CVE-2026-33654 in HKUDS nanobot
Summary
nanobot is a personal AI assistant. Prior to version 0.1.6, an indirect prompt injection vulnerability exists in the email channel processing module (`nanobot/channels/email.py`), allowing a remote, unauthenticated attacker to execute arbitrary LLM instructions (and subsequently, system tools) without any interaction from the bot owner. By sending an email containing malicious prompts to the bot's monitored email address, the bot automatically polls, ingests, and processes the email content as highly trusted input, fully bypassing channel isolation and resulting in a stealthy, zero-click attack. Version 0.1.6 patches the issue.
Responsible
GitHub_M
Reservation
03/23/2026
Disclosure
03/27/2026
Entries
| ID | Vulnerability | CWE | Base | Temp | 0day | Today | Exp | KEV | EPSS | CTI | Cou | CVE |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 354026 | HKUDS nanobot Email Channel Handler email.py code injection | 94 | 7.3 | 7.0 | $0-$5k | $0-$5k | Not defined | 0.00095 | 0.16 | Official fix | CVE-2026-33654 |