CVE-2026-126198: pgEdge Postgres MCP Server bypasses write confirmation for custom tools
pgEdge Postgres MCP Server
Versions of pgEdge Postgres MCP Server before 1.1.0 incorrectly determine write confirmation based solely on tool name, allowing custom tools to execute writes without user approval. The flaw is recorded as CVE‑2026‑126198 and no exploitation has been reported.
why this severityDisclosed vulnerability, no exploitation reported
disclosed CVENo confirmed exploitation, so this record is tracked as a disclosed vulnerability and not counted as an incident. It moves into the counts if CISA or the vendor confirms exploitation. Why
- CVSS
- 3.1
- EPSS
- <0.01 · top 84% · 2026-11-13
- fix status
- Patched
- affected
- pgEdge Postgres MCP Server < 1.1.0
- fixed in
- pgEdge Postgres MCP Server 1.1.0
- first report
- 12 Nov 2026
- last update
- 12 Nov 2026
- CVE ids
What to do
Upgrade pgEdge Postgres MCP Server to version 1.1.0 or later
Timeline · 1
Sources · 1
Advisories and databases
- 2026-11-12CVE-2026-126198: pgEdge Postgres MCP Server enables SQL queries against PostgreSQL databases through Model Context Protocol compatible clients.NVD · nvd.nist.gov/vuln/detail/CVE-2026-126198
Titles and links belong to their publishers. The summary above is written by gcdRadar in its own words; data is CC BY-SA 4.0.
Classification
- lane
- Patch now
- AI role
- Attack on AI
- categories
- Infrastructure vulnerability
- severity
- 2 · Disclosed vulnerability
- fix status
- Patched
- targets
- Framework / tooling
- owasp llm top 10
- LLM03:2025 Supply Chain
- mitre atlas
- no technique for these categories
- dates
- happened 12 Nov 2026 · first reported 12 Nov 2026
- origin
- NVDVulnerability record from NVD / the GitHub Advisory Database. This product uses the NVD API but is not endorsed or certified by the NVD.
- record
- confidence 0.95 · created 2026-11-12 18:42Z · updated 2026-11-12 18:42Z
Lane, AI role, categories and severity come from the classifier; the OWASP and ATLAS rows are derived from the categories. How these are assigned
Copy a brief
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the brief as text
# CVE-2026-126198: pgEdge Postgres MCP Server bypasses write confirmation for custom tools https://gcdradar.vercel.app/incidents/cve-2026-126198-pgedge-postgres-mcp-server-bypasses-write-co · AIR-2026-1937 · closed 2026-11-12 - Lane: Patch now - Severity: 2 (Disclosed vulnerability): Disclosed vulnerability, no exploitation reported - Fix status: Patched - First reported: 2026-11-12 - AI role: Attack on AI - Products: pgEdge Postgres MCP Server - CVE ids: CVE-2026-126198 - CVSS: 3.1 ## Summary Versions of pgEdge Postgres MCP Server before 1.1.0 incorrectly determine write confirmation based solely on tool name, allowing custom tools to execute writes without user approval. The flaw is recorded as CVE‑2026‑126198 and no exploitation has been reported. ## What to do Upgrade pgEdge Postgres MCP Server to version 1.1.0 or later ## Affected and fixed versions - Affected: pgEdge Postgres MCP Server < 1.1.0 - Fixed in: pgEdge Postgres MCP Server 1.1.0 ## Latest updates - 2026-11-12: CVE-2026-126198: pgEdge Postgres MCP Server enables SQL queries against PostgreSQL databases through Model Context Protocol compatible clients. (https://nvd.nist.gov/vuln/detail/CVE-2026-126198) ## Sources - 2026-11-12 NVD: CVE-2026-126198: pgEdge Postgres MCP Server enables SQL queries against PostgreSQL databases through Model Context Protocol compatible clients. https://nvd.nist.gov/vuln/detail/CVE-2026-126198 Verify against the vendor's advisory before changing production. Data CC BY-SA 4.0, https://gcdradar.vercel.app.
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AI