How severe is CVE-2026-30834?

CVE-2026-30834 has a CVSS 3.x base score of 7.5, rated high severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity none, and availability none.

Is CVE-2026-30834 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (34th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2026-30834?

CVE-2026-30834 affects Pinchtab. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2026-30834?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.

Does CVE-2026-30834 have an EU (EUVD) identifier?

Yes. CVE-2026-30834 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2026-10167.

When was CVE-2026-30834 published?

CVE-2026-30834 was published on 2026-03-07 and last updated on 2026-06-17.

CVE-2026-30834

CVE-2026-30834 is a high-severity vulnerability in Pinchtab with a CVSS 3.x base score of 7.5. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-918.

Key facts

Severity: High (CVSS 3.x base score 7.5)
EPSS exploit prediction: 0% (34th percentile)
Actively exploited: Not listed in CISA KEV
EU (EUVD) id: EUVD-2026-10167
Weakness: CWE-918
Affected product: Pinchtab
Published: 2026-03-07
Last modified: 2026-06-17

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.

Frequently asked questions

What is CVE-2026-30834?: 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.
How severe is CVE-2026-30834?: CVE-2026-30834 has a CVSS 3.x base score of 7.5, rated high severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity none, and availability none.
Is CVE-2026-30834 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (34th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2026-30834?: CVE-2026-30834 affects Pinchtab. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2026-30834?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.
Does CVE-2026-30834 have an EU (EUVD) identifier?: Yes. CVE-2026-30834 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2026-10167.
When was CVE-2026-30834 published?: CVE-2026-30834 was published on 2026-03-07 and last updated on 2026-06-17.

References

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

Affected products (1)

cpe:2.3:a:pinchtab:pinchtab:*:*:*:*:*:*:*:*

More vulnerabilities in Pinchtab

CVE-2026-33622 — High (CVSS 8.8): PinchTab is a standalone HTTP server that gives AI agents direct control over a Chrome browser. PinchTab `v0.8.3`…
CVE-2026-33623 — Medium (CVSS 6.7): PinchTab is a standalone HTTP server that gives AI agents direct control over a Chrome browser. PinchTab `v0.8.4`…
CVE-2026-33081 — Medium (CVSS 5.8): PinchTab is a standalone HTTP server that gives AI agents direct control over a Chrome browser. Versions 0.8.2 and…
CVE-2026-33621 — Medium (CVSS 4.8): PinchTab is a standalone HTTP server that gives AI agents direct control over a Chrome browser. PinchTab `v0.7.7`…
CVE-2026-33620 — Medium (CVSS 4.3): PinchTab is a standalone HTTP server that gives AI agents direct control over a Chrome browser. PinchTab `v0.7.8`…
CVE-2026-33619 — Medium (CVSS 4.1): PinchTab is a standalone HTTP server that gives AI agents direct control over a Chrome browser. PinchTab v0.8.3…

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