What is CVE-2026-34581?

CVE-2026-34581 is a high-severity vulnerability in Goshs, classified under Authentication Bypass Using an Alternate Path or Channel. CVSS score: 8.1/10. Published 2026-04-02.

How severe is CVE-2026-34581?

High severity. CVSS v3 base score is 8.1 out of 10.

Vulnerability in Goshs

CVE-2026-34581

goshs is a SimpleHTTPServer written in Go. From version 1.1.0 to before version 2.0.0-beta.2, when using the Share Token it is possible to bypass the limited selected file download with all the gosh functionalities, including code exec. Th…

EPSS: 0.004 (31.6th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 8.1 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:N.

Affected products

Goshs — versions 2.0.0
Patrickhener Goshs — versions >= 1.1.0, < 2.0.0-beta.2

Weakness classification (CWE)

CWE-288 — Authentication Bypass Using an Alternate Path or Channel

References

security-advisories@github.com (x_refsource_CONFIRM, Exploit, Vendor Advisory)
security-advisories@github.com (Patch, x_refsource_MISC)
security-advisories@github.com (Product, x_refsource_MISC, Release Notes)

Frequently asked questions

What is CVE-2026-34581?: CVE-2026-34581 is a high-severity vulnerability in Goshs, classified under Authentication Bypass Using an Alternate Path or Channel. CVSS score: 8.1/10. Published 2026-04-02.
How severe is CVE-2026-34581?: High severity. CVSS v3 base score is 8.1 out of 10.