

LangGraph: Unencoded identifiers in LangGraph SDK v3 streaming can redirect authenticated GET requests

MediumPUBLISHEDCNA: GitHub_M
CNA base score4.3 CVSS v3.xCVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N
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02 Description

LangGraph: Unencoded identifiers in LangGraph SDK v3 streaming can redirect authenticated GET requests

03 Exploitation and scoring

Exploitation
Not assessed. CISA has not published an exploitation assessment for this record, and it is not in the KEV catalog. That is an absence of assessment, not a finding of no risk.
SSVC decision
Not assessed by CISA
EPSS probability
Not scored by EPSS
EPSS percentile
Not scored by EPSS
NVD base score
4.3 (CVSS v3.x), scored by the NVD independently of the CNA.
NVD CVSS vector
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N
NVD analysis status
Received. NVD last modified this record on 2026-10-28.
Red Hat severity
No Red Hat rating. Red Hat rates the CVEs that affect its products.

Exploit-prediction scores from FIRST. Independent scoring and analysis status from the NVD. Vendor severity from Red Hat. Exploitation assessment and catalog membership from CISA.

04 Metadata

Published
2026-10-28 20:51Z12 HR AGO
Last updated
2026-10-28 20:51Z12 HR AGO
Reserved
2026-10-28
Assigning CNA
GitHub_M
Record state
PUBLISHED
Severity
Medium (CVSS 4.3)
CNA CVSS vector
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N
Weaknesses
  • CWE-22Improper Limitation of a Pathname to a Restricted Directory ('Path Traversal')Base
Data version
5.2
Document digest
d933ce666c540dd4a960d9907e33f45fd3fb1b42721c548db2fe197fc0f87d78

05 Affected products

VendorProductVersionsPlatforms
langchain-ailanggraph>= 1.2.3, < 1.2.14—
langchain-ailanggraph-sdk>= 0.4.0, < 0.4.6—

06 References