CVE-2026-45758: Guardrails AI supply chain compromise via PyPI release
Attack on AI2 Disclosed vulnerabilitySupply chain
An attacker published a malicious version of the guardrails-ai package to PyPI, which was quarantined shortly after. Telemetry shows no evidence of data exfiltration or active exploitation.
disclosed CVENo confirmed exploitation, so this record is tracked as a disclosed vulnerability and not counted as an incident. It moves into the counts if CISA or the vendor confirms exploitation. Why
Details
- type
- Attack on AIAn AI model, agent or AI-powered product was the thing exploited, abused or leaked.
- categories
- Supply chainMalicious or backdoored models, poisoned packages, unsafe deserialization and other compromised AI dependencies.
- Supply chain
- owasp llm top 10
- mitre atlas
- Both rows are derived from the type and categories (OWASP 2025 edition, ATLAS release 2026.09), not classified per record. How
- severity
- 2 · Disclosed vulnerabilityCVE or vendor advisory, patched or patchable, no confirmed exploitation.
- targets
- Framework / tooling
- products
- guardrails-ai
- incident date
- 11 May 2026
- first reported
- 19 May 2026
- origin
- GitHub Advisory DatabaseVulnerability record from NVD / the GitHub Advisory Database. This product uses the NVD API but is not endorsed or certified by the NVD.
- classifier confidence
- 0.95 · published at or above 0.80; see the methodology
- tags
- CVE-2026-45758 · guardrails-ai · pypi
- record
- created 2026-10-18 07:00Z · updated 2026-10-18 07:00Z · json
Sources · 1
- 2026-05-19CVE-2026-45758: Malicious code in guardrails-ai 0.10.1 (supply chain compromise)GitHub Advisory Database · github.com/advisories/GHSA-xmpw-2vmm-p4p6
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