Vulnerability Intelligence Report
rclone before 1.74.4 Security Token Disclosure via HTTPS to HTTP Redirect
CVE-2026-79782
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.
No Active Exploit Signals
CVSS Base Score
9.3
CRITICAL
EPSS Probability:0.13%
Executive Threat Verdict
Evaluating...
Evaluating Threat Landscape...
Assessing known weaponization, exploitation telemetry, and federal advisories.
Attack Surface
—
Authentication
—
Weaponization
—
SSVC Action
—
Weaknesses (CWE)
CWE-319 ↗Cleartext Transmission of Sensitive Information
Affected Products & Versions
| Vendor | Product | Affected Versions |
|---|---|---|
| rclone | rclone | 0 < 1.74.4 (affected), 1.74.4 (unaffected) |
References & Technical Advisories
No reference links found.
Threat Intelligence Signals
EPSS Score
0.132%
GitHub Advisory
Identity & Timeline
| Status | PUBLISHED |
| Assigning Authority | VulnCheck · Bug Bounty Provider · USA |
| Reserved | 2026-08-25T14:32:37 |
| Published | 2026-08-25T15:16:11 |
| Patch Date | 2026-07-08 |
| Last Updated | 2026-08-28T22:26:44 |
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