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CVE-2026-81101: Exposure of Sensitive Information to an Unauthorized Actor in Airtable airtable-mcp-cli

0
Medium
VulnerabilityCVE-2026-81101cvecve-2026-81101
Published: 08/27/2026 (08/27/2026, 14:50:40 UTC)
Source: CVE Database V5
Vendor/Project: Airtable
Product: airtable-mcp-cli

Description

The configure command accepted any endpoint URL and stored it beside the user's access token. ConfigureCommand.execute in src/cli.ts persisted the value given to its endpoint option into the user profile without passing it through createSafeUrl in src/config.ts, the helper that already restricted the environment-variable form of the same setting to the vendor's own hosts over HTTPS. Because the connect path in src/mcp.ts attaches the stored token as a bearer credential on every request to the configured endpoint, a user who was persuaded to run configure with an endpoint of the attacker's choosing sent their personal access token to that destination on each subsequent invocation. Version 0.2.5 applies the same helper to the option.

CVSS v4.0

Score 6.9medium

Attack Vector
Network
Attack Complexity
Low
Attack Requirements
None
Privileges Required
None
User Interaction
Active
Vuln. Confidentiality
High
Vuln. Integrity
None
Vuln. Availability
None
Subsq. Confidentiality
None
Subsq. Integrity
None
Subsq. Availability
None
CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:A/VC:H/VI:N/VA:N/SC:N/SI:N/SA:N

Affected software

GitHub Actionsmore threats →cve
airtable-mcp-cli
pkg:github/airtable-mcp-cli
Affected versions
<0.2.5

Run on your own infrastructure? Check whether these packages are installed with threat-finder — our free open-source scanner.

Technical Details

Data Version
5.2
Assigner Short Name
VulnCheck
Date Reserved
2026-08-26T16:00:34.121Z
Cvss Version
4.0
State
PUBLISHED
Remediation Level
null

Threat ID: 6a906bb2acd9273b4983a184

Added to database: 08/27/2026, 16:54:10 UTC

Last updated: 08/28/2026, 00:59:17 UTC

Views: 9

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