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No exploitation reportedAwaiting NVD analysis

CVE-2026-110278

IBM ContextForge MCP Gateway is affected by an information exposure vulnerability

No exploitation reported by the sources we read.

  • Published2026-11-13
  • WeaknessCWE-294

Am I affected?

With a domain, we read the version its public headers and pages expose. A distribution build can carry the fix under an older number.

Description

IBM ContextForge MCP Gateway 1.0.0 through 1.1.0 could allow an attacker to replay identity propagation claims signatures or expose sensitive user identity information to third-party MCP servers due to static signature payloads and missing per-gateway configuration checks during tool invocation.

Timeline

dates in UTC
  1. 2026-11-1321:43CVE publishedCNA

Versions per branch

Products declared by the CNA

As ibm, the CNA that assigned this CVE, declared them in the CVE record; versions as written. NVD lists no product for this CVE yet: this is the only product data so far.

  • IBM ContextForge MCP Gateway
    Affected
    • ≥ 1.0.0, ≤ 1.1.0no fix statedsemver

Source: the CNA record (CVE Program), © The MITRE Corporation,CVE Terms of UseCVE recordupdated 2026-11-13

Neither OSV.dev nor the vendor advisories we read list affected versions for CVE-2026-110278 yet.

Full record on NVD

Fix

No fix published by the sources we read yet. NVD record

Detection

Nuclei template
none so far
ProjectDiscovery
Exploit-DB
no entry
Exploit-DB
Metasploit modules
none listed
Metasploit Framework

Sources

  • CNACVSS 3.17.42026-11-13
  • NVDCVSS 3.17.4read 2026-11-13
  • CNAweakness (CWE)CWE-2942026-11-13
  • NVDweakness (CWE)CWE-294read 2026-11-13

Identifiers

Technical details

CVSS v3 Vector
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:N
Published
2026-11-13
Last Modified
2026-11-13
NVD status
Awaiting Analysis

Frequently asked questions

What is CVE-2026-110278?

IBM ContextForge MCP Gateway 1.0.0 through 1.1.0 could allow an attacker to replay identity propagation claims signatures or expose sensitive user identity information to third-party MCP servers due to static signature payloads and missing per-gateway configuration checks during tool invocation.

Is CVE-2026-110278 actively exploited?

Active exploitation of CVE-2026-110278 has not been confirmed.

What is the CVSS score for CVE-2026-110278?

CVE-2026-110278 has a CVSS v3 base score of 7.4 (HIGH severity), with vector string CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:N.

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