Secuno
ENNL
Book demo

CVE-2026-40903

Goshs vulnerability

9.1 CRITICALEPSS 0.43%
  1. Published21 Apr 2026

Description

goshs is a SimpleHTTPServer written in Go. Prior to 2.0.0-beta.6, goshs has an ArtiPACKED vulnerability. ArtiPACKED can lead to leakage of the GITHUB_TOKEN through workflow artifacts, even though the token is not present in the repository source code. This vulnerability is fixed in 2.0.0-beta.6.

CVSS 3.1 breakdown

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

Affected products

Goshs2.0.0 · < 2.0.0

Remediation

Fixed in
Goshs≥ 2.0.0

References

Related CVEs

Recent high-severity vulnerabilities sharing a weakness type.

CVE-2026-1050809.9
In ConvertX before 0.19.0, converters/calibre.ts does not block recipe files, and…
CVE-2026-1040569.8
Authlib version 1.7.2 and below contains a vulnerability where discovery JSON metadata…
CVE-2026-861319.8
A code injection vulnerability in WatchGuard Fireware OS's BOVPN Over TLS client…
CVE-2026-541608.2
Network UPS Tools is a collection of programs which provide a common interface for…
CVE-2026-959858.8
The file write tool in Amazon Kiro IDE versions before 1.0.242 might allow remote…
CVE-2026-176478.8
IBM Financial Transaction Manager (FTM) for RedHat OpenShift could allow a local…

Frequently asked

Is CVE-2026-40903 being actively exploited?

CVE-2026-40903 is not in the CISA KEV catalog. Its EPSS exploit probability is 0.43%.

How severe is CVE-2026-40903?

CVE-2026-40903 has a CVSS 3.1 base score of 9.1, rated critical. EPSS estimates a 0.43% probability of exploitation.

Which products are affected by CVE-2026-40903?

Affected products include Goshs.

How do I fix CVE-2026-40903?

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

Secuno correlates vulnerabilities like CVE-2026-40903 against the real software inventory on every managed device, every day. Rather than a static severity, each match is scored in context: exploit availability, EPSS, the asset's exposure, and business criticality decide where it lands in the queue. If an affected version is present anywhere across your portfolio, it surfaces automatically with a prioritised remediation path.

See how prioritisation worksBook a demo

Get Patch this first every Monday

Five vulnerabilities that matter this week, ranked on real exploitation. Plain language, one email, no spam.

You can unsubscribe with one click from every issue. We handle your details as described in our privacy policy.

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