CVE-2026-49139 Nanobot < 0.2.1 SSRF via Microsoft Teams Channel serviceUrl Poisoning

Nanobot prior to version 0.2.1 contains a server-side request forgery vulnerability in the Microsoft Teams channel handler that allows remote attackers to exfiltrate Bot Framework bearer tokens by supplying a forged activity with an attacker-controlled serviceUrl value. Attackers can poison the...

CVE-2026-49139 Nanobot < 0.2.1 SSRF via Microsoft Teams Channel serviceUrl Poisoning

Nanobot prior to version 0.2.1 contains a server-side request forgery vulnerability in the Microsoft Teams channel handler that allows remote attackers to exfiltrate Bot Framework bearer tokens by supplying a forged activity with an attacker-controlled serviceUrl value. Attackers can poison the...