IBM ContextForge MCP Gateway is affected by a denial-of-service via tool name collision through slug normalization
- Exploited
- No known exploitation
- Fix
- Fix or patch referenced
- Who is exposed
- Not reported
Do first: Apply the patch listed under Evidence.
- Published
- Last modified
- A 0-100 score for how much a CVE matters across the industry: exploitation, exposure, how widely the software is used, severity and whether a fix exists.What do these mean? →
- 10/100 · provisional
- Whether working attack code is public (Exploit-DB, Metasploit, Nuclei or GitHub). Public code makes attacks easier.What do these mean? →
- None on Exploit-DB, Metasploit or GitHub
Summary
IBM ContextForge MCP Gateway is affected by a flaw in how it normalizes tool names (slugs), which can cause different tools to collide under the same name. An attacker can reach it remotely with low-privilege login credentials and use it to cause a denial of service.
Written by anthropic/claude-haiku-5.5 from the sources below. Verify against them.
Read the original description
IBM ContextForge MCP Gateway 1.0.0 through 1.0.11 could allow a remote authenticated attacker to cause a denial of service due to improper slug normalization causing tool name collisions.
cve.now Index
- Exploitation?/40Unknown. No CISA SSVC exploitation rating yet
- Exposure3/25Reachable over the network · Unknown: No advisory context yet
- Reach?/20Unknown. No tracked technology or package matched
- Severity6.5/10CVSS 6.5
- No patch0/5No signal
What would change the score
- Would score about 65 if added to CISA KEV
- Would score about 60 if CISA's SSVC rates exploitation active
- Would score about 29 if advisories confirm default setups are exposed
What to do
Apply the patch listed under Evidence.
Timeline
- CVE published
- First seen by cve.now
Affected versions
- IBM ContextForge MCP Gateway
From 1.0.0 · through 1.0.11
Evidence 1
- Patch
Corrections
None so far.
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Questions about CVE-2026-18484
Is CVE-2026-18484 being exploited?
It is not in CISA's Known Exploited Vulnerabilities catalog, and CISA's SSVC assessment does not mark exploitation as active. That does not mean it has not been attacked: vendors and researchers can report attacks before CISA lists them. No public exploit code is tracked.Source: cve.now feed data
Which versions are affected by CVE-2026-18484?
ContextForge MCP Gateway: from 1.0.0 through 1.0.11.Source: cve.now feed data