CVE-2026-27167: Gradio Mocked OAuth Login Exposes Server Credentials
Attack on AI2 Disclosed vulnerabilityInfrastructure vulnerability
A vulnerability in Gradio allows unauthenticated remote attackers to trigger mocked OAuth flows and steal server-side access tokens using hardcoded session secrets. A patch has been released by the vendor.
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
- Infrastructure vulnerabilityCVEs and advisories in AI frameworks, inference servers, MCP servers, AI developer tools and hosting stacks.
- Infrastructure vulnerability
- owasp llm top 10
- mitre atlas
- no technique for these categoriesBoth 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
- Gradio
- incident date
- 1 Mar 2026
- first reported
- 27 Feb 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-2026-27167 · oauth · credential-theft · gradio
- record
- created 2026-10-18 07:00Z · updated 2026-10-18 10:04Z · json
Sources · 2
- 2026-02-27CVE-2026-27167: Gradio is an open-source Python package designed for quick prototyping.NVD · nvd.nist.gov/vuln/detail/CVE-2026-27167
- 2026-03-01CVE-2026-27167: Gradio: Mocked OAuth Login Exposes Server Credentials and Uses Hardcoded Session SecretGitHub Advisory Database · github.com/advisories/GHSA-h3h8-3v2v-rg7m
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