What is GHSA-mwgh-564g-j9ww?

GHSA-mwgh-564g-j9ww is a security advisory published by GitHub Security Advisories with Critical severity. rclone before 1.74.4 fails to strip the X-Amz-Security-Token header when an S3 redirect changes...

Which CVE IDs does GHSA-mwgh-564g-j9ww cover?

GHSA-mwgh-564g-j9ww covers the following CVE IDs: CVE-2026-79782. Each CVE has its own detail page on EchelonGraph Pulse with the synthesized EG score.

What is the CVSS v3 score of GHSA-mwgh-564g-j9ww?

GHSA-mwgh-564g-j9ww has a CVSS v3 base score of 3.1, published by GitHub Security Advisories.

GHSA-mwgh-564g-j9wwCriticalCVSS 3.1

rclone before 1.74.4 fails to strip the X-Amz-Security-Token header when an S3 redirect changes...

Vendor

GitHub Security Advisories

Published

August 25, 2026

Last Modified

August 25, 2026

🔗 CVE IDs covered (1)

CVE-2026-79782 →

📋 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.

🔗 References (4)

https://github.com/rclone/rclone/security/advisories/GHSA-gx4c-2hqx-cw2r
https://nvd.nist.gov/vuln/detail/CVE-2026-79782
https://www.vulncheck.com/advisories/rclone-before-security-token-disclosure-via-https-to-http-redirect
https://github.com/advisories/GHSA-mwgh-564g-j9ww