Reference page — cumulative record through Sunday, October 4, 2026 UTC. Reference pages update as the archive grows; only dated daily editions are immutable pages of record.
CVE-2026-77822
IBM ContextForge MCP Gateway is affected by server-side request forgery (DNS rebinding) via the A2A agent invocation endpoint
AV AC PR UI S C I A CVSS EPSS %ile KEV
N L L N C H H N 9.6 .0037 28.6 —
AFFECTED
Product Versions Fixed
ContextForge MCP Gateway <= v1.0.8 – —
TIMELINE
Aug 21 Reserved by ibm
Sep 4 Published (CNA: ibm)
Sep 15 RESCORED — CVE-2026-77822 (IBM ContextForge MCP Gateway). CVSS 8.2 → 9.6 (NVD).
Description
IBM ContextForge MCP Gateway could allow a remote authenticated attacker to obtain sensitive information due to server-side request forgery via DNS rebinding.
Lifecycle
Complete event history — 3 events, chronological
| Date | Event | Detail |
|---|
| August 21, 2026 | Reserved | Reserved by ibm |
| September 4, 2026 | Published | Published (CNA: ibm) |
| September 15, 2026 | RESCORED | RESCORED — CVE-2026-77822 (IBM ContextForge MCP Gateway). CVSS 8.2 → 9.6 (NVD). |
Affected
Affected products and packages — 1 row
| Vendor | Product / Package | Ecosystem | Version introduced | Fixed |
|---|
| IBM | ContextForge MCP Gateway | — | <= v1.0.8 | — |
About this page
This is a reference page, not a dated page of record. It assembles the complete lifecycle of CVE-2026-77822 from the CVE Program record, NVD enrichment, the CISA KEV catalog, EPSS, and OSV advisories. The box score's numbers (CVSS, EPSS, KEV status) are current as of Sunday, October 4, 2026 UTC and are re-derived as the archive grows; only dated daily editions are immutable pages of record. The authoritative source for this identifier is cve.org.
