CVE-2026-30834 PinchTab: SSRF with Full Response Exfiltration via Download Handler
Attackers with API access can exploit SSRF in the download handler to access internal services and exfiltrate sensitive data from the PinchTab server.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- Available
What is CVE-2026-30834?
CVE-2026-30834 is a high-severity server-side request forgery vulnerability in pinchtab, published on 7 Mar 2026. An attacker can exploit it over the internet without logging in, with no action from the victim.
Official 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.
Weakness: CWE-918
Which versions are affected by CVE-2026-30834?
3 open source packages ship an affected version, including github.com/pinchtab/pinchtab/cmd/pinchtab and github.com/pinchtab/pinchtab. It affects 1 product.
| Package | Affected | Fixed in |
|---|---|---|
github.com/pinchtab/pinchtab/cmd/pinchtab Go | All versions | 0.7.7 |
github.com/pinchtab/pinchtab/cmd/pinchtab Go | All versions | 0.7.7 |
github.com/pinchtab/pinchtab Go | All versions | 0.7.7 |
Products include Pinchtab Pinchtab.
How do I fix CVE-2026-30834?
Upgrade github.com/pinchtab/pinchtab/cmd/pinchtab to 0.7.7 or later.
Upgrade, and send outbound requests through an allow-list that blocks internal addresses. More about Server-side request forgery.
Is CVE-2026-30834 being exploited?
It is not confirmed as exploited in the wild, but public exploit code for CVE-2026-30834 exists.
Other vulnerabilities in pinchtab
- CVE-2026-33623 PinchTab: OS Command Injection via Profile Name in Windows Cleanup Routine Enables Arbitrary Command Execution
- CVE-2026-33622 A PinchTab Security Policy Bypass in /wait Allows Arbitrary JavaScript Execution
- CVE-2026-33081 PinchTab has Blind SSRF via browser-side redirect bypass in /download URL validation
- CVE-2026-33621 PinchTab: Unapplied Rate Limiting Middleware Allows Unbounded Brute-Force of API Token
- CVE-2026-33620 PinchTab: API Bearer Token Exposed in URL Query Parameter via Server Logs and Intermediary Systems
Sources
Also known as GHSA-rw8p-c6hf-q3pg, GO-2026-4631.