Bug 2539219 - CVE-2026-79780 rclone: rclone: Information disclosure via S3 redirect callbacks [fedora-all]
Summary: CVE-2026-79780 rclone: rclone: Information disclosure via S3 redirect callbac...
Keywords:
Status: CLOSED ERRATA
Alias: None
Product: Fedora
Classification: Fedora
Component: rclone
Version: rawhide
Hardware: Unspecified
OS: Unspecified
medium
medium
Target Milestone: ---
Assignee: Mikel Olasagasti Uranga
QA Contact: Fedora Extras Quality Assurance
URL:
Whiteboard: {"flaws": ["1e6101fc-3222-4eb8-a94e-1...
Depends On:
Blocks: CVE-2026-79780
TreeView+ depends on / blocked
 
Reported: 2026-09-23 08:50 UTC by Yadnyawalk Tale
Modified: 2026-10-31 18:36 UTC (History)
2 users (show)

Fixed In Version: rclone-1.75.2-1.fc44 rclone-1.75.2-1.fc45
Clone Of:
Environment:
Last Closed: 2026-10-21 01:04:06 UTC
Type: ---
Embargoed:


Attachments (Terms of Use)

Description Yadnyawalk Tale 2026-09-23 08:50:52 UTC
Disclaimer: Community trackers are created by Red Hat Product Security team on a best effort basis. Package maintainers are required to ascertain if the flaw indeed affects their package, before starting the update process.

rclone before v1.75.0 fails to sanitize IBM IAM bearer tokens and SSE-C encryption keys during S3 redirect callbacks, allowing credentials to be preserved across scheme or host changes. Attackers observing network traffic from a trusted endpoint can capture reusable IBM IAM tokens on same-host HTTPS-to-HTTP downgrades or SSE-C keys on cross-origin redirects to access protected S3 objects.

Comment 1 Fedora Update System 2026-10-11 09:37:41 UTC
FEDORA-2026-7aab7a2bbe (rclone-1.75.2-1.fc45) has been submitted as an update to Fedora 45.
https://bodhi.fedoraproject.org/updates/FEDORA-2026-7aab7a2bbe

Comment 2 Fedora Update System 2026-10-13 01:56:43 UTC
FEDORA-2026-7aab7a2bbe has been pushed to the Fedora 45 testing repository.
Soon you'll be able to install the update with the following command:
`sudo dnf upgrade --enablerepo=updates-testing --refresh --advisory=FEDORA-2026-7aab7a2bbe`
You can provide feedback for this update here: https://bodhi.fedoraproject.org/updates/FEDORA-2026-7aab7a2bbe

See also https://fedoraproject.org/wiki/QA:Updates_Testing for more information on how to test updates.

Comment 3 Fedora Update System 2026-10-13 02:31:14 UTC
FEDORA-2026-e27d24d18c has been pushed to the Fedora 44 testing repository.
Soon you'll be able to install the update with the following command:
`sudo dnf upgrade --enablerepo=updates-testing --refresh --advisory=FEDORA-2026-e27d24d18c`
You can provide feedback for this update here: https://bodhi.fedoraproject.org/updates/FEDORA-2026-e27d24d18c

See also https://fedoraproject.org/wiki/QA:Updates_Testing for more information on how to test updates.

Comment 4 Fedora Update System 2026-10-21 01:04:06 UTC
FEDORA-2026-e27d24d18c (rclone-1.75.2-1.fc44) has been pushed to the Fedora 44 stable repository.
If problem still persists, please make note of it in this bug report.

Comment 5 Fedora Update System 2026-10-31 18:36:31 UTC
FEDORA-2026-7aab7a2bbe (rclone-1.75.2-1.fc45) has been pushed to the Fedora 45 stable repository.
If problem still persists, please make note of it in this bug report.


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