CVE-2026-110195

MEDIUM
MEDIUM Priority: 0.00 BB Relevance: 61/100
Published: 2026-11-13 Modified: 2026-11-13 First seen: 2026-11-13 Status: active

Attack Surface

Network Low Complexity No Interaction

CVSS Vector Breakdown

AV: Network
AC: Low
PR: Low
UI: None
S: Unchanged
C: Low
I: Low
A: None

Description

IBM ContextForge MCP Gateway 1.0.0 through 1.0.11 could allow an authenticated caller to bypass upstream credential-level authorization policies due to an insufficiently specific cache key in the RFC 8693 token exchange cache, enabling reuse of cached upstream bearer tokens across different credentials belonging to the same user.

Affected Software (1)

VendorProductVersion
IBM ContextForge MCP Gateway 1.0.0

References & Advisories (1)

Bug Bounty Relevance

61 / 100
✓ Network accessible
✓ Low complexity
✓ No user interaction

CVSS Score

5.4 / 10.0 v3.1
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:N

EPSS — Exploitation Probability

No EPSS data available

Intelligence Sources

mitre ref →
nvd ref →