CVE-2026-48716 nanobot: Path traversal via unsanitized WhatsApp document fileName enables arbitrary file write

nanobot is a personal AI assistant. In versions 0.1.5.post3 and prior, the WhatsApp bridge in bridge/src/whatsapp.ts constructs a filesystem path using the fileName field from an incoming WhatsApp document message without sanitization. The WhatsApp bridge downloads media attachments and writes th...

CVE-2026-48716

CVE-2026-48716 involves nanobot prior to version 0.1.5.post4, where the WhatsApp bridge (bridge/src/whatsapp.ts) constructs a filesystem path from documentMessage.fileName without sanitization. The code concatenates a prefix with the raw fileName and passes it to path.join(mediaDir, outFilename),...

CVE-2026-49139

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-2026-49140

Nanobot prior to version 0.2.1 contains a denial of service vulnerability in the Matrix channel media download handler that allows authenticated room members to exhaust process memory and bandwidth by sending media events with missing or invalid size metadata. Attackers can send multiple concurre...

CVE-2026-49139

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-2026-49138

Nanobot prior to version 0.2.1 contains a server-side request forgery vulnerability in the webfetch tool that allows remote attackers to reach internal or private network hosts by supplying a URL that redirects to a loopback or private address via a 3xx Location header. Attackers can exploit the...

CVE-2026-49140 Nanobot < 0.2.1 Denial of Service via Matrix Media Download Handler

Nanobot prior to version 0.2.1 contains a denial of service vulnerability in the Matrix channel media download handler that allows authenticated room members to exhaust process memory and bandwidth by sending media events with missing or invalid size metadata. Attackers can send multiple concurre...

CVE-2026-49140

Nanobot prior to version 0.2.1 contains a denial of service vulnerability in the Matrix channel media download handler that allows authenticated room members to exhaust process memory and bandwidth by sending media events with missing or invalid size metadata. Attackers can send multiple concurre...

CVE-2026-49140 Nanobot < 0.2.1 Denial of Service via Matrix Media Download Handler

Nanobot prior to version 0.2.1 contains a denial of service vulnerability in the Matrix channel media download handler that allows authenticated room members to exhaust process memory and bandwidth by sending media events with missing or invalid size metadata. Attackers can send multiple concurre...

CVE-2026-49139

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...

EUVD-2026-33759

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...

CVE-2026-49139

Summary: Nanobot before 0.2.1 contains a server-side request forgery (SSRF) in the Microsoft Teams channel handler, enabling attackers to exfiltrate Bot Framework bearer tokens. By sending a forged inbound activity with an attacker-controlled serviceUrl, an adversary can poison the stored convers...

CVE-2026-49138

Nanobot prior to version 0.2.1 contains a server-side request forgery vulnerability in the webfetch tool that allows remote attackers to reach internal or private network hosts by supplying a URL that redirects to a loopback or private address via a 3xx Location header. Attackers can exploit the...

CVE-2026-49138 Nanobot < 0.2.1 SSRF via web_fetch Tool Redirect Following

Nanobot prior to version 0.2.1 contains a server-side request forgery vulnerability in the webfetch tool that allows remote attackers to reach internal or private network hosts by supplying a URL that redirects to a loopback or private address via a 3xx Location header. Attackers can exploit the...

CVE-2026-49138 Nanobot < 0.2.1 SSRF via web_fetch Tool Redirect Following

Nanobot prior to version 0.2.1 contains a server-side request forgery vulnerability in the webfetch tool that allows remote attackers to reach internal or private network hosts by supplying a URL that redirects to a loopback or private address via a 3xx Location header. Attackers can exploit the...

EUVD-2026-33757

Nanobot prior to version 0.2.1 contains a server-side request forgery vulnerability in the webfetch tool that allows remote attackers to reach internal or private network hosts by supplying a URL that redirects to a loopback or private address via a 3xx Location header. Attackers can exploit the...

CVE-2026-49138

Nanobot prior to version 0.2.1 contains a server-side request forgery (SSRF) in the web_fetch tool. An attacker can supply a URL that redirects to a loopback or private address via a 3xx Location header, taking advantage of the httpx library’s automatic redirect-follow behavior to bypass initial ...

nanobot 安全漏洞

Nanobot is a lightweight personal AI assistant open-source by Data Intelligence Lab@HKU. Versions of Nanobot prior to 0.2.1 contained a security vulnerability. This vulnerability stemmed from a denial-of-service issue in the media download processing routine of the Matrix channel. It could allow...