Bytedesk up to 1.3.9 SpringAIOpenrouterRestController SpringAIOpenrouterRestService.java getModels apiUrl server-side request forgery

Summaryinfo

A vulnerability was found in Bytedesk up to 1.3.9. It has been rated as critical. Affected is the function getModels of the file source-code/src/main/java/com/bytedesk/ai/springai/providers/openrouter/SpringAIOpenrouterRestService.java of the component SpringAIOpenrouterRestController. Performing a manipulation of the argument apiUrl results in server-side request forgery. This vulnerability is known as CVE-2026-3788. Remote exploitation of the attack is possible. Furthermore, an exploit is available. Upgrading the affected component is advised.

Detailsinfo

A vulnerability was found in Bytedesk up to 1.3.9. It has been classified as critical. This affects the function getModels of the file source-code/src/main/java/com/bytedesk/ai/springai/providers/openrouter/SpringAIOpenrouterRestService.java of the component SpringAIOpenrouterRestController. The manipulation of the argument apiUrl with an unknown input leads to a server-side request forgery vulnerability. CWE is classifying the issue as CWE-918. The web server receives a URL or similar request from an upstream component and retrieves the contents of this URL, but it does not sufficiently ensure that the request is being sent to the expected destination. This is going to have an impact on confidentiality, integrity, and availability.

It is possible to read the advisory at github.com. This vulnerability is uniquely identified as CVE-2026-3788. The exploitability is told to be easy. It is possible to initiate the attack remotely. Technical details and a public exploit are known.

The exploit is shared for download at github.com. It is declared as proof-of-concept.

Upgrading to version 1.4.5.4 eliminates this vulnerability. The upgrade is hosted for download at github.com. Applying the patch 975e39e4dd527596987559f56c5f9f973f64eff7 is able to eliminate this problem. The bugfix is ready for download at github.com. The best possible mitigation is suggested to be upgrading to the latest version.

The vulnerability is also documented in the databases at CNNVD (CNNVD-202603-1571) and EUVD (EUVD-2026-10278). Statistical analysis made it clear that VulDB provides the best quality for vulnerability data.

Productinfo

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CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔒
VulDB Reliability: 🔍

CNA CVSS-B Score: 🔒
CNA CVSS-BT Score: 🔒
CNA Vector: 🔒

CVSSv3info

VulDB Meta Base Score: 7.1
VulDB Meta Temp Score: 6.9

VulDB Base Score: 6.3
VulDB Temp Score: 5.7
VulDB Vector: 🔒
VulDB Reliability: 🔍

NVD Base Score: 8.8
NVD Vector: 🔒

CNA Base Score: 6.3
CNA Vector: 🔒

CVSSv2info

AVACAuCIA
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VectorComplexityAuthenticationConfidentialityIntegrityAvailability
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VulDB Base Score: 🔒
VulDB Temp Score: 🔒
VulDB Reliability: 🔍

Exploitinginfo

Class: Server-side request forgery
CWE: CWE-918
CAPEC: 🔒
ATT&CK: 🔒

Physical: No
Local: No
Remote: Yes

Availability: 🔒
Access: Public
Status: Proof-of-Concept
Download: 🔒

EPSS Score: 🔒
EPSS Percentile: 🔒

Price Prediction: 🔍
Current Price Estimation: 🔒

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Threat Intelligenceinfo

Interest: 🔍
Active Actors: 🔍
Active APT Groups: 🔍

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

0-Day Time: 🔒

Upgrade: Bytedesk 1.4.5.4
Patch: 975e39e4dd527596987559f56c5f9f973f64eff7

Timelineinfo

03/08/2026 Advisory disclosed
03/08/2026 +0 days VulDB entry created
03/15/2026 +7 days VulDB entry last update

Sourcesinfo

Product: github.com

Advisory: 20
Status: Confirmed
Confirmation: 🔒

CVE: CVE-2026-3788 (🔒)
GCVE (CVE): GCVE-0-2026-3788
GCVE (VulDB): GCVE-100-349755
EUVD: 🔒
CNNVD: CNNVD-202603-1571 - Bytedesk 代码问题漏洞

scip Labs: https://www.scip.ch/en/?labs.20161013

Entryinfo

Created: 03/08/2026 08:25
Updated: 03/15/2026 18:17
Changes: 03/08/2026 08:25 (63), 03/09/2026 02:08 (1), 03/09/2026 02:30 (30), 03/10/2026 22:51 (6), 03/15/2026 18:17 (12)
Complete: 🔍
Submitter: ZAST.AI
Cache ID: 216::103

Submitinfo

Accepted

Statistical analysis made it clear that VulDB provides the best quality for vulnerability data.

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