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CVE-2026-34581

Goshs authentication bypass

8.1 HIGHPublic exploitEPSS 0.45%
  1. Published2 Apr 2026

Description

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. This issue has been patched in version 2.0.0-beta.2.

CVSS 3.1 breakdown

Attack vectorNetwork
Attack complexityLow
Privileges requiredNone
User interactionRequired
ScopeUnchanged
ConfidentialityHigh
IntegrityHigh
AvailabilityNone
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:N

Affected products

Goshs2.0.0 · ≥ 1.1.0 < 2.0.0

Remediation

Fixed in
Goshs≥ 2.0.0

References

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Frequently asked

Is CVE-2026-34581 being actively exploited?

CVE-2026-34581 is not in the CISA KEV catalog. A public exploit reference exists, so treat it as exploitable. Its EPSS exploit probability is 0.45%.

How severe is CVE-2026-34581?

CVE-2026-34581 has a CVSS 3.1 base score of 8.1, rated high. EPSS estimates a 0.45% probability of exploitation.

Which products are affected by CVE-2026-34581?

Affected products include Goshs.

How do I fix CVE-2026-34581?

Upgrade affected software to a fixed version, for example Goshs 2.0.0 or later, then confirm no affected versions remain in your inventory.

How Secuno handles this

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Data from the NVD, CISA KEV catalog and FIRST EPSS. CVSS 3.1 base score shown where available.