CVE-2026-18905
CVE-2026-18905 is a high-severity vulnerability in Ibm Contextforge with a CVSS 3.x base score of 7.7. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-918.
Key facts
- Severity: High (CVSS 3.x base score 7.7)
- EPSS exploit prediction: 0% (27th percentile)
- Actively exploited: Not listed in CISA KEV
- Weakness: CWE-918
- Affected product: Ibm Contextforge
- Published:
- Last modified:
Description
IBM ContextForge MCP Gateway (`mcp-contextforge-gateway`) <= v1.0.6 MCP Context Forge could allow a remote authenticated attacker to obtain sensitive information due to a DNS rebinding vulnerability during tool invocation.
Frequently asked questions
- What is CVE-2026-18905?
- IBM ContextForge MCP Gateway (`mcp-contextforge-gateway`) <= v1.0.6 MCP Context Forge could allow a remote authenticated attacker to obtain sensitive information due to a DNS rebinding vulnerability during tool invocation.
- How severe is CVE-2026-18905?
- CVE-2026-18905 has a CVSS 3.x base score of 7.7, rated high severity. It is exploitable over network with low attack complexity, requires low privileges and no user interaction. Impact on confidentiality is high, integrity none, and availability none.
- Is CVE-2026-18905 being actively exploited?
- It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (27th percentile), an estimate of the probability of exploitation in the next 30 days.
- What products are affected by CVE-2026-18905?
- CVE-2026-18905 affects Ibm Contextforge. See the affected-products list for the exact vulnerable versions.
- How do I fix CVE-2026-18905?
- Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.
- When was CVE-2026-18905 published?
- CVE-2026-18905 was published on 2026-09-04 and last updated on 2026-09-15.
References
Affected products (1)
- cpe:2.3:a:ibm:contextforge:*:*:*:*:*:python:*:*
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