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Intelligence for Africa and the Gulf

AEGLIX vulnerability intelligence

CVE-2026-40189

CRITICAL · CVSS 9.3 · Analyzed

Published: 2026-04-10 · Updated: 2026-10-26 · Source: NVD

Stored catalog record

Source record retrieved 2026-10-28T10:18:49.513950+00:00. Scheduled imports handle updates; this page does not assert that the provider was queried just now.

Vulnerability overview

goshs is a SimpleHTTPServer written in Go. Prior to 2.0.0-beta.4, goshs enforces the documented per-folder .goshs ACL/basic-auth mechanism for directory listings and file reads, but it does not enforce the same authorization checks for state-changing routes. An unauthenticated attacker can upload files with PUT, upload files with multipart POST /upload, create directories with ?mkdir, and delete files with ?delete inside a .goshs-protected directory. By deleting the .goshs file itself, the attacker can remove the folder's auth policy and then access previously protected content without credentials. This results in a critical authorization bypass affecting confidentiality, integrity, and availability. This vulnerability is fixed in 2.0.0-beta.4.

Patch review priority

Critical technical severity

  • CVSS is at least 9.0; exploitation is not established by severity alone.

FIRST EPSS: 0.64% · percentile 50.6 · score date 2026-10-27.

EPSS estimates probability of exploitation in the next 30 days. It does not measure your exposure or prove exploitation. The elevated threshold is 10%; CISA KEV takes precedence. About FIRST EPSS ↗

Severity and scoring

CVSS score
9.3 · CRITICAL
CVSS version
4.0
CVSS vector
CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X
Weaknesses
CWE-862

CVSS measures technical severity; it does not establish whether this vulnerability is being exploited in your environment.

Known exploitation and remediation

Not listed in the CISA catalog retrieved for this record. This does not establish that exploitation has not occurred.

Verify affected versions and patch availability in the vendor advisory before making changes.

Affected products and versions

  • cpe:2.3:a:goshs:goshs:*:*:*:*:*:go:*:*

    Before (exclusive): 2.0.0

  • cpe:2.3:a:goshs:goshs:2.0.0:beta1:*:*:*:go:*:*

  • cpe:2.3:a:goshs:goshs:2.0.0:beta2:*:*:*:go:*:*

  • cpe:2.3:a:goshs:goshs:2.0.0:beta3:*:*:*:go:*:*

These are NVD CPE applicability entries. Some products depend on configuration conditions; consult the official record to confirm applicability.

Advisories and references

Explore official sources

Read the official NVD record ↗

Explore the CISA catalog ↗

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