Skip to main content

freegpt-webui EUVDEUVD-2026-71749

| CVE-2026-85701 MEDIUM
Missing Authentication for Critical Function (CWE-306)
2026-09-04 VulDB GHSA-89vh-gg8p-p25q
5.5
CVSS 4.0 · Vendor: VulDB
Share

Severity by source

Vendor (VulDB) PRIMARY
5.5 MEDIUM
CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:L/VA:N/SC:N/SI:N/SA:N/E:P/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
vuln.today AI
5.3 MEDIUM

Unauthenticated network access with no privileges required; only low integrity impact from unauthorized AI invocation, no confidentiality or availability effect.

3.1 AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N
4.0 AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:L/VA:N/SC:N/SI:N/SA:N

Primary rating from Vendor (VulDB).

CVSS VectorVendor: VulDB

Attack Vector
Network
Attack Complexity
Low
Privileges Required
None
User Interaction
None
Scope
X

Lifecycle Timeline

3
CVSS changed
Sep 04, 2026 - 21:22 NVD
6.9 (MEDIUM) 5.5 (MEDIUM)
Analysis Generated
Sep 04, 2026 - 20:51 vuln.today
CVE Published
Sep 04, 2026 - 20:15 cve.org
MEDIUM 6.9

DescriptionCVE.org

A vulnerability has been found in ramon-victor freegpt-webui up to 098db3dfeb41555c2ca9269df0f13e10ec1c35dc. This issue affects the function ChatCompletion.create of the file g4f/__init__.py of the component Authentication Check. Such manipulation leads to missing authentication. The attack may be performed from remote. The exploit has been disclosed to the public and may be used. This product utilizes a rolling release system for continuous delivery, and as such, version information for affected or updated releases is not disclosed. This vulnerability only affects products that are no longer supported by the maintainer.

AnalysisAI

Missing authentication in freegpt-webui's ChatCompletion.create function (g4f/__init__.py, up to commit 098db3dfeb41555c2ca9269df0f13e10ec1c35dc) permits unauthenticated remote callers to invoke AI chat completion requests directly against the backend providers without credentials. A public proof-of-concept is available on GitHub. …

Unlock full vulnerability intelligence

  • Risk assessment & exploitation conditions
  • Attack chain visualization
  • Remediation with exact patch versions
  • Threat intelligence from 22 sources
  • Personal watchlist & email alerts

Free forever · No credit card required

Attack ChainAIDerived

Hypothetical attack flow derived from CVE metadata

Access
technique details hidden
Exploit
technique details hidden
Execution
technique details hidden
Impact
technique details hidden

Vulnerability AssessmentAI

Exploitation No special conditions are required beyond network reachability to the freegpt-webui HTTP interface - the ChatCompletion.create function accepts and processes requests from any remote caller without authentication (PR:N, AC:L). … Additional conditions and limiting factors are described in the full assessment.
Risk Assessment The CVSS 4.0 vector (AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:L/VA:N/E:P) scores 6.9, reflecting a low-complexity, unauthenticated, network-reachable exploit with only low integrity impact and no confidentiality or availability consequence. … Full risk analysis with EPSS, KEV, and SSVC signal comparison available after sign-in.
Exploit Scenario Full exploit scenario with step-by-step reproduction available after sign-in.
Remediation No vendor-released patch is available and none is expected, as the maintainer no longer supports freegpt-webui. … Detailed patch versions, workarounds, and compensating controls in full report.

Threat intelligence, references, and detailed analysis are available after sign-in.

Share

EUVD-2026-71749 vulnerability details – vuln.today

This site uses cookies essential for authentication and security. No tracking or analytics cookies are used. Privacy Policy