# CVE-2026-79782

## Summary

- **CVE ID:** CVE-2026-79782
- **Severity:** CRITICAL
- **CVSS Score:** 9.3 (CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N)
- **CWE:** CWE-319
- **Published:** Aug 25, 2026
- **Last Modified:** Aug 28, 2026

## Description

rclone before 1.74.4 fails to strip the X-Amz-Security-Token header when an S3 redirect changes scheme from HTTPS to HTTP on the same host. Attackers can intercept plaintext HTTP traffic to capture AWS STS session tokens sent in request headers.

## Affected Products

- rclone — rclone (0)
- rclone — rclone (1.74.4)

## References

- [CNA](https://github.com/rclone/rclone/security/advisories/GHSA-gx4c-2hqx-cw2r)
- [CNA](https://www.vulncheck.com/advisories/rclone-before-security-token-disclosure-via-https-to-http-redirect)

## Exploitation Prediction (EPSS)

- **EPSS Score:** 0.13%
- **EPSS Percentile:** 3.1

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_Exported from OnDuty AI Vulnerability Intelligence on 2026-09-10._