Vulnary
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Critical· 9.8official fix available

CVE-2026-35471

goshs, a simple HTTP server written in Go, had a critical path traversal flaw that let attackers read or delete any file on the server. The bug was fixed in version 2.0.0‑beta.3.

publishedApr 6, 2026
last modifiedJul 24, 2026
sourcesNVD
severity · cvss
9.8
critical · how bad it is
exploitation · epss
<1%
49th percentile · chance of exploitation in 30 days
(ai-assisted) A model wrote this summary from the official data, so double-check it against the source before you act on it. Read the official advisory →
auto-deletes from the system
counting…on Aug 25, 2026

An official fix is available, so this entry is kept for 30 days and then removed automatically.

01

Who is affected

goshs SimpleHTTPServer, versions prior to 2.0.0‑beta.3.

02

Real-world impact

An attacker could read, modify, or delete arbitrary files on the host, potentially taking full control of the system.

03

Why this severity

The CVSS score of 9.8 reflects that the flaw is exploitable over the network with no authentication or user interaction, and it can compromise confidentiality, integrity, and availability of the entire system.

04

What to do about it

official fix available
recommended steps
  1. 011. Upgrade goshs to version 2.0.0‑beta.3 or later.
  2. 022. Restart the goshs service to apply the update.

NVD-referenced vendor advisory

05

Timeline

  1. Apr 6, 2026 · Apr 6, 2026
    Published
    Disclosed and added to the National Vulnerability Database.
  2. Jul 24, 2026 · 11d ago
    Advisory updated
    The NVD record was last revised.
  3. Jul 26, 2026 · 10d ago
    Official fix available
    A vendor patch or mitigation now exists — see the remediation steps above.
06

How it’s attacked

Attack vectorNetwork (remote)
Attack complexityLow
Privileges requiredNone
User interactionNone needed
ScopeUnchanged
Confidentiality impactHigh
Integrity impactHigh
Availability impactHigh
07

References & advisories

NVD advisory ↗Search advisories ↗
(ai-assisted) A model wrote this summary from the official data, so double-check it against the source before you act on it. Read the official advisory →