CVE-2026-48545: Gradio cookie injection leads to cross-Space session fixation

# CVE-2026-48545: Gradio cookie injection leads to cross-Space session fixation

https://gcdradar.vercel.app/incidents/cve-2026-48545-gradio-cookie-injection-leads-to-cross-space · AIR-2026-0021 · closed 2026-05-27

- Lane: Patch now
- Severity: 2 (Disclosed vulnerability)
- Fix status: Fix status unknown
- First reported: 2026-05-27
- AI role: Attack on AI
- Products: Gradio
- CVE ids: CVE-2026-48545
- CVSS: 7.6

## Summary

Gradio before version 6.15.0 contains a cookie injection vulnerability exploiting a shared HTTP client across spaces. Attackers can return parent-domain cookies affecting other legitimate spaces on the same deployment.

## What to do

No action recorded; read the sources below and the vendor's advisory.

## Latest updates

- 2026-05-27: CVE-2026-48545: Gradio contains a cookie injection vulnerability (https://github.com/advisories/GHSA-7hp7-4p35-3cx2)
- 2026-05-27: CVE-2026-48545: Gradio before version 6.15.0 contains a cookie injection vulnerability that allows remote attackers to perform cross-Space… (https://nvd.nist.gov/vuln/detail/CVE-2026-48545)

## Sources

- 2026-05-27 NVD: CVE-2026-48545: Gradio before version 6.15.0 contains a cookie injection vulnerability that allows remote attackers to perform cross-Space… https://nvd.nist.gov/vuln/detail/CVE-2026-48545
- 2026-05-27 GitHub Advisory Database: CVE-2026-48545: Gradio contains a cookie injection vulnerability https://github.com/advisories/GHSA-7hp7-4p35-3cx2

Verify against the vendor's advisory before changing production. Data CC BY-SA 4.0, https://gcdradar.vercel.app.