gemini-cli - 💡(How to fix) Fix Potential SSRF via unvalidated MCP server URLs [1 comments, 2 participants]

Official PRs (…)
ON THIS PAGE

Recommended Tools

×6

Utilities matched from this issue’s tags and category — try them while you read without losing context.

GitHub issue graph ai analysis

Paste a GitHub issue URL. We fetch that issue, discover linked issues from bodies/comments/timeline, collect linked pull requests, and produce a structured English report.

The report is written in English Markdown for sharing and archival.

Helpful · Quick feedback

Loading…
GitHub stats
google-gemini/gemini-cli#26785Fetched 2026-05-11 03:28:27
View on GitHub
Comments
1
Participants
2
Timeline
7
Reactions
0
Timeline (top)
labeled ×5commented ×1unlabeled ×1

Error Message

URLs should be validated, or the CLI should warn users when connecting to non-standard or internal IP addresses.

RAW_BUFFERClick to expand / collapse

What happened?

The MCP client makes network requests to URLs provided in configuration without validation against internal network ranges.

What did you expect to happen?

URLs should be validated, or the CLI should warn users when connecting to non-standard or internal IP addresses.

Client Information

<details> <summary>Client Information</summary>

OS: linux Date: Sunday, May 10, 2026 Gemini CLI: 0.42.0-nightly

</details>

Login information

Automated audit with Gemini CLI.

Anything else we need to know?

File: packages/core/src/tools/mcp-client.ts, Lines 1269, 1289. An attacker-controlled config could probe internal services via the CLI's network identity.

Severity: Medium Area: area/security

Vote matrix · Quick signals

Works
Did the solution work? Tap to confirm.
Easy Fix
Was it a quick fix?
Time Saver
Did it save you time?
Blocking
Was it severely blocking?
Common Issue
Are others likely hitting this too?
Flaky / Intermittent
Is it intermittent?
Verified / Reproducible
Can you reproduce it reliably?
Loading…

Still need to ship something?

×6

Another batch ranked right after the header list — different links, same matching logic.

Back to top recommendations

TRENDING

gemini-cli - 💡(How to fix) Fix Potential SSRF via unvalidated MCP server URLs [1 comments, 2 participants]