6.5
MEDIUM CVSS 2.0
CVE-2026-5803
bigsk1 openai-realtime-ui API Proxy Endpoint server.js server-side request forgery
Description

A security flaw has been discovered in bigsk1 openai-realtime-ui up to 188ccde27fdf3d8fab8da81f3893468f53b2797c. The affected element is an unknown function of the file server.js of the component API Proxy Endpoint. Performing a manipulation of the argument Query results in server-side request forgery. The attack can be initiated remotely. The exploit has been released to the public and may be used for attacks. Continious delivery with rolling releases is used by this product. Therefore, no version details of affected nor updated releases are available. The patch is named 54f8f50f43af97c334a881af7b021e84b5b8310f. It is suggested to install a patch to address this issue.

INFO

Published Date :

April 8, 2026, 9:17 p.m.

Last Modified :

July 24, 2026, 9:10 a.m.

Remotely Exploit :

Yes !
Affected Products

The following products are affected by CVE-2026-5803 vulnerability. Even if cvefeed.io is aware of the exact versions of the products that are affected, the information is not represented in the table below.

No affected product recoded yet

CVSS Scores
The Common Vulnerability Scoring System is a standardized framework for assessing the severity of vulnerabilities in software and systems. We collect and displays CVSS scores from various sources for each CVE.
Score Version Severity Vector Exploitability Score Impact Score Source
CVSS 134c704f-9b21-4f2e-91b3-4a467353bcc0
CVSS 2.0 MEDIUM [email protected]
CVSS 3.1 MEDIUM [email protected]
CVSS 4.0 MEDIUM [email protected]
Solution
Install patch to fix server-side request forgery vulnerability in API Proxy Endpoint.
  • Apply the provided patch.
  • Review API proxy endpoint configurations.
  • Validate query argument sanitization.
  • Monitor for suspicious network requests.
CWE - Common Weakness Enumeration

While CVE identifies specific instances of vulnerabilities, CWE categorizes the common flaws or weaknesses that can lead to vulnerabilities. CVE-2026-5803 is associated with the following CWEs:

Common Attack Pattern Enumeration and Classification (CAPEC)

Common Attack Pattern Enumeration and Classification (CAPEC) stores attack patterns, which are descriptions of the common attributes and approaches employed by adversaries to exploit the CVE-2026-5803 weaknesses.

We scan GitHub repositories to detect new proof-of-concept exploits. Following list is a collection of public exploits and proof-of-concepts, which have been published on GitHub (sorted by the most recently updated).

Results are limited to the first 15 repositories due to potential performance issues.

The following list is the news that have been mention CVE-2026-5803 vulnerability anywhere in the article.

The following table lists the changes that have been made to the CVE-2026-5803 vulnerability over time.

Vulnerability history details can be useful for understanding the evolution of a vulnerability, and for identifying the most recent changes that may impact the vulnerability's severity, exploitability, or other characteristics.

  • CVE Translated by [email protected]

    Jul. 24, 2026

    Action Type Old Value New Value
    Added Translation Title: openai-realtime-ui de bigsk1, Description: Una falla de seguridad ha sido descubierta en bigsk1 openai-realtime-ui hasta 188ccde27fdf3d8fab8da81f3893468f53b2797c. El elemento afectado es una función desconocida del archivo server.js del componente API Proxy Endpoint. Realizar una manipulación del argumento Query resulta en falsificación de petición del lado del servidor. El ataque puede ser iniciado remotamente. El exploit ha sido liberado al público y puede ser usado para ataques. Entrega continua con lanzamientos continuos es utilizada por este producto. Por lo tanto, no hay detalles de versión de lanzamientos afectados ni actualizados disponibles. El parche se llama 54f8f50f43af97c334a881af7b021e84b5b8310f. Se sugiere instalar un parche para abordar este problema.
  • CVE Modified by [email protected]

    Jun. 17, 2026

    Action Type Old Value New Value
    Added Affected [{'vendor': 'bigsk1', 'modules': ['API Proxy Endpoint'], 'product': 'openai-realtime-ui', 'versions': [{'status': 'affected', 'version': '188ccde27fdf3d8fab8da81f3893468f53b2797c'}]}]
  • CVE Modified by 134c704f-9b21-4f2e-91b3-4a467353bcc0

    Jun. 17, 2026

    Action Type Old Value New Value
    Added SSVC {'id': 'CVE-2026-5803', 'role': 'CISA Coordinator', 'options': [{'exploitation': 'poc'}, {'automatable': 'no'}, {'technicalImpact': 'partial'}], 'version': '2.0.3', 'timestamp': '2026-04-09T13:51:17.043382Z'}
  • Data Remediation by [email protected]

    Apr. 29, 2026

    Action Type Old Value New Value
    Changed CVSS V4.0 Score 5.3 2.1
  • New CVE Received by [email protected]

    Apr. 08, 2026

    Action Type Old Value New Value
    Added Description A security flaw has been discovered in bigsk1 openai-realtime-ui up to 188ccde27fdf3d8fab8da81f3893468f53b2797c. The affected element is an unknown function of the file server.js of the component API Proxy Endpoint. Performing a manipulation of the argument Query results in server-side request forgery. The attack can be initiated remotely. The exploit has been released to the public and may be used for attacks. Continious delivery with rolling releases is used by this product. Therefore, no version details of affected nor updated releases are available. The patch is named 54f8f50f43af97c334a881af7b021e84b5b8310f. It is suggested to install a patch to address this issue.
    Added CVSS V4.0 AV:N/AC:L/AT:N/PR:L/UI:N/VC:L/VI:L/VA:L/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
    Added CVSS V3.1 AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:L
    Added CVSS V2 (AV:N/AC:L/Au:S/C:P/I:P/A:P)
    Added CWE CWE-918
    Added Reference https://github.com/bigsk1/openai-realtime-ui/
    Added Reference https://github.com/bigsk1/openai-realtime-ui/commit/54f8f50f43af97c334a881af7b021e84b5b8310f
    Added Reference https://github.com/bigsk1/openai-realtime-ui/issues/1
    Added Reference https://github.com/bigsk1/openai-realtime-ui/pull/2
    Added Reference https://github.com/BruceJqs/public_exp/issues/3
    Added Reference https://vuldb.com/submit/786984
    Added Reference https://vuldb.com/vuln/356242
    Added Reference https://vuldb.com/vuln/356242/cti
EPSS is a daily estimate of the probability of exploitation activity being observed over the next 30 days. Following chart shows the EPSS score history of the vulnerability.