CVE-2026-45804: Diffusers remote code execution vulnerability
diffusers
A TOCTOU trust vulnerability in the Hugging Face diffusers library allows attackers to bypass remote code execution guards during model loading. A security advisory has been issued with a patch available.
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
- CVSS
- 7.5
- EPSS
- <0.01 · top 69% · 2026-11-13
- fix status
- Fix status unknown
- first report
- 20 May 2026
- last update
- 20 May 2026
- CVE ids
Timeline · 1
Sources · 1
Advisories and databases
- 2026-05-20CVE-2026-45804: Diffusers: TOCTOU Trust Remote Code BypassGitHub Advisory Database · github.com/advisories/GHSA-7wx4-6vff-v64p
Titles and links belong to their publishers. The summary above is written by gcdRadar in its own words; data is CC BY-SA 4.0.
Classification
- lane
- Patch now
- AI role
- Attack on AI
- categories
- Infrastructure vulnerability
- severity
- 2 · Disclosed vulnerability
- fix status
- Fix status unknown
- targets
- Framework / tooling
- owasp llm top 10
- LLM03:2025 Supply Chain
- mitre atlas
- no technique for these categories
- dates
- happened 20 May 2026 · first reported 20 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.
- record
- confidence 0.95 · created 2026-10-18 07:00Z · updated 2026-10-18 07:00Z
Lane, AI role, categories and severity come from the classifier; the OWASP and ATLAS rows are derived from the categories. How these are assigned
Copy a brief
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the brief as text
# CVE-2026-45804: Diffusers remote code execution vulnerability https://gcdradar.vercel.app/incidents/cve-2026-45804-diffusers-remote-code-execution-vulnerability · AIR-2026-0712 · closed 2026-05-20 - Lane: Patch now - Severity: 2 (Disclosed vulnerability) - Fix status: Fix status unknown - First reported: 2026-05-20 - AI role: Attack on AI - Products: diffusers - CVE ids: CVE-2026-45804 - CVSS: 7.5 ## Summary A TOCTOU trust vulnerability in the Hugging Face diffusers library allows attackers to bypass remote code execution guards during model loading. A security advisory has been issued with a patch available. ## What to do No action recorded; read the sources below and the vendor's advisory. ## Latest updates - 2026-05-20: CVE-2026-45804: Diffusers: TOCTOU Trust Remote Code Bypass (https://github.com/advisories/GHSA-7wx4-6vff-v64p) ## Sources - 2026-05-20 GitHub Advisory Database: CVE-2026-45804: Diffusers: TOCTOU Trust Remote Code Bypass https://github.com/advisories/GHSA-7wx4-6vff-v64p Verify against the vendor's advisory before changing production. Data CC BY-SA 4.0, https://gcdradar.vercel.app.
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