CVE-2026-18489: IBM ContextForge MCP Gateway - Translate utility <= 1.0.8 MCP Context Forge could allow a remote attacker to o

Q: How urgent is CVE-2026-18489?

Priority 40/100. High severity; Remotely exploitable, no login, no user action

This month

HIGH 7.4REMOTEUPGRADE

CVE-2026-18489 is a high-severity flaw (CVSS 7.4) affecting contextforge. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

IBM ContextForge MCP Gateway - Translate utility <= 1.0.8 MCP Context Forge could allow a remote attacker to obtain sensitive information from other sessions due to exposure of data elements to the wrong session.

Why this priority

High severity
Remotely exploitable, no login, no user action

A fixed release or distro patch exists.

Risk facts

CVSS score	7.4 (High)
Attack vector	Network (remote)
Attack complexity	High
Privileges needed	None
User interaction	None
EPSS exploit chance	0.4% (top 64%)
CISA exploited list	No
Weakness	CWE-488
Published	2026-09-04
Last modified	2026-09-15

Publisher (CNA): IBM Corporation · Vendor: ibm

Last updated 2026-09-15 · Sources: CVE Program, NVD, CISA KEV, EPSS and vendor advisories · How we score

Am I affected?

Timeline

2026-09-04 17:16 UTCPublished CVE record published
2026-09-15 15:04 UTCUpdated Record last modified

ibm contextforge UPGRADE

Affected: <= 1.0.8

Fixed in: newer than 1.0.8

Safe to downgrade to: no unaffected older release

1. Check installed version

pip show contextforge

2. UPGRADE to newer than 1.0.8

pip install --upgrade "contextforge>1.0.8"

Verify at the official source NVD · CVE Program · Report a problem with this page
Scores and fixes here are computed automatically from those and other public sources. Confirm with the vendor advisory before changing production systems.

Quick answers

How do I fix CVE-2026-18489?

contextforge: upgrade to newer than 1.0.8. Exact commands for each OS are on this page.

Is CVE-2026-18489 being exploited?

CVE-2026-18489 is not on the CISA Known Exploited Vulnerabilities list at the time of the last update. Check again, as this can change.

What does CVE-2026-18489 affect?

CVE-2026-18489 affects contextforge. Severity is high (CVSS 7.4). IBM ContextForge MCP Gateway - Translate utility <= 1.0.8 MCP Context Forge could allow a remote attacker to obtain sensitive information from other sessions due to exposure of data elements to the wrong session.

How urgent is CVE-2026-18489?

Priority 40/100. High severity; Remotely exploitable, no login, no user action

Related CVEs

CVE-2026-77825 MEDIUM 4.9 UPGRADE IBM ContextForge MCP Gateway 1.0.0 through 1.0.8 was vulnerable to path traversal in its Admin API log-downloa
CVE-2026-78573 CRITICAL 9.8 UPGRADE IBM ContextForge MCP Gateway 1.0.0 through 1.0.7 could allow a remote attacker to gain administrative access d
CVE-2026-18905 HIGH 7.7 UPGRADE IBM ContextForge MCP Gateway (`mcp-contextforge-gateway`) <= v1.0.6 MCP Context Forge could allow a remote aut
CVE-2026-77822 HIGH 8.2 UPGRADE IBM ContextForge MCP Gateway could allow a remote authenticated attacker to obtain sensitive information due t
CVE-2026-18486 HIGH 8.8 UPGRADE IBM ContextForge MCP Gateway <= v1.0.7 MCP Context Forge could allow a remote authenticated attacker to obtain

References

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