CVE-2026-9354 | BDVDB-2026-334656 Detail

Description#

A vulnerability was detected in NousResearch hermes-agent up to 2026.4.16. The affected element is an unknown function of the component Slack Agent/Mattermost Agent. The manipulation of the argument format_message results in escaping of output. The attack can be executed 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.

Impact#

Weaknesses#

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Exploit#

History#

1. Version 12026-05-24Record published in the CVE List.
2. Version 22026-05-27Most recent update recorded in the CVE List.