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**Name of the Vulnerable Software and Affected Versions** vLLM versions prior to 0.17.1 **Description** Remote attackers can cause a Denial of Service through memory exhaustion. The `AsyncMediaIO.fetch audio()` and `AsyncMediaIO.fetch image()` functions in multimodal/inputs.py use aiohttp to fetch user-supplied media URLs and execute `r.read()` without enforcing a maximum response size. This allows an attacker to exhaust server memory by providing a URL to an arbitrarily large file. **Recommendations** Update vLLM to a version later than 0.17.0. As a temporary mitigation, restrict the use of the `AsyncMediaIO.fetch audio()` and `AsyncMediaIO.fetch image()` functions.

**Name of the Vulnerable Software and Affected Versions** Mattermost versions 10.11.0 through 10.11.18 Mattermost versions 11.5.0 through 11.5.6 Mattermost versions 11.6.0 through 11.6.3 **Description** The Mattermost Agents plugin MCP server fails to validate attachment URLs against internal or private IP ranges. This allows an attacker with access to the MCP server in stdio mode to perform server-side request forgery (SSRF), a technique where the server is tricked into making requests to an unintended location, and exfiltrate data from internal network services by providing internal URLs as file attachments in post creation requests. **Recommendations** Update Mattermost versions 10.11.0 through 10.11.18 to a version newer than 10.11.18. Update Mattermost versions 11.5.0 through 11.5.6 to a version newer than 11.5.6. Update Mattermost versions 11.6.0 through 11.6.3 to a version newer than 11.6.3.