Bug 2491786

Summary: CVE-2026-55767 roundcubemail: Guzzle: Cookie injection and session fixation due to improper domain validation [epel-all]
Product: [Fedora] Fedora EPEL Reporter: Keith Grant <kgrant>
Component: roundcubemailAssignee: Orphan Owner <extras-orphan>
Status: CLOSED ERRATA QA Contact: Fedora Extras Quality Assurance <extras-qa>
Severity: high Docs Contact:
Priority: high    
Version: epel10CC: anon.amish, extras-orphan, fedora, kevin, mhlavink, tm
Target Milestone: ---Keywords: Security, SecurityTracking
Target Release: ---   
Hardware: Unspecified   
OS: Unspecified   
Whiteboard: {"flaws": ["8a0338d6-f9d8-49fe-9dd5-c85ff86fd5d9"]}
Fixed In Version: roundcubemail-1.6.18-1.el10_2 roundcubemail-1.6.18-1.el10_3 Doc Type: ---
Doc Text:
Story Points: ---
Clone Of: Environment:
Last Closed: 2026-08-20 00:25:17 UTC Type: ---
Regression: --- Mount Type: ---
Documentation: --- CRM:
Verified Versions: Category: ---
oVirt Team: --- RHEL 7.3 requirements from Atomic Host:
Cloudforms Team: --- Target Upstream Version:
Embargoed:
Bug Depends On:    
Bug Blocks: 2491776    

Description Keith Grant 2026-06-23 16:16:40 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.

Comment 1 Fedora Update System 2026-08-11 04:21:01 UTC
FEDORA-EPEL-2026-4e7b9eeb2b (roundcubemail-1.6.18-1.el10_2) has been submitted as an update to Fedora EPEL 10.2.
https://bodhi.fedoraproject.org/updates/FEDORA-EPEL-2026-4e7b9eeb2b

Comment 2 Fedora Update System 2026-08-11 04:21:19 UTC
FEDORA-EPEL-2026-c09c342945 (roundcubemail-1.6.18-1.el10_3) has been submitted as an update to Fedora EPEL 10.3.
https://bodhi.fedoraproject.org/updates/FEDORA-EPEL-2026-c09c342945

Comment 3 Fedora Update System 2026-08-12 01:20:22 UTC
FEDORA-EPEL-2026-4e7b9eeb2b has been pushed to the Fedora EPEL 10.2 testing repository.

You can provide feedback for this update here: https://bodhi.fedoraproject.org/updates/FEDORA-EPEL-2026-4e7b9eeb2b

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

Comment 4 Fedora Update System 2026-08-12 01:26:18 UTC
FEDORA-EPEL-2026-c09c342945 has been pushed to the Fedora EPEL 10.3 testing repository.

You can provide feedback for this update here: https://bodhi.fedoraproject.org/updates/FEDORA-EPEL-2026-c09c342945

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

Comment 5 Fedora Update System 2026-08-20 00:25:17 UTC
FEDORA-EPEL-2026-4e7b9eeb2b (roundcubemail-1.6.18-1.el10_2) has been pushed to the Fedora EPEL 10.2 stable repository.
If problem still persists, please make note of it in this bug report.

Comment 6 Fedora Update System 2026-08-20 15:18:58 UTC
FEDORA-EPEL-2026-c09c342945 (roundcubemail-1.6.18-1.el10_3) has been pushed to the Fedora EPEL 10.3 stable repository.
If problem still persists, please make note of it in this bug report.