CVE-2026-82905: sdcb chats fetch-tools Endpoint McpController.cs McpController server-side request forgery

Severity: medium (CVSS 6.3 v3.1)
Exploited in the wild: not listed in CISA KEV
EPSS: 0.4% probability of exploitation in the next 30 days
Public exploit or detection template: none known
Published: 2026-08-31 · updated 2026-08-31
Weakness: CWE-918

Description

A vulnerability was detected in sdcb chats up to 1.12.0. This affects the function McpController of the file src/BE/web/Controllers/Users/Mcps/McpController.cs of the component fetch-tools Endpoint. The manipulation results in server-side request forgery. The attack may be launched remotely. The exploit is now public and may be used. The vendor was contacted early about this disclosure but did not respond in any way.

Affected products

sdcb chats: 1.0, 1.1, 1.2, 1.3, 1.4, 1.5 (+7)

References

https://github.com/yaowenxiao721/Poc/blob/main/sdcb-chats/chats-poc-1.md
https://vuldb.com/cve/CVE-2026-82905
https://vuldb.com/submit/877764
https://vuldb.com/vuln/397285
https://vuldb.com/vuln/397285/cti

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