CVE catalog
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 AW
- Severity
- Critical · CVSS 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/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X - Published
- Updated
- Source
- [NVD] · [CVE record]
- EPSS
- 0.13% · Oct 25, 2026
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.
Vulnerable and fixed packages
Distribution-reported package versions and fixes. These do not depend on matching against the OpenFactory package catalog.
| Distribution | Package | Release | Version | Status |
|---|---|---|---|---|
| Debian | rclone | sid | 1.75.2-2 | fixed |
| Debian | rclone | trixie | 1.60.1+dfsg-4 | vulnerable |
| Debian | rclone | bookworm | 1.60.1+dfsg-2 | vulnerable |
Fixed-version evidence
| Distribution | Package | Type | Release | Fixed version | Urgency | Origin | Bugs |
|---|---|---|---|---|---|---|---|
| Debian | rclone | source | sid | 1.75.2-1 | not yet assigned | Not reported | [1145670] |
| Debian | rclone | source | trixie | (unfixed) | not yet assigned | Not reported | [1145670] |
| Debian | rclone | source | bookworm | (unfixed) | not yet assigned | Not reported | [1145670] |
Notes
[trixie] rclone: Minor issue [bookworm] rclone: Limited support, minor issue
OpenFactory catalog packages
[Debian 12 (Bookworm)]
- [golang-github-rclone-rclone-dev]Affected
Source package: [rclone]
Details (2)
1.60.1+dfsg-2· all · bookwormAffected
nvd · rclone · debian · bookworm; nvd · rclone · debian · 12
1.60.1+dfsg-2· all · bookwormAffected
nvd · rclone · debian · bookworm; nvd · rclone · debian · 12
- [rclone]Affected
Source package: [rclone]
Details (2)
1.60.1+dfsg-2+b5· amd64 · bookwormAffected
nvd · rclone · debian · bookworm; nvd · rclone · debian · 12
1.60.1+dfsg-2+b5· arm64 · bookwormAffected
nvd · rclone · debian · bookworm; nvd · rclone · debian · 12
[Debian 13 (Trixie)]
- [golang-github-rclone-rclone-dev]Affected
Source package: [rclone]
Details (2)
1.60.1+dfsg-4· all · trixieAffected
nvd · rclone · debian · 13
1.60.1+dfsg-4· all · trixieAffected
nvd · rclone · debian · 13
- [rclone]Affected
Details (2)
1.60.1+dfsg-4· amd64 · trixieAffected
nvd · rclone · debian · 13
1.60.1+dfsg-4· arm64 · trixieAffected
nvd · rclone · debian · 13
Observed:
References
- [https://nvd.nist.gov/vuln/detail/CVE-2026-79782]
- [https://osv.dev/vulnerability/DEBIAN-CVE-2026-79782]
- [https://security-tracker.debian.org/tracker/CVE-2026-79782]
- [https://wid.cert-bund.de/.well-known/csaf/white/2026/wid-sec-w-2026-2266.json]
[CERT-Bund public advisories] · [Debian Security Tracker] · [FIRST EPSS] · [National Vulnerability Database (NVD)] · [OSV Package Vulnerability Database]