Description
mcp-from-openapi from 2.5.0 before 2.9.0 contains a credential exposure vulnerability that allows attackers to capture Authorization and Cookie headers because safeFetch() forwards them on cross-origin redirects. Attackers controlling a spec host or abusing an open redirect can redirect fromURL() spec requests to their own origin to steal bearer tokens or cookies.
Published: 2026-10-23
Score: 6.3 Medium
EPSS: < 1% Very Low
KEV: No
AI Analysis

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Remediation

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Tracking

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Advisories

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History

Wed, 04 Nov 2026 21:30:00 +0000

Type Values Removed Values Added
Metrics ssvc

{'options': {'Automatable': 'no', 'Exploitation': 'poc', 'Technical Impact': 'partial'}, 'version': '2.0.3'}

Fri, 23 Oct 2026 13:15:00 +0000

Type Values Removed Values Added
Description mcp-from-openapi from 2.5.0 before 2.9.0 contains a credential exposure vulnerability that allows attackers to capture Authorization and Cookie headers because safeFetch() forwards them on cross-origin redirects. Attackers controlling a spec host or abusing an open redirect can redirect fromURL() spec requests to their own origin to steal bearer tokens or cookies.
Title mcp-from-openapi from 2.5.0 before 2.9.0 Credential Leak via Cross-Origin Redirects
First Time appeared Frontmcp
Frontmcp mcp-from-openapi
Weaknesses CWE-522
CPEs cpe:2.3:a:frontmcp:mcp-from-openapi:*:*:*:*:*:*:*:*
Vendors & Products Frontmcp
Frontmcp mcp-from-openapi
References
Metrics cvssV3_1

{'score': 3.7, 'vector': 'CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:N/A:N'}

cvssV4_0

{'score': 6.3, 'vector': 'CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:N/VC:L/VI:N/VA:N/SC:N/SI:N/SA:N'}

Subscriptions

Frontmcp Mcp-from-openapi
cve-icon MITRE

Status: PUBLISHED

Assigner: VulnCheck

Published:

Updated: 2026-11-04T20:36:16.897Z

Reserved: 2026-10-23T12:59:06.316Z

Link: CVE-2026-115750

cve-icon Vulnrichment

Updated: 2026-11-04T20:34:49.394Z

cve-icon NVD

Status : Deferred

Published: 2026-10-23T13:17:09.183

Modified: 2026-11-04T21:17:51.960

Link: CVE-2026-115750

cve-icon Redhat

No data.

cve-icon OpenCVE Enrichment

Updated: 2026-10-23T16:15:17Z

Weaknesses