CVE-2026-35471: goshs is a SimpleHTTPServer written in Go

Q: How do I fix CVE-2026-35471?

goshs: upgrade to 2.0.0. Exact commands for each OS are on this page.

Q: Is CVE-2026-35471 being exploited?

CVE-2026-35471 is not on the CISA Known Exploited Vulnerabilities list at the time of the last update. Check again, as this can change.

Q: What does CVE-2026-35471 affect?

CVE-2026-35471 affects goshs. Severity is critical (CVSS 9.8). goshs is a SimpleHTTPServer written in Go. Prior to 2.0.0-beta.3, tdeleteFile() missing return after path traversal check. This vulnerability is fixed in 2.0.0-beta.3.

Q: How urgent is CVE-2026-35471?

Priority 60/100. Critical severity; Public exploit reference; CISA SSVC: automatable with total technical impact; Remotely exploitable, no login, no user action

This week

CRITICAL 9.8REMOTEUPGRADE

CVE-2026-35471 is a critical-severity flaw (CVSS 9.8) affecting goshs. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

goshs is a SimpleHTTPServer written in Go. Prior to 2.0.0-beta.3, tdeleteFile() missing return after path traversal check. This vulnerability is fixed in 2.0.0-beta.3.

Why this priority

Critical severity
Public exploit reference
CISA SSVC: automatable with total technical impact
Remotely exploitable, no login, no user action

A fixed release or distro patch exists.

Risk facts

CVSS score	9.8 (Critical)
Attack vector	Network (remote)
Attack complexity	Low
Privileges needed	None
User interaction	None
EPSS exploit chance	0.7% (top 48%)
CISA exploited list	No
Weakness	CWE-22
Published	2026-04-06
Last modified	2026-07-24

Publisher (CNA): GitHub, Inc. · Vendor: goshs

Last updated 2026-07-24 · Sources: CVE Program, NVD, CISA KEV, EPSS and vendor advisories · How we score

Am I affected?

Timeline

2026-04-06 22:16 UTCPublished CVE record published
2026-07-24 21:10 UTCUpdated Record last modified

goshs goshs UPGRADE

Affected: < 2.0.0 · 2.0.0 beta1 · 2.0.0 beta2

Fixed in: 2.0.0

Safe to downgrade to: no unaffected older release

1. Check installed version

apt-cache policy goshs || rpm -q goshs || goshs --version

2. UPGRADE to 2.0.0 (Debian / Ubuntu)

sudo apt update && sudo apt install --only-upgrade goshs

2. UPGRADE (RHEL / Amazon Linux / Fedora)

sudo dnf upgrade goshs

Note

Distros often backport fixes without changing the version number. Confirm with the distro advisory or changelog.

Exact fixes by distribution

Go · github.com/patrickhener/goshs · FIXED · 1.1.5-0.20260401172448-237f3af891a9 · vulnerable: < 1.1.5-0.20260401172448-237f3af891a9 · source

go get github.com/patrickhener/goshs@v1.1.5-0.20260401172448-237f3af891a9 go list -m github.com/patrickhener/goshs

Fedora 46 · python-googleapis-common-protos · FIXED · 1.75.5-1.fc46~bootstrap · FEDORA-2026-d911c4c4e6 · source

sudo dnf upgrade --advisory=FEDORA-2026-d911c4c4e6

Fedora ELN · see advisory · FIXED · FEDORA-2026-e3987c278f · source

sudo dnf upgrade --advisory=FEDORA-2026-e3987c278f

Verify at the official source NVD · CVE Program · Report a problem with this page
Scores and fixes here are computed automatically from those and other public sources. Confirm with the vendor advisory before changing production systems.

Quick answers

How do I fix CVE-2026-35471?

goshs: upgrade to 2.0.0. Exact commands for each OS are on this page.

Is CVE-2026-35471 being exploited?

CVE-2026-35471 is not on the CISA Known Exploited Vulnerabilities list at the time of the last update. Check again, as this can change.

What does CVE-2026-35471 affect?

CVE-2026-35471 affects goshs. Severity is critical (CVSS 9.8). goshs is a SimpleHTTPServer written in Go. Prior to 2.0.0-beta.3, tdeleteFile() missing return after path traversal check. This vulnerability is fixed in 2.0.0-beta.3.

How urgent is CVE-2026-35471?

Priority 60/100. Critical severity; Public exploit reference; CISA SSVC: automatable with total technical impact; Remotely exploitable, no login, no user action

Related CVEs

CVE-2026-40189 CRITICAL 9.8 UPGRADE goshs is a SimpleHTTPServer written in Go
CVE-2026-40876 HIGH 8.8 UPGRADE goshs is a SimpleHTTPServer written in Go
CVE-2026-40884 CRITICAL 9.8 UPGRADE goshs is a SimpleHTTPServer written in Go
CVE-2026-40885 HIGH 8.8 DOWNGRADE goshs is a SimpleHTTPServer written in Go
CVE-2026-40903 CRITICAL 9.1 UPGRADE goshs is a SimpleHTTPServer written in Go

References

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