Is there a public exploit for CVE-2026-110279?

No public exploit for CVE-2026-110279 was found in Exploit-DB, Metasploit, Nuclei templates or public proof-of-concept repositories. That is an absence of evidence rather than proof that none exists.

How severe is CVE-2026-110279?

CVE-2026-110279 scores CVSS 8.1 (v3.1), rated high.

What does CVE-2026-110279 affect?

CVE-2026-110279 affects IBM ContextForge MCP Gateway.

8.1 High

IBM ContextForge MCP Gateway 1.0.0 through 1.1.0 is vulnerable to improper credential handling because the X-Upstream-Authorization request…

CVE-2026-110279

IBM ContextForge MCP Gateway 1.0.0 through 1.1.0 is vulnerable to improper credential handling because the X-Upstream-Authorization request header can override the gateway-managed upstream credential for OAuth (authorizationcode and clientcredentials), bearer and basic authenticated gateways, which could allow an authenticated user to cause upstream requests to be made with a different credential and bypass per-user permission and audit attribution.

Assessment

CVSS: 8.1 (v3.1)
Severity: High
Known exploited: Not listed in CISA KEV
Exploit availability: Nothing found in Exploit-DB, Metasploit, Nuclei or public PoC repositories
Published: 13 November 2026
Last updated: 13 November 2026
Affected: IBM · ContextForge MCP Gateway
Assigner: ibm

CVSS vectorCVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:N

At the source

EUVD (ENISA)

References

https://www.ibm.com/support/pages/node/7296490

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