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High 8.2Published Sep 4, 2026
CVE-2026-77822IBM ContextForge MCP Gateway is affected by server-side request forgery (DNS rebinding) via the A2A agent invocation endpoint
Updated under an hour ago ()
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It affects IBM ContextForge MCP Gateway and 1 other product. Add what you run to find out whether that includes you.
No exploitation reported and no EPSS estimate yet.
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IBM ContextForge MCP Gateway could allow a remote authenticated attacker to obtain sensitive information due to server-side request forgery via DNS rebinding.
- CVSS
- 8.2 HIGH (v3.1, CNA)CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:C/C:H/I:H/A:N
- Weakness (CWE)
- CWE-918
- Known exploited
- Not in CISA's KEV catalog
- EPSS (exploitation in the next 30 days)
- Not loaded for this CVE
- Assigned by
- ibm
- NVD analysis
- Analyzed
- Record last updated
- Sep 4, 2026
- First seen by InfoSec Signals
- Oct 9, 2026
Affected products
IBM ContextForge MCP Gateway ibm:contextforge-mcp-gateway | through 1.0.8 | CNA record |
ibm contextforge ibm:contextforge | through 1.0.8 | NVD |
References
- https://www.ibm.com/support/pages/node/7286055vendor-advisory, patch
The CVE record on cve.org NVD's entry
The CVE record is authoritative. Products marked “from the name” were identified from the CNA's free-text names, not a CPE, and are matched less certainly. This product uses the NVD API but is not endorsed or certified by the NVD.