CVE-2026-90808
Description
A vulnerability was determined in HKUDS nanobot up to 0.2.1. Impacted is the function ExecTool._guard_command/ExecTool._spawn of the file nanobot/agent/tools/shell.py of the component ExecTool. This manipulation causes incomplete blacklist. It is possible to initiate the attack remotely. Patch name: af582246f141311d574551b7571a517bcc3df750. Applying a patch is the recommended action to fix this issue.
Predictions
Heuristic predictions, AS-IS, for prioritization only.
Mitigations
No mitigations published for this CVE yet.
The vendor-content worker queues fetches as references arrive (check back in a few minutes). Or — if you've already worked around this in production — publish your fix to the community-verified tier.
Propose a mitigation on Community Mitigations published via the community go through AI scoring + 2 human reviewers + 7-day silent objection window before landing here withsource_tier=community-verified.
References
- https://github.com/HKUDS/nanobot/
- https://github.com/HKUDS/nanobot/commit/af582246f141311d574551b7571a517bcc3df750
- https://github.com/HKUDS/nanobot/issues/5305
- https://github.com/HKUDS/nanobot/pull/5345
- https://vuldb.com/cve/CVE-2026-90808
- https://vuldb.com/submit/922849
- https://vuldb.com/vuln/403310
- https://vuldb.com/vuln/403310/cti
CWEs
CWE-183 CWE-184
Community-verified mitigations for this CVE will appear above when contributors publish them.
Verify integrity in audit chain (admin only). AS-IS.