CVE-2026-79782rclone before 1.74.4 Security Token Disclosure via HTTPS to HTTP Redirect

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.

Data: CVE.org, NVD, CISA KEV, FIRST EPSS, Ubuntu. Published as the sources state it, in English.

Affected products and versions

References and patches

• GitHub Security Advisory (GHSA-gx4c-2hqx-cw2r) vendor-advisory
• VulnCheck Advisory: rclone before 1.74.4 Security Token Disclosure via HTTPS to HTTP Redirect third-party-advisory