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AI / ML CVE-2026-22218

MEDIUM
Path Traversal (CWE-22)
2026-01-20 disclosure@vulncheck.com
Path Traversal AI / ML Chainlit
6.5
CVSS 3.1 · NVD
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Severity by source

NVD PRIMARY
6.5 MEDIUM
AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N

Primary rating from NVD · only source for this CVE.

CVSS VectorNVD

CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N
Attack Vector
Network
Attack Complexity
Low
Privileges Required
Low
User Interaction
None
Scope
Unchanged
Confidentiality
High
Integrity
None
Availability
None

Lifecycle Timeline

3
Analysis Generated
Mar 12, 2026 - 21:54 vuln.today
PoC Detected
Feb 02, 2026 - 20:56 vuln.today
Public exploit code
CVE Published
Jan 20, 2026 - 00:15 nvd
MEDIUM 6.5

DescriptionCVE.org

Chainlit versions prior to 2.9.4 contain an arbitrary file read vulnerability in the /project/element update flow. An authenticated client can send a custom Element with a user-controlled path value, causing the server to copy the referenced file into the attacker’s session. The resulting element identifier (chainlitKey) can then be used to retrieve the file contents via /project/file/<chainlitKey>, allowing disclosure of any file readable by the Chainlit service.

AnalysisAI

Authenticated users in Chainlit versions before 2.9.4 can read arbitrary files accessible to the Chainlit service through a path traversal flaw in the element update endpoint. By crafting a malicious Element with a custom path, an attacker retrieves file contents via the /project/file API, enabling disclosure of sensitive data. …

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Vulnerability AssessmentAI

Risk Assessment CVSS 6.5 (MEDIUM). … Full risk analysis with EPSS, KEV, and SSVC signal comparison available after sign-in.
Exploit Scenario An attacker (requires authentication) could exploit this vulnerability to compromise the affected system.
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Within 30 days: Identify affected systems and apply vendor patches as part of regular patch cycle. …

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CVE-2026-22218 vulnerability details – vuln.today
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