CVE-2026-4963
critical
CVSS v3
10.0
CVSS v4 NEW
2.1
VIR risk
10.0
Description
Hugging Face Smolagents has an Injection issue
Predictions
Exploit likelihood
98%
Patch ETA
—
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.
Package impact
| Ecosystem | Package | Vulnerable | Fixed |
|---|---|---|---|
| PyPI | smolagents | <=1.25.0.dev0 | |
| PIP | smolagents | <= 1.25.0.dev0 | |
Application impact
| Vendor | Product | Versions | Fixed |
|---|---|---|---|
| huggingface | smolagents | 1.25.0 | |
References
- https://nvd.nist.gov/vuln/detail/CVE-2026-4963
- https://gist.github.com/YLChen-007/35b7d46e892266a0ed6dbe57802858be
- https://gist.github.com/YLChen-007/7146f45960f79bc1e2976fed526e0a9b
- https://github.com/huggingface/smolagents
- https://vuldb.com/?ctiid.353840
- https://vuldb.com/?id.353840
- https://vuldb.com/?submit.777623
- https://vuldb.com/?submit.777643
- https://vuldb.com/?submit.777644
- https://github.com/advisories/GHSA-54fq-v6x8-244g
CWEs
CWE-74 CWE-94
Community-verified mitigations for this CVE will appear above when contributors publish them.
Verify integrity in audit chain (admin only). AS-IS.